Commit Graph

811 Commits

Author SHA1 Message Date
Shawn Lin 887758c325 soc: rockchip: disable jtag switching for RK3328 Soc
Disable IO function switching between sdmmc and jtag
for RK3328 Soc.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-07-16 17:08:12 +02:00
Linus Torvalds e854711291 ARM: SoC driver updates
- New SoC specific drivers
   - NVIDIA Tegra PM Domain support for newer SoCs (Tegra186 and later)
     based on the "BPMP" firmware
   - Clocksource and system controller drivers for the newly added
     Action Semi platforms (both arm and arm64).
 
 - Reset subsystem, merged through arm-soc by tradition:
   - New drivers for Altera Stratix10, TI Keystone and Cortina Gemini SoCs
   - Various subsystem-wide cleanups
 
 - Updates for existing SoC-specific drivers
   - TI GPMC (General Purpose Memory Controller)
   - Mediatek "scpsys" system controller support for MT6797
   - Broadcom "brcmstb_gisb" bus arbitrer
   - ARM SCPI firmware
   - Renesas "SYSC" system controller
 
 One more driver update was submitted for the Freescale/NXP DPAA
 data path acceleration that has previously been used on PowerPC
 chips. I ended up postponing the merge until some API questions
 for its unusual MMIO access are resolved.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "New SoC specific drivers:

   - NVIDIA Tegra PM Domain support for newer SoCs (Tegra186 and later)
     based on the "BPMP" firmware

   - Clocksource and system controller drivers for the newly added
     Action Semi platforms (both arm and arm64).

  Reset subsystem, merged through arm-soc by tradition:

   - New drivers for Altera Stratix10, TI Keystone and Cortina Gemini
     SoCs

   - Various subsystem-wide cleanups

  Updates for existing SoC-specific drivers

   - TI GPMC (General Purpose Memory Controller)

   - Mediatek "scpsys" system controller support for MT6797

   - Broadcom "brcmstb_gisb" bus arbitrer

   - ARM SCPI firmware

   - Renesas "SYSC" system controller

  One more driver update was submitted for the Freescale/NXP DPAA data
  path acceleration that has previously been used on PowerPC chips. I
  ended up postponing the merge until some API questions for its unusual
  MMIO access are resolved"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (35 commits)
  clocksource: owl: Add S900 support
  clocksource: Add Owl timer
  soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
  firmware: tegra: Fix locking bugs in BPMP
  soc/tegra: flowctrl: Fix error handling
  soc/tegra: bpmp: Implement generic PM domains
  soc/tegra: bpmp: Update ABI header
  PM / Domains: Allow overriding the ->xlate() callback
  soc: brcmstb: enable drivers for ARM64 and BMIPS
  soc: renesas: Rework Kconfig and Makefile logic
  reset: Add the TI SCI reset driver
  dt-bindings: reset: Add TI SCI reset binding
  reset: use kref for reference counting
  soc: qcom: smsm: Improve error handling, quiesce probe deferral
  cpufreq: scpi: use new scpi_ops functions to remove duplicate code
  firmware: arm_scpi: add support to populate OPPs and get transition latency
  dt-bindings: reset: Add reset manager offsets for Stratix10
  memory: omap-gpmc: add error message if bank-width property is absent
  memory: omap-gpmc: make dts snippet include semicolon
  reset: Add a Gemini reset controller
  ...
2017-07-04 14:47:47 -07:00
Arnd Bergmann ffe3744a59 Actions Semi SoC drivers for 4.13
This adds clock source and power domain drivers for S500/S900.
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Merge tag 'actions-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/drivers

Pull "Actions Semi SoC drivers for 4.13" from Andreas Färber:

This adds clock source and power domain drivers for S500/S900.

* tag 'actions-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
  clocksource: owl: Add S900 support
  clocksource: Add Owl timer
2017-06-29 17:34:57 +02:00
Arnd Bergmann c070d6ba25 Actions Semi ARM SoC for v4.13
This adds SMP code to bring up the remaining S500 CPU cores
 by reusing a helper factored out of the SPS power domains driver.
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Merge tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/soc

Pull "Actions Semi ARM SoC for v4.13 #2" from Andreas Färber:

This adds SMP code to bring up the remaining S500 CPU cores
by reusing a helper factored out of the SPS power domains driver.

* tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
2017-06-29 17:33:41 +02:00
Andreas Färber 6932ec60cc soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
Allow the SMP code to reuse PM domain code for CPU2/CPU3 wakeup.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2017-06-23 17:43:27 +02:00
Andreas Färber aa9f800ded soc: actions: Add Owl SPS
Implement S500 Smart Power System power-gating.
For now flag PD_CPU2 and PD_CPU3 as always-on.

Based on LeMaker linux-actions tree.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2017-06-23 17:42:54 +02:00
Arnd Bergmann 4312fc34f6 Qualcomm ARM Based Driver Updates for v4.13
* Improve QCOM SMSM error handling
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Merge tag 'qcom-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.13" from Andy Gross:

* Improve QCOM SMSM error handling

* tag 'qcom-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: smsm: Improve error handling, quiesce probe deferral
2017-06-23 13:45:19 +02:00
Olof Johansson 2f1b526e83 The i.MX drivers update for 4.13:
- Add CONFIG_HAVE_IMX_GPC to control the build of GPC driver, so that
    it doesn't build for platforms that do not have it.
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Merge tag 'imx-drivers-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

The i.MX drivers update for 4.13:
 - Add CONFIG_HAVE_IMX_GPC to control the build of GPC driver, so that
   it doesn't build for platforms that do not have it.

* tag 'imx-drivers-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: build gpc only if hardware has gpc

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 23:05:10 -07:00
Olof Johansson 5a55029f46 SoC for 4.13:
- New suspend/resume mode for sama5d2
  - Initial support for armv7m based SoCs
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Merge tag 'at91-ab-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/soc

SoC for 4.13:

 - New suspend/resume mode for sama5d2
 - Initial support for armv7m based SoCs

* tag 'at91-ab-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  ARM: at91: remove atmel_nand_data
  ARM: at91: fix at91_suspend_entering_slow_clock link error
  ARM: at91: debug: add samv7x support
  ARM: at91: add armv7m SoC detection
  ARM: at91: handle CONFIG_PM for armv7m configurations
  ARM: at91: Add armv7m support
  ARM: at91: Document armv7m compatibles
  ARM: at91: Documentation: add armv7m families
  ARM: at91: pm: fallback to slowclock when backup mode fails
  ARM: at91: pm: allow selecting standby and suspend modes
  ARM: at91: pm: Add sama5d2 backup mode

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 22:53:20 -07:00
Olof Johansson a32e6a353d Renesas ARM Based SoC R-Car SYSC Updates for v4.13
Use GENPD_FLAG_ALWAYS_ON in R-Car SYSC driver
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Merge tag 'renesas-rcar-sysc-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC R-Car SYSC Updates for v4.13

Use GENPD_FLAG_ALWAYS_ON in R-Car SYSC driver

* tag 'renesas-rcar-sysc-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 22:51:43 -07:00
Olof Johansson 8c5c250670 Renesas ARM Based SoC Drivers Updates for v4.13
* Rework Kconfig and Makefile logic
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Merge tag 'renesas-drivers-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC Drivers Updates for v4.13

* Rework Kconfig and Makefile logic

* tag 'renesas-drivers-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: Rework Kconfig and Makefile logic

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 22:45:08 -07:00
Olof Johansson f39b24e0b4 soc/tegra: Changes for v4.13-rc1
This contains an implementation of generic PM domains for Tegra186,
 based on the BPMP powergate request.
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Merge tag 'tegra-for-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Changes for v4.13-rc1

This contains an implementation of generic PM domains for Tegra186,
based on the BPMP powergate request.

* tag 'tegra-for-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: flowctrl: Fix error handling
  soc/tegra: bpmp: Implement generic PM domains
  soc/tegra: bpmp: Update ABI header
  PM / Domains: Allow overriding the ->xlate() callback

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 21:01:02 -07:00
Olof Johansson 8c2f8a2fb1 This pull request contains Broadcom ARM/ARM64 SoCs specific driver changes for
4.13, please pull the following:
 
 - Doug adds support for the latest generation GISB bus arbiter (v7), he starts by
   fixing two issues in how registers are written, and how 64-bit addresses are captured
   and then he simplifies the error interception by using notifiers, which allows him
   to add support for ARM64
 
 - Markus updates the SOC_BRCMSTB Kconfig depends to cover ARM64 and BMIPS_GENERIC
   systems where this code is now also used
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Merge tag 'arm-soc/for-4.13/drivers' of http://github.com/Broadcom/stblinux into next/drivers

This pull request contains Broadcom ARM/ARM64 SoCs specific driver changes for
4.13, please pull the following:

- Doug adds support for the latest generation GISB bus arbiter (v7), he starts by
  fixing two issues in how registers are written, and how 64-bit addresses are captured
  and then he simplifies the error interception by using notifiers, which allows him
  to add support for ARM64

- Markus updates the SOC_BRCMSTB Kconfig depends to cover ARM64 and BMIPS_GENERIC
  systems where this code is now also used

* tag 'arm-soc/for-4.13/drivers' of http://github.com/Broadcom/stblinux:
  soc: brcmstb: enable drivers for ARM64 and BMIPS
  bus: brcmstb_gisb: update to support new revision
  bus: brcmstb_gisb: enable driver for ARM64 architecture
  bus: brcmstb_gisb: remove low-level ARM hooks
  bus: brcmstb_gisb: add notifier handling
  bus: brcmstb_gisb: correct support for 64-bit address output
  bus: brcmstb_gisb: Use register offsets with writes too

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 20:30:52 -07:00
Olof Johansson 7a699a85e1 - enhance scpsys to support mt6797
- add mt6797 support to scpsys
 - fix error path in pmic-wrapper
 - fix possible NULL pointer dereference in pmic-wrapper
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Merge tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

- enhance scpsys to support mt6797
- add mt6797 support to scpsys
- fix error path in pmic-wrapper
- fix possible NULL pointer dereference in pmic-wrapper

* tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: PMIC wrap: Fix possible NULL derefrence.
  soc: mediatek: PMIC wrap: Fix error handling
  soc: mediatek: add MT6797 scpsys support
  soc: mediatek: add vdec item for scpsys
  soc: mediatek: avoid using fixed spm power status defines

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 19:35:48 -07:00
Geert Uytterhoeven 980532a5dd soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
Improve handling of always-on PM domains by using the
GENPD_FLAG_ALWAYS_ON flag introduced in commit ffaa42e8a4 ("PM /
Domains: Enable users of genpd to specify always on PM domains").

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-15 21:10:41 +02:00
Christophe Jaillet da1dbec1be soc/tegra: flowctrl: Fix error handling
It is likely that returning returned by 'devm_ioremap_resource()' is
expected here instead of something related to 'base' which should be a
valid pointer at this point.

Fixes: 841fd94c43 ("soc/tegra: flowctrl: Add basic platform driver")

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-06-13 16:47:44 +02:00
Thierry Reding e7149a7a3f soc/tegra: bpmp: Implement generic PM domains
The BPMP firmware, found on Tegra186 and later, provides an ABI that can
be used to enable and disable power to several power partitions in Tegra
SoCs. The ABI allows for enumeration of the available power partitions,
so the driver can be reused on future generations, provided the BPMP ABI
remains stable.

Based on work by Stefan Kristiansson <stefank@nvidia.com> and Mikko
Perttunen <mperttunen@nvidia.com>.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-06-13 15:23:29 +02:00
Markus Mayer 1f6ab20f55 soc: brcmstb: enable drivers for ARM64 and BMIPS
We enable the BRCMSTB SoC drivers not only for ARM, but also ARM64 and
BMIPS.

Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-06-12 10:25:16 -07:00
Geert Uytterhoeven 8be381a131 soc: renesas: Rework Kconfig and Makefile logic
The goals are to:
  - Allow precise control over and automatic selection of which
    (sub)drivers are used for which SoC,
  - Allow adding support for new SoCs easily,
  - Allow compile-testing of all (sub)drivers,
  - Keep driver selection logic in the subsystem-specific Kconfig,
    independent from the architecture-specific Kconfig (i.e. no "select"
    from arch/arm64/Kconfig.platforms), to avoid dependencies.

This is implemented by:
  - Introducing Kconfig symbols for all drivers and sub-drivers,
  - Introducing the Kconfig symbol SOC_RENESAS, which is enabled
    automatically when building for a Renesas ARM platform, and which
    enables all required drivers without interaction of the user, based
    on SoC-specific ARCH_* symbols,
  - Allowing the user to enable any Kconfig symbol manually if
    COMPILE_TEST is enabled,
  - Using the new Kconfig symbols instead of the ARCH_* symbols to
    control compilation in the Makefile,
  - Always entering drivers/soc/renesas/ during the build.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12 11:31:07 +02:00
Jonathan Neuschäfer 35dfa3efea soc: qcom: smsm: Improve error handling, quiesce probe deferral
Don't use size if info indicates an error condition. Previously a
non-ENOENT error (such as -EPROBE_DEFER) would lead to size being used
even though it hadn't necessarily been initialized in qcom_smem_get.

Don't print an error message in the -EPROBE_DEFER case.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-06-05 21:50:44 -05:00
Szemző András 82208e7568 ARM: at91: add armv7m SoC detection
Add SAME70/V71/S70/V70 chip-ids to SoC detection.

Signed-off-by: Szemző András <sza@esh.hu>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-06-02 10:11:49 +02:00
Linus Torvalds f538a82c07 ARM: SoC fixes (and a cross-arch dt-include fix)
We had a small batch of fixes before -rc1, but here is a larger one. It
 contains a backmerge of 4.12-rc1 since some of the downstream branches we
 merge had that as base; at the same time we already had merged contents
 before -rc1 and rebase wasn't the right solution.
 
 A mix of random smaller fixes and a few things worth pointing out:
 
  - We've started telling people to avoid cross-tree shared branches if all
    they're doing is picking up one or two DT-used constants from a
    shared include file, and instead to use the numeric values on first
    submission. Follow-up moving over to symbolic names are sent in right
    after -rc1, i.e. here. It's only a few minor patches of this type.
 
  - Linus Walleij and others are resurrecting the 'Gemini' platform, and
    wanted a cut-down platform-specific defconfig for it. So I picked that
    up for them.
 
  - Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it helps
    people to prepare patches since it's a pain when defconfig and current
    savedefconfig contents differs too much.
 
  - Devicetree additions for some pinctrl drivers for Armada that were
    merged this window. I'd have preferred to see those earlier but it's not
    a huge deail.
 
 The biggest change worth pointing out though since it's touching other
 parts of the tree: We added prefixes to be used when cross-including
 DT contents between arm64 and arm, allowing someone to #include
 <arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
 arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
 resulted in a recursive symlink.
 
 Instead, I've now moved it out of arch/*/boot/dts/include, into a shared
 location under scripts/dtc. While I was at it, I consolidated so all
 architectures now behave the same way in this manner.
 
 Rob Herring (DT maintainer) has acked it. I cc:d most other arch
 maintainers but nobody seems to care much; it doesn't really affect them
 since functionality is unchanged for them by default.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "We had a small batch of fixes before -rc1, but here is a larger one.
  It contains a backmerge of 4.12-rc1 since some of the downstream
  branches we merge had that as base; at the same time we already had
  merged contents before -rc1 and rebase wasn't the right solution.

  A mix of random smaller fixes and a few things worth pointing out:

   - We've started telling people to avoid cross-tree shared branches if
     all they're doing is picking up one or two DT-used constants from a
     shared include file, and instead to use the numeric values on first
     submission. Follow-up moving over to symbolic names are sent in
     right after -rc1, i.e. here. It's only a few minor patches of this
     type.

   - Linus Walleij and others are resurrecting the 'Gemini' platform,
     and wanted a cut-down platform-specific defconfig for it. So I
     picked that up for them.

   - Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it
     helps people to prepare patches since it's a pain when defconfig
     and current savedefconfig contents differs too much.

   - Devicetree additions for some pinctrl drivers for Armada that were
     merged this window. I'd have preferred to see those earlier but
     it's not a huge deail.

  The biggest change worth pointing out though since it's touching other
  parts of the tree: We added prefixes to be used when cross-including
  DT contents between arm64 and arm, allowing someone to #include
  <arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
  arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
  resulted in a recursive symlink.

  Instead, I've now moved it out of arch/*/boot/dts/include, into a
  shared location under scripts/dtc. While I was at it, I consolidated
  so all architectures now behave the same way in this manner.

  Rob Herring (DT maintainer) has acked it. I cc:d most other arch
  maintainers but nobody seems to care much; it doesn't really affect
  them since functionality is unchanged for them by default"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  arm64: dts: rockchip: fix include reference
  firmware: ti_sci: fix strncat length check
  ARM: remove duplicate 'const' annotations'
  arm64: defconfig: enable options needed for QCom DB410c board
  arm64: defconfig: sync with savedefconfig
  ARM: configs: add a gemini defconfig
  devicetree: Move include prefixes from arch to separate directory
  ARM: dts: dra7: Reduce cpu thermal shutdown temperature
  memory: omap-gpmc: Fix debug output for access width
  ARM: dts: LogicPD Torpedo: Fix camera pin mux
  ARM: dts: omap4: enable CEC pin for Pandaboard A4 and ES
  ARM: dts: gta04: fix polarity of clocks for mcbsp4
  ARM: dts: dra7: Add power hold and power controller properties to palmas
  soc: imx: add PM dependency for IMX7_PM_DOMAINS
  ARM: dts: imx6sx-sdb: Remove OPP override
  ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin
  soc: bcm: brcmstb: Correctly match 7435 SoC
  tee: add ARM_SMCCC dependency
  ARM: omap2+: make omap4_get_cpu1_ns_pa_addr declaration usable
  ARM64: dts: mediatek: configure some fixed mmc parameters
  ...
2017-05-19 13:36:56 -07:00
Olof Johansson 6a3538c174 i.MX fixes for 4.12:
- A fix on GPCv2 power domain driver Kconfig which causes a build
    failure when CONFIG_PM is not set.
  - Pull down PMIC IRQ pin for imx53-qsrb board to prevent spurious
    PMIC interrupts from happening.
  - Remove board level OPP override for imx6sx-sdb to fix a boot crash
    seen on Rev.C boards.
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Merge tag 'imx-fixes-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

i.MX fixes for 4.12:
 - A fix on GPCv2 power domain driver Kconfig which causes a build
   failure when CONFIG_PM is not set.
 - Pull down PMIC IRQ pin for imx53-qsrb board to prevent spurious
   PMIC interrupts from happening.
 - Remove board level OPP override for imx6sx-sdb to fix a boot crash
   seen on Rev.C boards.

* tag 'imx-fixes-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: add PM dependency for IMX7_PM_DOMAINS
  ARM: dts: imx6sx-sdb: Remove OPP override
  ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-05-19 00:02:04 -07:00
Linus Torvalds a95cfad947 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Track alignment in BPF verifier so that legitimate programs won't be
    rejected on !CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS architectures.

 2) Make tail calls work properly in arm64 BPF JIT, from Deniel
    Borkmann.

 3) Make the configuration and semantics Generic XDP make more sense and
    don't allow both generic XDP and a driver specific instance to be
    active at the same time. Also from Daniel.

 4) Don't crash on resume in xen-netfront, from Vitaly Kuznetsov.

 5) Fix use-after-free in VRF driver, from Gao Feng.

 6) Use netdev_alloc_skb_ip_align() to avoid unaligned IP headers in
    qca_spi driver, from Stefan Wahren.

 7) Always run cleanup routines in BPF samples when we get SIGTERM, from
    Andy Gospodarek.

 8) The mdio phy code should bring PHYs out of reset using the shared
    GPIO lines before invoking bus->reset(). From Florian Fainelli.

 9) Some USB descriptor access endian fixes in various drivers from
    Johan Hovold.

10) Handle PAUSE advertisements properly in mlx5 driver, from Gal
    Pressman.

11) Fix reversed test in mlx5e_setup_tc(), from Saeed Mahameed.

12) Cure netdev leak in AF_PACKET when using timestamping via control
    messages. From Douglas Caetano dos Santos.

13) netcp doesn't support HWTSTAMP_FILTER_ALl, reject it. From Miroslav
    Lichvar.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits)
  ldmvsw: stop the clean timer at beginning of remove
  ldmvsw: unregistering netdev before disable hardware
  net: netcp: fix check of requested timestamping filter
  ipv6: avoid dad-failures for addresses with NODAD
  qed: Fix uninitialized data in aRFS infrastructure
  mdio: mux: fix device_node_continue.cocci warnings
  net/packet: fix missing net_device reference release
  net/mlx4_core: Use min3 to select number of MSI-X vectors
  macvlan: Fix performance issues with vlan tagged packets
  net: stmmac: use correct pointer when printing normal descriptor ring
  net/mlx5: Use underlay QPN from the root name space
  net/mlx5e: IPoIB, Only support regular RQ for now
  net/mlx5e: Fix setup TC ndo
  net/mlx5e: Fix ethtool pause support and advertise reporting
  net/mlx5e: Use the correct pause values for ethtool advertising
  vmxnet3: ensure that adapter is in proper state during force_close
  sfc: revert changes to NIC revision numbers
  net: ch9200: add missing USB-descriptor endianness conversions
  net: irda: irda-usb: fix firmware name on big-endian hosts
  net: dsa: mv88e6xxx: add default case to switch
  ...
2017-05-15 15:50:49 -07:00
shailendra.v@samsung.com 58a823dd7b soc: mediatek: PMIC wrap: Fix possible NULL derefrence.
of_match_device could return NULL, and so can cause a NULL
pointer dereference later.

Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:25 +02:00
Christophe Jaillet f282693f80 soc: mediatek: PMIC wrap: Fix error handling
According to error handling in this function, it is likely that going to
'err_out2' was expected here.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:25 +02:00
Mars Cheng 36c310f55b soc: mediatek: add MT6797 scpsys support
This adds scpsys support for MT6797

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Kevin-CW Chen <kevin-cw.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:25 +02:00
Mars Cheng a3acbbf455 soc: mediatek: add vdec item for scpsys
for some chips, there is vdec item in scpsys, this patch adds it.

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:24 +02:00
Mars Cheng f1be4c4e6c soc: mediatek: avoid using fixed spm power status defines
Use variables to replace fixed defines since the offset
of the status of spm power might be different for some chips

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Kevin-CW Chen <kevin-cw.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:24 +02:00
Marc Ohlf c465a32fdd soc: imx: gpc: build gpc only if hardware has gpc
Add CONFIG_HAVE_IMX_GPC to goal definition of gpc.o,
to avoid building it for hardware that does not need it.

Signed-off-by: Marc Ohlf <ohlf@mkt-sys.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-05-15 10:22:25 +08:00
Arnd Bergmann e23c7f7d57 soc: imx: add PM dependency for IMX7_PM_DOMAINS
The new pm domain driver causes a build failure when CONFIG_PM
is not set:

warning: (IMX7_PM_DOMAINS) selects PM_GENERIC_DOMAINS which has unmet direct dependencies (PM)
drivers/base/power/domain_governor.c: In function 'default_suspend_ok':
drivers/base/power/domain_governor.c:75:17: error: 'struct dev_pm_info' has no member named 'ignore_children'

This adds a dependency to ensure that we don't attempt to build the
driver without CONFIG_PM.

Fixes: 03aa12629f ("soc: imx: Add GPCv2 power gating driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-05-15 09:33:22 +08:00
Florian Fainelli 31d848aa1d soc: bcm: brcmstb: Correctly match 7435 SoC
Remove the duplicate brcm,bcm7425-sun-top-ctrl compatible string and
replace it with brcm,bcm7435-sun-top-ctrl which was intended.

Fixes: bd0faf08dc ("soc: bcm: brcmstb: Match additional compatible strings")
Reported-by: Andreas Oberritter <obi@saftware.de>
Acked-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-05-13 20:27:33 -07:00
Linus Torvalds dc2a248166 powerpc updates for 4.12 part 2
Highlights include:
 
  - rework the Linux page table geometry to lower memory usage on 64-bit Book3S
    (IBM chips) using the Hash MMU.
 
  - support for a new device tree binding for discovering CPU features on future
    firmwares.
 
  - Freescale updates from Scott: "Includes a fix for a powerpc/next mm regression
    on 64e, a fix for a kernel hang on 64e when using a debugger inside a
    relocated kernel, a qman fix, and misc qe improvements."
 
 Thanks to:
   Christophe Leroy, Gavin Shan, Horia Geantă, LiuHailong, Nicholas Piggin, Roy
   Pledge, Scott Wood, Valentin Longchamp.
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Merge tag 'powerpc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc updates from Michael Ellerman:
 "The change to the Linux page table geometry was delayed for more
  testing with 16G pages, and there's the new CPU features stuff which
  just needed one more polish before going in. Plus a few changes from
  Scott which came in a bit late. And then various fixes, mostly minor.

  Summary highlights:

   - rework the Linux page table geometry to lower memory usage on
     64-bit Book3S (IBM chips) using the Hash MMU.

   - support for a new device tree binding for discovering CPU features
     on future firmwares.

   - Freescale updates from Scott:
      "Includes a fix for a powerpc/next mm regression on 64e, a fix for
       a kernel hang on 64e when using a debugger inside a relocated
       kernel, a qman fix, and misc qe improvements."

  Thanks to: Christophe Leroy, Gavin Shan, Horia Geantă, LiuHailong,
  Nicholas Piggin, Roy Pledge, Scott Wood, Valentin Longchamp"

* tag 'powerpc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: Support new device tree binding for discovering CPU features
  powerpc: Don't print cpu_spec->cpu_name if it's NULL
  of/fdt: introduce of_scan_flat_dt_subnodes and of_get_flat_dt_phandle
  powerpc/64s: Fix unnecessary machine check handler relocation branch
  powerpc/mm/book3s/64: Rework page table geometry for lower memory usage
  powerpc: Fix distclean with Makefile.postlink
  powerpc/64e: Don't place the stack beyond TASK_SIZE
  powerpc/powernv: Block PCI config access on BCM5718 during EEH recovery
  powerpc/8xx: Adding support of IRQ in MPC8xx GPIO
  soc/fsl/qbman: Disable IRQs for deferred QBMan work
  soc/fsl/qe: add EXPORT_SYMBOL for the 2 qe_tdm functions
  soc/fsl/qe: only apply QE_General4 workaround on affected SoCs
  soc/fsl/qe: round brg_freq to 1kHz granularity
  soc/fsl/qe: get rid of immrbar_virt_to_phys()
  net: ethernet: ucc_geth: fix MEM_PART_MURAM mode
  powerpc/64e: Fix hang when debugging programs with relocated kernel
2017-05-12 10:04:09 -07:00
Ivan Khoronzhuk 5b6cb43b4d net: ethernet: ti: netcp_core: return error while dma channel open issue
Fix error path while dma open channel issue. Also, no need to check output
on NULL if it's never returned.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:39:34 -04:00
Linus Torvalds 28b47809b2 IOMMU Updates for Linux v4.12
This includes:
 
 	* Some code optimizations for the Intel VT-d driver
 
 	* Code to switch off a previously enabled Intel IOMMU
 
 	* Support for 'struct iommu_device' for OMAP, Rockchip and
 	  Mediatek IOMMUs
 
 	* Some header optimizations for IOMMU core code headers and a
 	  few fixes that became necessary in other parts of the kernel
 	  because of that
 
 	* ACPI/IORT updates and fixes
 
 	* Some Exynos IOMMU optimizations
 
 	* Code updates for the IOMMU dma-api code to bring it closer to
 	  use per-cpu iova caches
 
 	* New command-line option to set default domain type allocated
 	  by the iommu core code
 
 	* Another command line option to allow the Intel IOMMU switched
 	  off in a tboot environment
 
 	* ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using
 	  an IDENTITY domain in conjunction with DMA ops, Support for
 	  SMR masking, Support for 16-bit ASIDs (was previously broken)
 
 	* Various other small fixes and improvements
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Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:

 - code optimizations for the Intel VT-d driver

 - ability to switch off a previously enabled Intel IOMMU

 - support for 'struct iommu_device' for OMAP, Rockchip and Mediatek
   IOMMUs

 - header optimizations for IOMMU core code headers and a few fixes that
   became necessary in other parts of the kernel because of that

 - ACPI/IORT updates and fixes

 - Exynos IOMMU optimizations

 - updates for the IOMMU dma-api code to bring it closer to use per-cpu
   iova caches

 - new command-line option to set default domain type allocated by the
   iommu core code

 - another command line option to allow the Intel IOMMU switched off in
   a tboot environment

 - ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using an
   IDENTITY domain in conjunction with DMA ops, Support for SMR masking,
   Support for 16-bit ASIDs (was previously broken)

 - various other small fixes and improvements

* tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (63 commits)
  soc/qbman: Move dma-mapping.h include to qman_priv.h
  soc/qbman: Fix implicit header dependency now causing build fails
  iommu: Remove trace-events include from iommu.h
  iommu: Remove pci.h include from trace/events/iommu.h
  arm: dma-mapping: Don't override dma_ops in arch_setup_dma_ops()
  ACPI/IORT: Fix CONFIG_IOMMU_API dependency
  iommu/vt-d: Don't print the failure message when booting non-kdump kernel
  iommu: Move report_iommu_fault() to iommu.c
  iommu: Include device.h in iommu.h
  x86, iommu/vt-d: Add an option to disable Intel IOMMU force on
  iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed
  iommu/arm-smmu: Correct sid to mask
  iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
  iommu: Make iommu_bus_notifier return NOTIFY_DONE rather than error code
  omap3isp: Remove iommu_group related code
  iommu/omap: Add iommu-group support
  iommu/omap: Make use of 'struct iommu_device'
  iommu/omap: Store iommu_dev pointer in arch_data
  iommu/omap: Move data structures to omap-iommu.h
  iommu/omap: Drop legacy-style device support
  ...
2017-05-09 15:15:47 -07:00
Linus Torvalds 0160e00ae8 ARM: SoC driver updates
Driver updates for ARM SoCs.
 
 * Reset subsystem, merged through arm-soc by tradition:
  - Make bool drivers explicitly non-modular
  - New support for i.MX7 and Arria10 reset controllers
 
 * PATA driver for Palmchip BK371 (acked by Tejun)
 
 * Power domain drivers for i.MX (GPC, GPCv2)
  - Moved out of mach-imx for GPC
  - Bunch of tweaks, fixes, etc
 
 * PMC support for Tegra186
 
 * SoC detection support for Renesas RZ/G1H and RZ/G1N
 
 * Move Tegra flow controller driver from mach directory to drivers/soc
  - (Power management / CPU power driver)
 
 * Misc smaller tweaks for other platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for ARM SoCs:

  Reset subsystem, merged through arm-soc by tradition:
   - Make bool drivers explicitly non-modular
   - New support for i.MX7 and Arria10 reset controllers

  PATA driver for Palmchip BK371 (acked by Tejun)

  Power domain drivers for i.MX (GPC, GPCv2)
   - Moved out of mach-imx for GPC
   - Bunch of tweaks, fixes, etc

  PMC support for Tegra186

  SoC detection support for Renesas RZ/G1H and RZ/G1N

  Move Tegra flow controller driver from mach directory to drivers/soc
   - (Power management / CPU power driver)

  Misc smaller tweaks for other platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  soc: pm-domain: Fix the mangled urls
  soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
  soc: renesas: rcar-sysc: Add support for fixing up power area tables
  soc: renesas: Register SoC device early
  soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
  dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
  soc: imx: gpc: add defines for domain index
  soc: imx: Add GPCv2 power gating driver
  dt-bindings: Add GPCv2 power gating driver
  ARM/clk: move the ICST library to drivers/clk
  ARM: plat-versatile: remove stale clock header
  ARM: keystone: Drop PM domain support for k2g
  soc: ti: Add ti_sci_pm_domains driver
  dt-bindings: Add TI SCI PM Domains
  PM / Domains: Do not check if simple providers have phandle cells
  PM / Domains: Add generic data pointer to genpd data struct
  soc/tegra: Add initial flowctrl support for Tegra132/210
  soc/tegra: flowctrl: Add basic platform driver
  soc/tegra: Move Tegra flowctrl driver
  ARM: tegra: Remove unnecessary inclusion of flowctrl header
  ...
2017-05-09 10:01:15 -07:00
Linus Torvalds 8d648aad05 ARM: SoC platform updates
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
 for a few platforms:
 
 * Gemini:
  - Legacy platform that Linus Walleij has converted to multiplatform
    and DT, so a handful of various tweaks there, removal of some old
    stale support, etc.
 
 * Atmel AT91:
  - Fixup of various power management related pieces
  - Move of SoC detection to a drivers/soc driver instead
 
 * ST Micro STM32:
  - New SoC support: STM32H743
 
 * TI platforms:
  - More driver support for Davinci (SATA in particular)
  - Removal of some old stale hwmod files (linkspace platform)
 
 * Misc:
  - A couple of smaller patches for i.MX, sunxi, hisi
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
  for a few platforms:

  Gemini:
   - Legacy platform that Linus Walleij has converted to multiplatform
     and DT, so a handful of various tweaks there, removal of some old
     stale support, etc.

  Atmel AT91:
   - Fixup of various power management related pieces
   - Move of SoC detection to a drivers/soc driver instead

  ST Micro STM32:
   - New SoC support: STM32H743

  TI platforms:
   - More driver support for Davinci (SATA in particular)
   - Removal of some old stale hwmod files (linkspace platform)

  Misc:
   - A couple of smaller patches for i.MX, sunxi, hisi"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
  ARM: davinci: Add clock for CPPI 4.1 DMA engine
  ARM: mxs: add support for I2SE Duckbill 2 boards
  MAINTAINERS: Update the Allwinner sunXi entry
  ARM: i.MX25: globally disable supervisor protect
  ARM: at91: move SoC detection to its own driver
  ARM: at91: pm: correct typo
  ARM: at91: pm: Remove at91_pm_set_standby
  ARM: at91: pm: Merge all at91sam9*_pm_init
  ARM: at91: pm: Tie the USB clock mask to the pmc
  ARM: at91: pm: Tie the memory controller type to the ramc id
  ARM: at91: pm: Workaround DDRSDRC self-refresh bug with LPDDR1 memories.
  ARM: at91: pm: Simplify at91rm9200_standby
  ARM: at91: pm: Use struct at91_pm_data in pm_suspend.S
  ARM: at91: pm: Move global variables into at91_pm_data
  ARM: at91: pm: Move at91_ramc_read/write to pm.c
  ARM: at91: pm: Cleanup headers
  MAINTAINERS: Add memory drivers to AT91 entry
  MAINTAINERS: Update AT91 entry
  ARM: davinci: add pata_bk3710 libata driver support
  ARM: OMAP2+: mark omap_init_rng as __init
  ...
2017-05-09 09:49:36 -07:00
Paul Gortmaker 290d638e04 soc/qbman: Move dma-mapping.h include to qman_priv.h
With the include there it fixes all build failures in this
directory caused by commit 461a6946b1.

Fixes: 461a6946b1 ("iommu: Remove pci.h include from trace/events/iommu.h")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-05-04 18:04:24 +02:00
Paul Gortmaker 4512c7bccb soc/qbman: Fix implicit header dependency now causing build fails
In commit 461a6946b1 ("iommu: Remove pci.h include from
trace/events/iommu.h") that header shuffle uncovered an implicit
include in this driver, manifesting as:

    CC      drivers/soc/fsl/qbman/qman_portal.o
    drivers/soc/fsl/qbman/qman_portal.c: In function 'qman_portal_probe':
    drivers/soc/fsl/qbman/qman_portal.c:299:2: error: implicit declaration of function 'dma_set_mask'
    drivers/soc/fsl/qbman/qman_portal.c:299:2: error: implicit declaration of function 'DMA_BIT_MASK'
        if (dma_set_mask(dev, DMA_BIT_MASK(40))) {
        ^

on the corenet32_smp_defconfig (and 64 bit respectively.)  The above
commit was singled out via git bisect.

The header it was implictly relying on getting was dma-mapping.h - so
we explicitly add it here.

Fixes: 461a6946b1 ("iommu: Remove pci.h include from trace/events/iommu.h")
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Scott Wood <oss@buserror.net>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-05-03 10:39:45 +02:00
Linus Torvalds 8d65b08deb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar:
 "Here are some highlights from the 2065 networking commits that
  happened this development cycle:

   1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)

   2) Add a generic XDP driver, so that anyone can test XDP even if they
      lack a networking device whose driver has explicit XDP support
      (me).

   3) Sparc64 now has an eBPF JIT too (me)

   4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
      Starovoitov)

   5) Make netfitler network namespace teardown less expensive (Florian
      Westphal)

   6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)

   7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)

   8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)

   9) Multiqueue support in stmmac driver (Joao Pinto)

  10) Remove TCP timewait recycling, it never really could possibly work
      well in the real world and timestamp randomization really zaps any
      hint of usability this feature had (Soheil Hassas Yeganeh)

  11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
      Aleksandrov)

  12) Add socket busy poll support to epoll (Sridhar Samudrala)

  13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
      and several others)

  14) IPSEC hw offload infrastructure (Steffen Klassert)"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
  tipc: refactor function tipc_sk_recv_stream()
  tipc: refactor function tipc_sk_recvmsg()
  net: thunderx: Optimize page recycling for XDP
  net: thunderx: Support for XDP header adjustment
  net: thunderx: Add support for XDP_TX
  net: thunderx: Add support for XDP_DROP
  net: thunderx: Add basic XDP support
  net: thunderx: Cleanup receive buffer allocation
  net: thunderx: Optimize CQE_TX handling
  net: thunderx: Optimize RBDR descriptor handling
  net: thunderx: Support for page recycling
  ipx: call ipxitf_put() in ioctl error path
  net: sched: add helpers to handle extended actions
  qed*: Fix issues in the ptp filter config implementation.
  qede: Fix concurrency issue in PTP Tx path processing.
  stmmac: Add support for SIMATIC IOT2000 platform
  net: hns: fix ethtool_get_strings overflow in hns driver
  tcp: fix wraparound issue in tcp_lp
  bpf, arm64: fix jit branch offset related to ldimm64
  bpf, arm64: implement jiting of BPF_XADD
  ...
2017-05-02 16:40:27 -07:00
Roy Pledge e21c7316d8 soc/fsl/qbman: Disable IRQs for deferred QBMan work
Work for Congestion State Notifications (CSCN) and Message Ring (MR)
handling is handled via the workqueue mechanism. This requires the
driver to disable those IRQs before scheduling the work and re-enabling
it once the work is completed so that the interrupt doesn't continually
fire.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 02:02:46 -05:00
Valentin Longchamp 4ba251626f soc/fsl/qe: add EXPORT_SYMBOL for the 2 qe_tdm functions
This allows to build the fsl_ucc_hdlc driver as a module.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:32:12 -05:00
Valentin Longchamp e5c5c8d23f soc/fsl/qe: only apply QE_General4 workaround on affected SoCs
The QE_General4 workaround is only valid for the MPC832x and MPC836x
SoCs. The other SoCs that embed a QUICC engine are not affected by this
hardware bug and thus can use the computed divisors (this was
successfully tested on the T1040).

Similalry to what was done in commit 8ce795cb0c ("i2c: mpc: assign the
correct prescaler from SVR") in order to avoid changes in
the device tree nodes of the QE (with maybe a variant of the compatible
property), the PVR reg is read out to find out if the workaround must be
applied or not.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:31:52 -05:00
Valentin Longchamp 2ccf80b756 soc/fsl/qe: round brg_freq to 1kHz granularity
Because of integer computation rounding in u-boot (that sets the QE
brg-frequency DTS prop), the clk value is 99999999 Hz even though it is
100 MHz.

When setting brg clks that are exact divisors of 100 MHz, this small
differnce plays a role and can result in lower clks to be output (for
instance 20 MHz - divide by 5 - results in 16.666 MHz - divide by 6).

This patch fixes that by "forcing" the brg_clk to the nearest kHz when
the difference is below 2 integer rounding errors (i.e. 4).

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:31:51 -05:00
Christophe Leroy b54ea82f01 soc/fsl/qe: get rid of immrbar_virt_to_phys()
immrbar_virt_to_phys() is not used anymore

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Li Yang <pku.leo@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:26:54 -05:00
Arnd Bergmann b6942b68f8 Merge branch 'for_4.12/soc-pmdomain-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers
Pull "Keystone mangled URLs fixed" from Santosh Shilimkar

* 'for_4.12/soc-pmdomain-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: pm-domain: Fix the mangled urls
2017-04-27 21:49:14 +02:00
Santosh Shilimkar 7574f67eb4 soc: pm-domain: Fix the mangled urls
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-04-24 14:17:35 -07:00
Olof Johansson d12523f14e Samsung SoC drivers update for v4.12 - split building of the PMU driver between
ARMv7 and ARMv8.
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Merge tag 'samsung-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Samsung SoC drivers update for v4.12 - split building of the PMU driver between
ARMv7 and ARMv8.

* tag 'samsung-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: Do not build ARMv7 PMU drivers on ARMv8

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:58:33 -07:00
Olof Johansson 32d8b52b90 Renesas ARM Based SoC Sysc Updates for v4.12
* Add support for R-Car H3 ES2.0
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Merge tag 'renesas-sysc-for-v4.12' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC Sysc Updates for v4.12

* Add support for R-Car H3 ES2.0

* tag 'renesas-sysc-for-v4.12' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
  soc: renesas: rcar-sysc: Add support for fixing up power area tables
  soc: renesas: Register SoC device early
  base: soc: Allow early registration of a single SoC device
  base: soc: Let soc_device_match() return no match when called too early

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:56:18 -07:00
Olof Johansson 63466c49cb ZTE driver updates for 4.12:
It includes a couple of small cleanups on zx296718 power domain drivers.
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Merge tag 'zte-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

ZTE driver updates for 4.12:

It includes a couple of small cleanups on zx296718 power domain drivers.

* tag 'zte-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: zte: pm_domains: Remove .owner field for driver
  soc: zte: pm_domains: Remove redundant dev_err call in zx2967_pd_probe()

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:41:21 -07:00
Olof Johansson 912c9fbe66 i.MX drivers updates for 4.12:
- A series from Lucas Stach which partly rewrites the imx gpc driver
    to support multiple power domains, and moves the related code from
    imx platform into drivers folder.
  - A series from Dong Aisheng which fixes the issues with Lucas' code
    changes and improves things.
  - Add workaround for i.MX6QP hardware erratum ERR009619 that is PRE
    clocks may be stalled during the power up sequencing of the PU power
    domain.
  - Add imx-gpcv2 driver to support power domains managed by GPCv2 IP
    block found on i.MX7 series of SoCs.
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Merge tag 'imx-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers updates for 4.12:
 - A series from Lucas Stach which partly rewrites the imx gpc driver
   to support multiple power domains, and moves the related code from
   imx platform into drivers folder.
 - A series from Dong Aisheng which fixes the issues with Lucas' code
   changes and improves things.
 - Add workaround for i.MX6QP hardware erratum ERR009619 that is PRE
   clocks may be stalled during the power up sequencing of the PU power
   domain.
 - Add imx-gpcv2 driver to support power domains managed by GPCv2 IP
   block found on i.MX7 series of SoCs.

* tag 'imx-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
  dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
  soc: imx: gpc: add defines for domain index
  soc: imx: Add GPCv2 power gating driver
  dt-bindings: Add GPCv2 power gating driver
  soc: imx: gpc: remove unnecessary readable_reg callback
  dt-bindings: imx-gpc: correct the DOMAIN_INDEX using
  soc: imx: gpc: keep PGC_X_CTRL name align with reference manual
  soc: imx: gpc: fix comment when power up domain
  soc: imx: gpc: fix imx6sl gpc power domain regression
  soc: imx: gpc: fix domain_index sanity check issue
  soc: imx: gpc: fix the wrong using of regmap cache
  soc: imx: gpc: fix gpc clk get error handling
  soc: imx: move PGC handling to a new GPC driver
  dt-bindings: add multidomain support to i.MX GPC DT binding

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:38:32 -07:00
Olof Johansson 55de807595 soc/tegra: Core SoC changes for v4.12-rc1
This contains PMC support for Tegra186 as well as a proper driver for
 the flow controller found on SoCs up to Tegra210. This also turns the
 fuse driver into an explicitly non-modular driver.
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Merge tag 'tegra-for-4.12-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Core SoC changes for v4.12-rc1

This contains PMC support for Tegra186 as well as a proper driver for
the flow controller found on SoCs up to Tegra210. This also turns the
fuse driver into an explicitly non-modular driver.

* tag 'tegra-for-4.12-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: Add initial flowctrl support for Tegra132/210
  soc/tegra: flowctrl: Add basic platform driver
  soc/tegra: Move Tegra flowctrl driver
  ARM: tegra: Remove unnecessary inclusion of flowctrl header
  soc: tegra: make fuse-tegra explicitly non-modular
  soc/tegra: Fix link errors with PMC disabled
  soc/tegra: Implement Tegra186 PMC support

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:16:25 -07:00
Olof Johansson fe8fee6901 ARM SOC PM domain support for 4.12
Dave Gerlach (5):
       PM / Domains: Add generic data pointer to genpd data struct
       PM / Domains: Do not check if simple providers have phandle cells
       dt-bindings: Add TI SCI PM Domains
       soc: ti: Add ti_sci_pm_domains driver
       ARM: keystone: Drop PM domain support for k2g
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Merge tag 'arm-soc-pmdomain' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

ARM SOC PM domain support for 4.12

Dave Gerlach (5):
      PM / Domains: Add generic data pointer to genpd data struct
      PM / Domains: Do not check if simple providers have phandle cells
      dt-bindings: Add TI SCI PM Domains
      soc: ti: Add ti_sci_pm_domains driver
      ARM: keystone: Drop PM domain support for k2g

* tag 'arm-soc-pmdomain' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  ARM: keystone: Drop PM domain support for k2g
  soc: ti: Add ti_sci_pm_domains driver
  dt-bindings: Add TI SCI PM Domains
  PM / Domains: Do not check if simple providers have phandle cells
  PM / Domains: Add generic data pointer to genpd data struct

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 05:58:02 -07:00
Geert Uytterhoeven fcb8708726 soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
Power area A2VC0 was removed in revision ES2.0, cfr. R-Car Gen3 Hardware
User's Manual rev. 0.53E.

Hence remove it from the power area table when not running on ES1.x.

This is in line with the goal to:
  1. Support both the ES1.x and ES2.0 SoC revisions in a single binary
     for now,
  2. Make it clear which code supports ES1.x, so it can easily be
     identified and removed later, when production SoCs are deemed
     ubiquitous.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-04-07 13:53:41 -04:00
Geert Uytterhoeven afa6f53df6 soc: renesas: rcar-sysc: Add support for fixing up power area tables
The same SoC may have different power areas, depending on SoC revision.
One option is to use different sets of power area tables for each SoC
revision.  However, if the differences are small, it is much more
space-efficient to have a single set of tables, and fix those up at
runtime instead.

Hence provide a helper to NULLify power areas that do not exist on some
revisions (NULLified power areas are skipped during the registration
phase), and support for an optional initialization callback to e.g. fix
up power area tables.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-04-07 13:53:40 -04:00
Geert Uytterhoeven b1d134ba9d soc: renesas: Register SoC device early
The r8a7795 SYSC driver manages PM Domains, and thus is initialized from
an early_initcall().  However, this means the driver cannot check the
SoC revision, as the SoC device hasn't been registered yet.

Change renesas_soc_init() from a core_initcall() to an early_initcall()
to fix this (renesas-soc.o is listed before rcar-sysc.o in the Makefile).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-04-07 13:53:39 -04:00
Lucas Stach 44c43c9821 soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
On i.MX6QP, due to hardware erratum ERR009619, the PRE clocks may be
stalled during the power up sequencing of the PU power domain. As this
may lead to a complete loss of display output, the recommended
workaround is to keep the PU domain enabled during normal system
operation.

Implement this by rejecting the domain power down request on the
affected SoC.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-04-07 20:47:34 +08:00
Lucas Stach 7c42af783a soc: imx: gpc: add defines for domain index
Makes referencing a specfic domain in the driver code
less error prone.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-04-07 20:47:24 +08:00
Andrey Smirnov 03aa12629f soc: imx: Add GPCv2 power gating driver
Add code allowing for control of various power domains managed by GPCv2
IP block found in i.MX7 series of SoCs. Power domains covered by this
patch are:

    - PCIE PHY
    - MIPI PHY
    - USB HSIC PHY
    - USB OTG1/2 PHY

Support for any other power domain controlled by GPC is not present, and
can be added at some later point.

Testing of this code was done against a PCIe driver.

Cc: yurovsky@gmail.com
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Dong Aisheng <dongas86@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-04-07 19:37:07 +08:00
Dave Gerlach 52835d59fc soc: ti: Add ti_sci_pm_domains driver
Introduce a ti_sci_pm_domains driver to act as a generic pm domain
provider to allow each device to attach and associate it's ti-sci-id so
that it can be controlled through the TI SCI protocol.

This driver implements a simple genpd where each device node has a
phandle to the power domain node and also must provide an index which
represents the ID to be passed with TI SCI representing the device using
a single phandle cell. The driver manually parses the phandle to get the
cell value. Through this interface the genpd dev_ops start and stop
hooks will use TI SCI to turn on and off each device as determined by
pm_runtime usage.

Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-04-04 08:59:27 -07:00
Jon Hunter 1fd09e5d88 soc/tegra: Add initial flowctrl support for Tegra132/210
Tegra132 and Tegra210 support the flowctrl module and so add initial
support for these devices.

Please note that Tegra186 does not support the flowctrl module, so
update the initialisation function such that we do not fall back and
attempt to map the 'hardcoded' address range for Tegra186. Furthermore
64-bit Tegra devices have always had the flowctrl node defined in their
device-tree and so only use the 'hardcoded' addresses for 32-bit Tegra
devices.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:52:31 +02:00
Jon Hunter 841fd94c43 soc/tegra: flowctrl: Add basic platform driver
Add a simple platform driver for the flowctrl module so that it gets
registered as a proper device.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:49:46 +02:00
Jon Hunter 7e10cf7436 soc/tegra: Move Tegra flowctrl driver
The flowctrl driver is required for both ARM and ARM64 Tegra devices
and in order to enable support for it for ARM64, move the Tegra flowctrl
driver into drivers/soc/tegra.

By moving the flowctrl driver, tegra_flowctrl_init() is now called by
via an early initcall and to prevent this function from attempting to
mapping IO space for a non-Tegra device, a test for 'soc_is_tegra()'
is also added.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:48:04 +02:00
Paul Gortmaker 1859217bec soc: tegra: make fuse-tegra explicitly non-modular
The Makefiles currently controlling compilation of this code is:

drivers/soc/tegra/Makefile:obj-y += fuse/
drivers/soc/tegra/fuse/Makefile:obj-y += fuse-tegra.o

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modularity so that when reading the
driver there is no doubt it is builtin-only.

Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.

Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:43:52 +02:00
Thierry Reding 5e7d4c6529 soc/tegra: Implement Tegra186 PMC support
The power management controller on Tegra186 has changed in backwards-
incompatible ways with respect to earlier generations. This implements a
new driver that supports inversion of the PMU interrupt as well as the
"recovery", "bootloader" and "forced-recovery" reboot commands.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:43:50 +02:00
Alexandre Belloni b32de9dd38 ARM: at91: move SoC detection to its own driver
To simplify machine init and as the soc_device struct is not used as the
parent for on-chip devices anymore, move SoC detection to its own driver.

Change in dmesg:
 - before:
DMA: preallocated 256 KiB pool for atomic coherent allocations
AT91: Detected SoC family: sama5d2
AT91: Detected SoC: sama5d27, revision 0
No ATAGs?
clocksource: tcb_clksrc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 184217874325 ns
at_xdmac f0010000.dma-controller: 16 channels, mapped at 0xe085b000
SCSI subsystem initialized

 - after:
DMA: preallocated 256 KiB pool for atomic coherent allocations
No ATAGs?
clocksource: tcb_clksrc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 184217874325 ns
at_xdmac f0010000.dma-controller: 16 channels, mapped at 0xe0859000
AT91: Detected SoC family: sama5d2
AT91: Detected SoC: sama5d27, revision 0
SCSI subsystem initialized

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-03-31 20:36:10 +02:00
Arnd Bergmann 3ed0b8a76a This pull request contains Broadcom ARM-based SoC drivers updates for 4.12,
please pull the following changes:
 
 - Florian updates the Broadcom STB GISB arbiter driver with a bunch of
   compatible strings for MIPS-based STBs found under arch/mips/boot/dts/brcm/ in
   order for the SoC identification driver to recognize these chips
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Merge tag 'arm-soc/for-4.12/drivers' of http://github.com/Broadcom/stblinux into next/drivers

Pull "Broadcom drivers changes for 4.12" from Florian Fainelli:

This pull request contains Broadcom ARM-based SoC drivers updates for 4.12,
please pull the following changes:

- Florian updates the Broadcom STB GISB arbiter driver with a bunch of
  compatible strings for MIPS-based STBs found under arch/mips/boot/dts/brcm/ in
  order for the SoC identification driver to recognize these chips

* tag 'arm-soc/for-4.12/drivers' of http://github.com/Broadcom/stblinux:
  soc: bcm: brcmstb: Match additional compatible strings
2017-03-31 10:56:59 +02:00
Bjorn Andersson 2b62425045 soc: qcom: smd-rpm: Add msm8996 compatibility
With the RPM driver transitioned to RPMSG we can reuse the SMD-RPM
driver ontop of GLINK for 8996, without any modifications.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:08 -07:00
Bjorn Andersson 395a48053a soc: qcom: smd: Remove standalone driver
Remove the standalone SMD implementation as we have transitioned the
client drivers to use the RPMSG based one.

Also remove all dependencies on QCOM_SMD from Kconfig files, in order to
keep them selectable in the absence of the removed symbol.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:07 -07:00
Bjorn Andersson 5052de8def soc: qcom: smd: Transition client drivers from smd to rpmsg
By moving these client drivers to use RPMSG instead of the direct SMD
API we can reuse them ontop of the newly added GLINK wire-protocol
support found in the 820 and 835 Qualcomm platforms.

As the new (RPMSG-based) and old SMD implementations are mutually
exclusive we have to change all client drivers in one commit, to make
sure we have a working system before and after this transition.

Acked-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:07 -07:00
Horia Geantă 8496272d81 soc/qman: export non-programmable FQD fields query
Export qman_query_fq_np() function and related structures.
This will be needed in the caam/qi driver, where "queue empty"
condition will be decided based on the frm_cnt.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 22:02:58 +08:00
Horia Geantă 329d09089c soc/qman: add dedicated channel ID for CAAM
Add and export the ID of the channel serviced by the
CAAM (Cryptographic Acceleration and Assurance Module) DCP.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 22:02:56 +08:00
Horia Geantă 1662e9319b soc/qman: export volatile dequeue related structs
Since qman_volatile_dequeue() is already exported, move the related
structures into the public header too.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 22:02:56 +08:00
Dong Aisheng bd01f064af soc: imx: gpc: remove unnecessary readable_reg callback
It is not really necessary to provide the current .readable_reg
implementation as we know what we're doing in our driver
and the regmap core has already done the partial check for
available maximum regs.

Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:43:21 +08:00
Dong Aisheng fbb0b4402a soc: imx: gpc: keep PGC_X_CTRL name align with reference manual
Instead of GPC_PGC_PDN_OFFS, naming it as GPC_PGC_CTRL_OFFS which is
defined in reference manual for better reading.

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:43:10 +08:00
Dong Aisheng 6e6e339cc1 soc: imx: gpc: fix comment when power up domain
The correct comment should be power up domain.

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:43:04 +08:00
Dong Aisheng 5a42d11989 soc: imx: gpc: fix imx6sl gpc power domain regression
Commit 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
broke the MX6SL GPC power domain support.
It always got the following error:
[    1.248364] imx-gpc 20dc000.gpc: could not find pgc DT node
This patch adds back the legecy support.

Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:42:07 +08:00
Dong Aisheng 15c3de4e18 soc: imx: gpc: fix domain_index sanity check issue
ARRAY_SIZE(imx_gpc_domains) represents all power domains supported
by different SoCs. Driver should use SoC specific of_id_data->num_domains
instead to do power domain index sanity check.
e.g. MX6Q supports two power domains while MX6SL supports three.

Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:42:01 +08:00
Dong Aisheng 3a317f5235 soc: imx: gpc: fix the wrong using of regmap cache
Without providing the proper reg_defaults, the regmap registers first
read out may be always 0 if enabling cache, which results in the
following issue we met.
e.g. During driver probe in imx6_pm_domain_power_on():
regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PUPSCR_OFFS, &val);
The PGC_PUPSCR register val is always 0 but it's actually 0xf01 in HW.

Since GPC registers are tightly related to CPU bring up and may be
changed in bootloader, we don't want to provide defaults.
And the cache really does not save too much for GPC module.

Therefore, simply disable cache to fix the issue and make life easy.

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:41:51 +08:00
Dong Aisheng 55b0baa254 soc: imx: gpc: fix gpc clk get error handling
We got a following kernel crash once supplying one more IPG
clock in GPC node in devicetree. The original error handling of
clocks get is a bit wrong that when reaching the maximum clock
get error, the index 'i' is already GPC_CLK_MAX which can't be used
as the array index for clk_put operations.

[    3.000110] imx-gpc 20dc000.gpc: more than 6 clocks
[    3.005141] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[    3.013487] pgd = c0004000
[    3.016300] [00000000] *pgd=00000000
[    3.020060] Internal error: Oops: 805 [] SMP ARM
[    3.024957] Modules linked in:
[    3.028122] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G        W       4.11.0-rc1-00056-g813791b-dirty 
[    3.037801] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[    3.044435] task: ef298000 task.stack: ef294000
[    3.049080] PC is at __clk_put+0x38/0xec
[    3.053103] LR is at 0x7f54ce9a
[    3.056345] pc : [<c0537984>]    lr : [<7f54ce9a>]    psr: 60000013
[    3.056345] sp : ef295d48  ip : c8a582b2  fp : ef295d64
[    3.068026] r10: ee9fc400  r9 : 00000000  r8 : ef398c10
[    3.073354] r7 : ef398c10  r6 : c1071264  r5 : c10710f0  r4 : eea5be80
[    3.079986] r3 : 00000000  r2 : 00000000  r1 : 00000100  r0 : 00000001
[    3.086621] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[    3.093863] Control: 10c5387d  Table: 1000404a  DAC: 00000051
[    3.099712] Process swapper/0 (pid: 1, stack limit = 0xef294210)
[    3.105823] Stack: (0xef295d48 to 0xef296000)
...
[    3.292660] Backtrace:
[    3.295222] [<c053794c>] (__clk_put) from [<c0531028>] (clk_put+0x18/0x1c)
[    3.302206]  r6:c1071264 r5:c10710f0 r4:c107124c r3:00000001
[    3.307977] [<c0531010>] (clk_put) from [<c0546ba0>] (imx_pgc_get_clocks+0x64/0x78)
[    3.315747] [<c0546b3c>] (imx_pgc_get_clocks) from [<c0547124>] (imx_gpc_probe+0x204/0x31c)
[    3.324209]  r7:00000000 r6:c1070eb0 r5:00000001 r4:ef398c00
[    3.329980] [<c0546f20>] (imx_gpc_probe) from [<c05e65f0>] (platform_drv_probe+0x5c/0xc0)
[    3.338270]  r10:c0f00608 r9:00000000 r8:00000000 r7:fffffdfb r6:c1070f20 r5:ef398c10
[    3.346207]  r4:ef398c10
[    3.348849] [<c05e6594>] (platform_drv_probe) from [<c05e4250>] (driver_probe_device+0x214/0x2ec)
[    3.357835]  r7:c1070f20 r6:00000000 r5:c18cea74 r4:ef398c10
[    3.363607] [<c05e403c>] (driver_probe_device) from [<c05e43ec>] (__driver_attach+0xc4/0xc8)
[    3.372159]  r9:c0f8b858 r8:c0f8b850 r7:00000000 r6:ef398c44 r5:c1070f20 r4:ef398c10
[    3.380017] [<c05e4328>] (__driver_attach) from [<c05e21fc>] (bus_for_each_dev+0x7c/0xb0)
[    3.388304]  r6:c05e4328 r5:c1070f20 r4:00000000 r3:00000000
[    3.394074] [<c05e2180>] (bus_for_each_dev) from [<c05e3bc4>] (driver_attach+0x28/0x30)
[    3.402188]  r6:c107f3e8 r5:eea5be00 r4:c1070f20
[    3.406913] [<c05e3b9c>] (driver_attach) from [<c05e3740>] (bus_add_driver+0x19c/0x224)
[    3.415034] [<c05e35a4>] (bus_add_driver) from [<c05e52fc>] (driver_register+0x88/0x108)
[    3.423235]  r7:c10e1000 r6:00000000 r5:c0f57d2c r4:c1070f20
[    3.429004] [<c05e5274>] (driver_register) from [<c05e6534>] (__platform_driver_register+0x40/0x54)
[    3.438160]  r5:c0f57d2c r4:00000006
[    3.441846] [<c05e64f4>] (__platform_driver_register) from [<c0f57d44>] (imx_gpc_driver_init+0x18/0x20)
[    3.451360] [<c0f57d2c>] (imx_gpc_driver_init) from [<c010200c>] (do_one_initcall+0x4c/0x180)
[    3.460008] [<c0101fc0>] (do_one_initcall) from [<c0f00e40>] (kernel_init_freeable+0x130/0x1f8)
[    3.468820]  r9:c0f8b858 r8:c0f8b850 r6:c0fc2414 r5:c10e1000 r4:00000006
[    3.475637] [<c0f00d10>] (kernel_init_freeable) from [<c0ae6aec>] (kernel_init+0x18/0x124)
[    3.484014]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0ae6ad4
[    3.491951]  r4:00000000
[    3.494590] [<c0ae6ad4>] (kernel_init) from [<c01088d0>] (ret_from_fork+0x14/0x24)
[    3.502267]  r4:00000000 r3:ef294000
[    3.505947] Code: e5943014 e5942018 e3530000 e3a01c01 (e5823000)
[    3.512215] ---[ end trace 375f9f2a5ddeff3c ]---
[    3.517036] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

Cc: Lucas Stach <l.stach@pengutronix.de>
Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:41:30 +08:00
Krzysztof Kozlowski a0ebf66267 soc: samsung: Do not build ARMv7 PMU drivers on ARMv8
The Exynos Power Management Unit (PMU) drivers contain quite large
static arrays of register values necessary for given Exynos SoC to enter
low power mode.  All this data is useless for ARMv8 SoC like
Exynos5433, because the image will not be shared between ARMv7 and
ARMv8.

Add additional Kconfig symbol for selecting the SoC-specific driver
addons thus skipping the useless data in the final image (this is
similar approach to chosen for Exynos clock controller drivers):
 - exynos-pmu driver will be compiled on both architectures ARMv7
   and ARMv8,
 - additional driver_data for ARMv7 SoCs will not be built on ARMv8
   and a macro will return NULL for them in of_device_id - this should
   be safe as these compatibles cannot match on ARMv7 and driver
   anyway handles NULL driver_data,
 - on ARMv8 compile only exynos-pmu driver which exposes the
   syscon-regmap for PMU address space.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
2017-03-21 19:03:39 +02:00
Geert Uytterhoeven cd59de80dd soc: renesas: Identify RZ/G1N
Add support for identifying the RZ/G1N (r8a7744) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-03-13 10:26:08 +01:00
Geert Uytterhoeven 8848e1b142 soc: renesas: Identify RZ/G1H
Add support for identifying the RZ/G1H (r8a7742) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-03-13 10:25:49 +01:00
Wei Yongjun 71ce843034 soc: zte: pm_domains: Remove .owner field for driver
Remove .owner field if calls are used which set it automatically.

Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-08 12:40:44 +01:00
Wei Yongjun e3a059c0ba soc: zte: pm_domains: Remove redundant dev_err call in zx2967_pd_probe()
There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-08 12:40:33 +01:00
Lucas Stach 721cabf6c6 soc: imx: move PGC handling to a new GPC driver
This is an almost complete re-write of the previous GPC power gating control
code found in the IMX architecture code. It supports both the old and the new
DT binding, allowing more domains to be added later and generally makes the
driver easier to extend, while keeping compatibility with existing DTBs.

As the result, all functionality regarding the power gating controller
gets removed from the IMX architecture GPC driver.  It keeps only the
IRQ controller code in the architecture, as this is closely coupled to
the CPU idle implementation.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-08 11:55:47 +01:00
Florian Fainelli bd0faf08dc soc: bcm: brcmstb: Match additional compatible strings
Match all known sun-top-ctrl compatible strings from our MIPS chips
counterparts. This allows us to properly report the SoC information to
user-space through our SoC driver.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-03-05 17:00:57 -08:00
Ingo Molnar 174cd4b1e5 sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>
Fix up affected files that include this signal functionality via sched.h.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:32 +01:00
Linus Torvalds b2e3c4319d ARM: SoC driver updates
Driver updates for ARM SoCs.
 
 A handful of driver changes this time around. The larger changes are:
 
  - Reset drivers for hi3660 and zx2967
  - AHCI driver for Davinci, acked by Tejun and brought in here due to
    platform dependencies
  - Cleanups of atmel-ebi (External Bus Interface)
  - Tweaks for Rockchip GRF (General Register File) usage (kitchensink misc
    register range on the SoCs)
  - PM domains changes for support of two new ZTE SoCs (zx296718 and zx2967)
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs.

  A handful of driver changes this time around. The larger changes are:

   - Reset drivers for hi3660 and zx2967

   - AHCI driver for Davinci, acked by Tejun and brought in here due to
     platform dependencies

   - Cleanups of atmel-ebi (External Bus Interface)

   - Tweaks for Rockchip GRF (General Register File) usage (kitchensink
     misc register range on the SoCs)

   - PM domains changes for support of two new ZTE SoCs (zx296718 and
     zx2967)"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  soc: samsung: pmu: Add register defines for pad retention control
  reset: make zx2967 explicitly non-modular
  reset: core: fix reset_control_put
  soc: samsung: pm_domains: Read domain name from the new label property
  soc: samsung: pm_domains: Remove message about failed memory allocation
  soc: samsung: pm_domains: Remove unused name field
  soc: samsung: pm_domains: Use full names in subdomains registration log
  sata: ahci-da850: un-hardcode the MPY bits
  sata: ahci-da850: add a workaround for controller instability
  sata: ahci: export ahci_do_hardreset() locally
  sata: ahci-da850: implement a workaround for the softreset quirk
  sata: ahci-da850: add device tree match table
  sata: ahci-da850: get the sata clock using a connection id
  soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
  memory: atmel-ebi: Enable the SMC clock if specified
  soc: samsung: pmu: Remove unused and duplicated defines
  memory: atmel-ebi: Properly handle multiple reference to the same CS
  memory: atmel-ebi: Fix the test to enable generic SMC logic
  soc: samsung: pm_domains: Add new Exynos5433 compatible
  soc: samsung: pmu: Add dummy support for Exynos5433 SoC
  ...
2017-02-23 15:57:04 -08:00
Linus Torvalds 6ae52c65e0 ARM: SoC platform updates
In the SoC branch we normally collect classic arch/arm/mach-* contents, i.e.
 C code changes for SoC platforms. This release cycle the diffstat is quite
 nice, in that we're removing 3x the amount of code that's being added.
 
 The main reason for this is that there's a removal of camera drivers for
 Freescale i.MX chips (driver was removed so the device registration isn't
 needed any more). There's also removal of display initialization code for OMAP
 that is no longer needed.
 
 The rest are mostly minor tweaks and cleanups; constification on Samsung
 platforms, cleanup of ux500 platform data, purge of other unused platform
 data/device seutp on i.MX and other good stuff.
 
 New SoC support this cycle is for two Allwinner platforms, H2+ and V3s.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "In the SoC branch we normally collect classic arch/arm/mach-*
  contents, i.e. C code changes for SoC platforms. This release cycle
  the diffstat is quite nice, in that we're removing 3x the amount of
  code that's being added.

  The main reason for this is that there's a removal of camera drivers
  for Freescale i.MX chips (driver was removed so the device
  registration isn't needed any more). There's also removal of display
  initialization code for OMAP that is no longer needed.

  The rest are mostly minor tweaks and cleanups; constification on
  Samsung platforms, cleanup of ux500 platform data, purge of other
  unused platform data/device seutp on i.MX and other good stuff.

  New SoC support this cycle is for two Allwinner platforms, H2+ and
  V3s"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (55 commits)
  ARM: ux500: remove deleted file from Makefile
  ARM: ep93xx: Disable TS-72xx watchdog before uncompressing
  ARM: ux500: cut some platform data
  MAINTAINERS: Update for the current location of the bcm2835 tree.
  ARM: davinci: remove BUG_ON() from da850_register_sata()
  ARM: davinci: da850: model the SATA refclk
  ARM: davinci: da850: add con_id for the SATA clock
  ARM: davinci: da8xx-dt: add OF_DEV_AUXDATA entry for SATA
  arm: mvebu: support for SMP on 98DX3336 SoC
  dt-bindings: video: exynos7-decon: Remove obsolete samsung,power-domain property
  soc: dove: constify reset_control_ops structures
  ARM: mv78xx0: fix possible PCI buffer overflow
  MAINTAINERS: transfer maintainership for the EZX platform
  ARM: shmobile: rcar-gen2: Add more register documentation
  ARM: tegra: paz00: Fix __initdata placement
  ARM: OMAP: clock: Remove unused mpurate cmdline option
  ARM: davinci: add skeleton for pdata-quirks
  arm: sunxi: add support for V3s SoC
  ARM: OMAP2+: omap_hwmod: Add support for earlycon
  arm: hisi: drop extern hip01_cpu_die
  ...
2017-02-23 15:33:54 -08:00
Linus Torvalds a3919caaa2 remoteproc updates for v4.11
This introduces support for booting the dedicated sensor core in the
 Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
 utilize SMD subdevice helpers for properly handle shutdowns and restarts
 of the remoteproc, add virtio support to the ST remoteproc and refactor
 the Qualcomm Hexagon driver to handle variations between platforms.
 
 The support code for parsing, loading and authenticating Qualcomm
 firmware files (MDT) is refactored and move to drivers/soc/qcom, to
 allow for non-remoteproc drivers to utilize this.
 
 Finally it brings some cleanups to the remoteproc core.
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Merge tag 'rproc-v4.11' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This introduces support for booting the dedicated sensor core in the
  Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
  utilize SMD subdevice helpers for properly handle shutdowns and
  restarts of the remoteproc, add virtio support to the ST remoteproc
  and refactor the Qualcomm Hexagon driver to handle variations between
  platforms.

  The support code for parsing, loading and authenticating Qualcomm
  firmware files (MDT) is refactored and move to drivers/soc/qcom, to
  allow for non-remoteproc drivers to utilize this.

  Finally it brings some cleanups to the remoteproc core"

* tag 'rproc-v4.11' of git://github.com/andersson/remoteproc: (27 commits)
  remoteproc: qcom: mdt_loader: Use signed type for offset
  remoteproc: st: add virtio communication support
  remoteproc: st: correct probe error management
  remoteproc: Modify the function names
  remoteproc: Reduce asynchronous request_firmware to auto-boot only
  remoteproc: Drop qcom_scm_pas_supported() from adsp_probe()
  MAINTAINERS: Add missing rpmsg include path
  remoteproc: qcom: Use common SMD edge handler
  remoteproc: qcom: wcnss: Make SMD handling common
  remoteproc: Move qcom_mdt_loader into drivers/soc/qcom
  remoteproc: qcom: mdt_loader: Refactor MDT loader
  remoteproc: qcom: mdt_loader: Don't overwrite firmware object
  remoteproc: qcom: Extract non-mdt related helper
  remoteproc: qcom: q6v5: Decouple driver from MDT loader
  remoteproc: qcom: q6v5: Remove mss supply from 8916
  remoteproc: qcom: fix initializers for qcom_mss_reg_res array
  remoteproc: Drop firmware_loading_complete
  remoteproc: Add RPROC_DELETED state
  remoteproc: Move rproc_delete_debug_dir() to rproc_del()
  remoteproc: qcom: Add SLPI rproc support to load and boot slpi proc.
  ...
2017-02-23 09:38:10 -08:00
Bjorn Andersson 01625cc5e6 remoteproc: qcom: mdt_loader: Use signed type for offset
In the transition from using rproc_da_to_va(), the type of the load
offset became unsigned. This causes the subsequent check to let negative
values less than p_memsz + mem_size through and we write outside of the
buffer.

Change the type back to a signed value to catch this.

Fixes: 7f0dd07a9b ("remoteproc: qcom: mdt_loader: Refactor MDT loader")
Fixes: e7fd252262 ("remoteproc: qcom: q6v5: Decouple driver from MDT loader")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-02-22 02:07:13 -08:00
Arnd Bergmann 28eedd15ec Improve the PM domains driver for Exynos by displaying a user-friendly name of
power domain.  Till now, the name of node from DT was used which mostly is just
 "power-domain".  We need more than that.
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Merge tag 'samsung-drivers-soc-pm-domains-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Pull "soc: samsung: pm_domains for v4.11" from Krzysztof Kozłowski:

Improve the PM domains driver for Exynos by displaying a user-friendly name of
power domain.  Till now, the name of node from DT was used which mostly is just
"power-domain".  We need more than that.

* tag 'samsung-drivers-soc-pm-domains-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pm_domains: Read domain name from the new label property
  soc: samsung: pm_domains: Remove message about failed memory allocation
  soc: samsung: pm_domains: Remove unused name field
  soc: samsung: pm_domains: Use full names in subdomains registration log
2017-02-07 17:20:07 +01:00
Bjorn Andersson 2aad40d911 remoteproc: Move qcom_mdt_loader into drivers/soc/qcom
With the remoteproc parts cleaned out of the MDT loader we can move it
to drivers/soc/qcom.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-02-06 08:57:25 -08:00
Marek Szyprowski b13b2330aa soc: samsung: pm_domains: Read domain name from the new label property
Device tree nodes for each power domain should use generic "power-domain"
name, so using it as a domain name doesn't give much benefits. This patch
adds support for human readable names defined in 'label' property. Such
names are visible to userspace and makes debugging much easier. When no
'label' property is found, driver keeps using the name constructed from
full node name.

Suggested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:07 +02:00
Marek Szyprowski d1a09872fe soc: samsung: pm_domains: Remove message about failed memory allocation
Memory subsystem already prints message about failed memory
allocation, there is no need to do it in the drivers.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:06 +02:00
Marek Szyprowski 066502d483 soc: samsung: pm_domains: Remove unused name field
Name is now in generic pm domain structure, so there is no need to
duplicate it in private data.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:04 +02:00
Marek Szyprowski 402e73c519 soc: samsung: pm_domains: Use full names in subdomains registration log
Device tree none name for each power domain should be "power-domain", so
use a bit more descriptive full node name in messages about subdomain
registration. This way the following meaningless message:

power-domain has as child subdomain: power-domain.

is changed to a bit more meaningful one:

/soc/power-domain@105c40a0 has as child subdomain: /soc/power-domain@105c4020.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:02 +02:00
Linus Walleij 7f36f5d11c Linux 4.10-rc6
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Merge tag 'v4.10-rc6' into devel

Linux 4.10-rc6

Resolved conflicts in:
	drivers/pinctrl/pinctrl-amd.c
	drivers/pinctrl/samsung/pinctrl-exynos.c
2017-01-30 14:39:20 +01:00
Olof Johansson 1096ffd75a Continuation of improvements for Exynos PM drivers for v4.11:
1. Add support for Exynos5433 to Power Management Unit (PMU) and Power
    Domains drivers.
 2. Cleanups of duplicated and unused defines.
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Merge tag 'samsung-drivers-soc-pmu-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Continuation of improvements for Exynos PM drivers for v4.11:
1. Add support for Exynos5433 to Power Management Unit (PMU) and Power
   Domains drivers.
2. Cleanups of duplicated and unused defines.

* tag 'samsung-drivers-soc-pmu-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
  soc: samsung: pmu: Remove unused and duplicated defines
  soc: samsung: pm_domains: Add new Exynos5433 compatible
  soc: samsung: pmu: Add dummy support for Exynos5433 SoC

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 21:18:44 -08:00
Olof Johansson 2a742e1b18 ZTE PM domain driver support for 4.11:
- It includes a series which adds DT bindings and PM domain driver for
    PCU (Power Control Unit) block found on ZTE ZX2967 family SoC.
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Merge tag 'zte-pd-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

ZTE PM domain driver support for 4.11:
 - It includes a series which adds DT bindings and PM domain driver for
   PCU (Power Control Unit) block found on ZTE ZX2967 family SoC.

* tag 'zte-pd-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: zte: pm_domains: Add support for zx296718
  soc: zte: pm_domains: Prepare for supporting ARMv8 zx2967 family
  soc: zte: Add header for PM domains specifiers
  MAINTAINERS: add zx2967 SoC drivers to ARM ZTE architecture
  dt-bindings: zte: add bindings document for zx2967 power domain controller

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 21:17:24 -08:00
Olof Johansson 874767e52c Just a single wkup_m3_ipc clean-up for v4.11 merge window.
We don't currently have anything else for drivers/soc to
 merge, but I'd expect that to change as soon as we can start
 moving PM code into drivers with the recently posted SRAM
 changes. Anyways, sent as a separate pull request to make
 it easy to group the ARM SoC pull requests.
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Merge tag 'omap-for-v4.11/drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers

Just a single wkup_m3_ipc clean-up for v4.11 merge window.
We don't currently have anything else for drivers/soc to
merge, but I'd expect that to change as soon as we can start
moving PM code into drivers with the recently posted SRAM
changes. Anyways, sent as a separate pull request to make
it easy to group the ARM SoC pull requests.

* tag 'omap-for-v4.11/drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  soc: ti: wkup_m3_ipc: Drop wait from wkup_m3_rproc_boot_thread

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 17:16:17 -08:00
Olof Johansson 5f1223c5b0 Couple of minor cleanups for Navigator drivers for 4.11
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Merge tag 'keystone_soc_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

Couple of minor cleanups for Navigator drivers for 4.11

* tag 'keystone_soc_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: ti: knav: cleanup includes and sort header files
  soc: ti: knav_dma: fix typos in trace message

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 14:47:22 -08:00
Olof Johansson 61c5e4927b Some extensions to the power-domain driver to support domains in
hiword registers (write-mask in upper 16bit) and domain-definitions
 for the rk3328 soc.
 
 Secondly a "driver" that attaches to the already existing grf nodes
 and is able to set static defaults for settings that cannot really
 be attached to any specific subsystem.
 Most GRF settings can already be set from drivers using them, but there
 are some behavioural settings like the mmc/jtag switch that cannot.
 
 As the commit message states this is really meant as a last line
 of defence for things that neither belong to a subsystem nor to the
 
 Having this here allows arm64 socs to have this as well and also
 moves another bit of code out of the arm32 mach-rockchip.
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Merge tag 'v4.11-armsoc-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Some extensions to the power-domain driver to support domains in
hiword registers (write-mask in upper 16bit) and domain-definitions
for the rk3328 soc.

Secondly a "driver" that attaches to the already existing grf nodes
and is able to set static defaults for settings that cannot really
be attached to any specific subsystem.
Most GRF settings can already be set from drivers using them, but there
are some behavioural settings like the mmc/jtag switch that cannot.

As the commit message states this is really meant as a last line
of defence for things that neither belong to a subsystem nor to the

Having this here allows arm64 socs to have this as well and also
moves another bit of code out of the arm32 mach-rockchip.

* tag 'v4.11-armsoc-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: rockchip: drop rk3288 jtag/mmc switch handling
  soc: rockchip: add driver handling grf setup
  dt-bindings: add used but undocumented rockchip grf compatible values
  soc: rockchip: power-domain: add power domain support for rk3328
  dt-bindings: add binding for rk3328 power domains
  dt-bindings: power: add RK3328 SoCs header for idle-request
  soc: rockchip: power-domain: Support domain control in hiword-registers

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 14:32:07 -08:00
Bhumika Goyal f2591b993e soc: dove: constify reset_control_ops structures
Declare reset_control_ops as const as they are only stored in the ops
field of a reset_controller_dev structure. This field is of type const
struct reset_control_ops *, so reset_control_ops structures having this
property can be declared as const.
Done using Coccinelle:

@r1 disable optional_qualifier@
identifier i;
position p;
@@
static struct reset_control_ops i@p={...};

@ok1@
identifier r1.i;
position p;
struct reset_controller_dev x;
@@
x.ops=&i@p;

@bad@
position p!={r1.p,ok1.p};
identifier r1.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct reset_control_ops i;

File size before: drivers/soc/dove/pmu.o
   text	   data	    bss	    dec	    hex	filename
   2447	    112	     16	   2575	    a0f	drivers/soc/dove/pmu.o

File size after: drivers/soc/dove/pmu.o
   text	   data	    bss	    dec	    hex	filename
   2479	     80	     16	   2575	    a0f	drivers/soc/dove/pmu.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2017-01-27 17:52:57 +01:00
Krzysztof Kozlowski ee55ae6194 soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
The register ARM_L2_OPTION (0x2608 in Exynos4 and Exynos5 PMU) was
defined twice.  Both names were used in the Exynos542x code.  Simplify
this.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-27 11:32:31 +02:00
Chanwoo Choi 6bce1974f6 soc: samsung: pm_domains: Add new Exynos5433 compatible
Add a new compatible string for Exynos5433 because it uses the 0xf
value instead of 0x7 for domain on/off registers.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-27 09:38:54 +02:00
Marek Szyprowski fa59aa7090 soc: samsung: pmu: Add dummy support for Exynos5433 SoC
Add compatible for Exynos5433 SoC, so the driver will bind and let other
drivers to use PMU regmap.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-26 21:50:56 +02:00
Marek Szyprowski 1da6de33e4 soc: samsung: pmu: Remove messages for failed memory allocation
Memory subsystem already prints message about failed memory
allocation, there is no need to do it in the driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-20 18:37:27 +02:00
Marek Szyprowski ec7cc5b15e soc: samsung: pmu: Use of_device_get_match_data helper
Replace custom code with generic helper to retrieve driver data.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-20 18:37:13 +02:00
Marek Szyprowski 76640b84bd soc: samsung: pmu: Provide global function to get PMU regmap
PMU is something like a SoC wide service, so add a helper function to get
PMU regmap. This will be used by other Exynos device drivers. This way it
can be avoided to model this dependency in device tree (as phandles to PMU
node) for almost every device in the SoC.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-20 18:35:36 +02:00
Wei Yongjun 36b29eb30e soc: ti: wkup_m3_ipc: Fix error return code in wkup_m3_ipc_probe()
Fix to return a negative error code from the kthread_run() error
handling case instead of 0, as done elsewhere in this function.

Fixes: cdd5de500b ("soc: ti: Add wkup_m3_ipc driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-01-12 13:37:49 -08:00
Baoyou Xie 3755584a91 soc: zte: pm_domains: Add support for zx296718
This patch introduces the power domain driver of zx296718
which belongs to zte's zx2967 family.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-01-11 16:21:14 +08:00
Baoyou Xie 4c2c2e3971 soc: zte: pm_domains: Prepare for supporting ARMv8 zx2967 family
The ARMv8 zx2967 family (296718, 296716 etc) uses different value
for controlling the power domain on/off registers, Choose the
value depending on the compatible.

Multiple domains are prepared for the family, this patch prepares
the common functions.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-01-11 16:21:10 +08:00
Murali Karicheri 6e03f653e3 soc: ti: knav: cleanup includes and sort header files
This patch cleanup the code to remove unnecessary header files and
also sort the header files.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-01-06 11:05:45 -08:00
Murali Karicheri 4ee34aae41 soc: ti: knav_dma: fix typos in trace message
This patch fixes some typos in the trace message

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-01-06 11:05:45 -08:00
Sarangdhar Joshi 36cc9fd9ce soc: ti: wkup_m3_ipc: Drop wait from wkup_m3_rproc_boot_thread
The function wkup_m3_rproc_boot_thread waits for asynchronous
firmware loading to parse the resource table before calling
rproc_boot(). However, as the resource table parsing has been
moved to rproc_boot(), there's no need to wait for the
asynchronous firmware loading completion.  So, drop this.

CC: Dave Gerlach <d-gerlach@ti.com>
CC: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-01-06 08:37:39 -08:00
Heiko Stuebner 4c58063d42 soc: rockchip: add driver handling grf setup
The General Register Files are an area of registers containing a lot
of single-bit settings for numerous components as well full components
like usbphy control. Therefore all used components are accessed
via the syscon provided by the grf nodes or from the sub-devices
created through the simple-mfd created from the grf node.

Some settings are not used by anything but will need to be set up
according to expectations on the kernel side.

Best example is the force_jtag setting, which defaults to on and
results in the soc switching the pin-outputs between jtag and sdmmc
automatically depending on the card-detect status. This conflicts
heavily with how the dw_mmc driver expects to do its work and also
with the clock-controller, which has most likely deactivated the
jtag clock due to it being unused.

So far the handling of this setting was living in the mach-rockchip
code for the arm32-based rk3288 but that of course doesn't work
for arm64 socs and would also look ugly for further arm32 socs.

Also always disabling this setting is quite specific to linux and
its subsystems, other operating systems might prefer other settings,
so that the bootloader cannot really set a sane default for all.

So introduce a top-level driver for the grf that handles these
settings that need to be a certain way but nobody cares about.

Other needed settings might surface in the future and can then
be added here, but only as a last option. Ideally general GRF
settings should be handled in the driver needing them.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
2017-01-06 10:28:19 +01:00
Elaine Zhang e9284603d8 soc: rockchip: power-domain: add power domain support for rk3328
The rk3328 uses the newly introduced support for power-domain control
in hiword-mask registers.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-01-05 14:35:09 +01:00
Elaine Zhang 79bb17ce8e soc: rockchip: power-domain: Support domain control in hiword-registers
New Rockchips SoCs may have their power-domain control in registers
using a writemask-based access scheme (upper 16bit being the write
mask). So add a DOMAIN_M type and handle this case accordingly.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-01-05 14:29:55 +01:00
Linus Torvalds de399813b5 powerpc updates for 4.10
Highlights include:
 
  - Support for the kexec_file_load() syscall, which is a prereq for secure and
    trusted boot.
 
  - Prevent kernel execution of userspace on P9 Radix (similar to SMEP/PXN).
 
  - Sort the exception tables at build time, to save time at boot, and store
    them as relative offsets to save space in the kernel image & memory.
 
  - Allow building the kernel with thin archives, which should allow us to build
    an allyesconfig once some other fixes land.
 
  - Build fixes to allow us to correctly rebuild when changing the kernel endian
    from big to little or vice versa.
 
  - Plumbing so that we can avoid doing a full mm TLB flush on P9 Radix.
 
  - Initial stack protector support (-fstack-protector).
 
  - Support for dumping the radix (aka. Linux) and hash page tables via debugfs.
 
  - Fix an oops in cxl coredump generation when cxl_get_fd() is used.
 
  - Freescale updates from Scott: "Highlights include 8xx hugepage support,
    qbman fixes/cleanup, device tree updates, and some misc cleanup."
 
  - Many and varied fixes and minor enhancements as always.
 
 Thanks to:
   Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman Khandual,
   Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz, Christophe Jaillet,
   Christophe Leroy, Denis Kirjanov, Elimar Riesebieter, Frederic Barrat,
   Gautham R. Shenoy, Geliang Tang, Geoff Levand, Jack Miller, Johan Hovold,
   Lars-Peter Clausen, Libin, Madhavan Srinivasan, Michael Neuling, Nathan
   Fontenot, Naveen N. Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin,
   Rashmica Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj
   Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain.
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Merge tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Highlights include:

   - Support for the kexec_file_load() syscall, which is a prereq for
     secure and trusted boot.

   - Prevent kernel execution of userspace on P9 Radix (similar to
     SMEP/PXN).

   - Sort the exception tables at build time, to save time at boot, and
     store them as relative offsets to save space in the kernel image &
     memory.

   - Allow building the kernel with thin archives, which should allow us
     to build an allyesconfig once some other fixes land.

   - Build fixes to allow us to correctly rebuild when changing the
     kernel endian from big to little or vice versa.

   - Plumbing so that we can avoid doing a full mm TLB flush on P9
     Radix.

   - Initial stack protector support (-fstack-protector).

   - Support for dumping the radix (aka. Linux) and hash page tables via
     debugfs.

   - Fix an oops in cxl coredump generation when cxl_get_fd() is used.

   - Freescale updates from Scott: "Highlights include 8xx hugepage
     support, qbman fixes/cleanup, device tree updates, and some misc
     cleanup."

   - Many and varied fixes and minor enhancements as always.

  Thanks to:
    Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman
    Khandual, Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz,
    Christophe Jaillet, Christophe Leroy, Denis Kirjanov, Elimar
    Riesebieter, Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff
    Levand, Jack Miller, Johan Hovold, Lars-Peter Clausen, Libin,
    Madhavan Srinivasan, Michael Neuling, Nathan Fontenot, Naveen N.
    Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin, Rashmica
    Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj
    Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain"

[ And thanks to Michael, who took time off from a new baby to get this
  pull request done.   - Linus ]

* tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (174 commits)
  powerpc/fsl/dts: add FMan node for t1042d4rdb
  powerpc/fsl/dts: add sg_2500_aqr105_phy4 alias on t1024rdb
  powerpc/fsl/dts: add QMan and BMan nodes on t1024
  powerpc/fsl/dts: add QMan and BMan nodes on t1023
  soc/fsl/qman: test: use DEFINE_SPINLOCK()
  powerpc/fsl-lbc: use DEFINE_SPINLOCK()
  powerpc/8xx: Implement support of hugepages
  powerpc: get hugetlbpage handling more generic
  powerpc: port 64 bits pgtable_cache to 32 bits
  powerpc/boot: Request no dynamic linker for boot wrapper
  soc/fsl/bman: Use resource_size instead of computation
  soc/fsl/qe: use builtin_platform_driver
  powerpc/fsl_pmc: use builtin_platform_driver
  powerpc/83xx/suspend: use builtin_platform_driver
  powerpc/ftrace: Fix the comments for ftrace_modify_code
  powerpc/perf: macros for power9 format encoding
  powerpc/perf: power9 raw event format encoding
  powerpc/perf: update attribute_group data structure
  powerpc/perf: factor out the event format field
  powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown
  ...
2016-12-16 09:26:42 -08:00
Linus Torvalds 991688bfc6 ARM: SoC driver updates for v4.10
Driver updates for ARM SoCs, including a couple of newly added drivers:
 
 - A new driver for the power management controller on TI Keystone
 - Support for the prerelease "SCPI" firmware protocol that ended up
   being shipped by Amlogic in their GXBB SoC.
 - A soc_device can now be matched using a glob from inside the
   kernel, when another driver wants to know the specific chip
   it is running on and cannot find out from DT, firmware or hardware.
 - Renesas SoCs now support identification through the soc_device
   interface, both in user space and kernel.
 - Renesas r8a7743 and r8a7745 gain support for their system controller
 - A new checking module for the ARM "PSCI" (not to be confused
   with "SCPI" mentioned above) firmware interface.
 - A new driver for the Tegra GMI memory interface
 - Support for the Tegra firmware interfaces with their
   power management controllers
 
 As usual, the updates for the reset controller framework are merged
 here, as they tend to touch multiple SoCs as well, including a new
 driver for the Oxford (now Broadcom) OX820 chip and the Tegra
 bpmp interface.
 
 The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and
 Rockchips SoCs see some further updates.
 
 Conflicts:
 - ARCH_RENESAS now selects SOC_BUS, but no longer needs GPIOLIB
 - drivers/soc/renesas/Makefile: multiple files got added, keep
   all in logical sorting
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, including a couple of newly added
  drivers:

   - A new driver for the power management controller on TI Keystone

   - Support for the prerelease "SCPI" firmware protocol that ended up
     being shipped by Amlogic in their GXBB SoC.

   - A soc_device can now be matched using a glob from inside the
     kernel, when another driver wants to know the specific chip it is
     running on and cannot find out from DT, firmware or hardware.

   - Renesas SoCs now support identification through the soc_device
     interface, both in user space and kernel.

   - Renesas r8a7743 and r8a7745 gain support for their system
     controller

   - A new checking module for the ARM "PSCI" (not to be confused with
     "SCPI" mentioned above) firmware interface.

   - A new driver for the Tegra GMI memory interface

   - Support for the Tegra firmware interfaces with their power
     management controllers

  As usual, the updates for the reset controller framework are merged
  here, as they tend to touch multiple SoCs as well, including a new
  driver for the Oxford (now Broadcom) OX820 chip and the Tegra bpmp
  interface.

  The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and
  Rockchips SoCs see some further updates"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (76 commits)
  misc: sram: remove useless #ifdef
  drivers: psci: Allow PSCI node to be disabled
  drivers: psci: PSCI checker module
  soc: renesas: Identify SoC and register with the SoC bus
  firmware: qcom: scm: Return PTR_ERR when devm_clk_get fails
  firmware: qcom: scm: Remove core, iface and bus clocks dependency
  dt-bindings: firmware: scm: Add MSM8996 DT bindings
  memory: da8xx-ddrctl: drop the call to of_flat_dt_get_machine_name()
  bus: da8xx-mstpri: drop the call to of_flat_dt_get_machine_name()
  ARM: shmobile: Document DT bindings for Product Register
  soc: renesas: rcar-sysc: add R8A7745 support
  reset: Add Tegra BPMP reset driver
  dt-bindings: firmware: Allow child nodes inside the Tegra BPMP
  dt-bindings: Add power domains to Tegra BPMP firmware
  firmware: tegra: Add BPMP support
  firmware: tegra: Add IVC library
  dt-bindings: firmware: Add bindings for Tegra BPMP
  mailbox: tegra-hsp: Use after free in tegra_hsp_remove_doorbells()
  mailbox: Add Tegra HSP driver
  firmware: arm_scpi: add support for pre-v1.0 SCPI compatible
  ...
2016-12-15 16:03:25 -08:00
Linus Torvalds 3ec5e8d82b ARM: SoC non-urgent fixes for v4.10
As usual, we queue up a few fixes that don't seem urgent enough to go in
 through -rc, or that just came a little too late given their size.
 
 The zx fixes make the platform finally boot on real hardware, the
 davinci and imx31 get the DT support working better for some of
 the machines that are still normally used with classic board files.
 One tegra fix is important for new bootloader versions, but the
 bug has been around for a while without anyone noticing.
 
 The other changes are mostly cosmetic.
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-urgent fixes from Arnd Bergmann:
 "As usual, we queue up a few fixes that don't seem urgent enough to go
  in through -rc, or that just came a little too late given their size.

  The zx fixes make the platform finally boot on real hardware, the
  davinci and imx31 get the DT support working better for some of the
  machines that are still normally used with classic board files. One
  tegra fix is important for new bootloader versions, but the bug has
  been around for a while without anyone noticing.

  The other changes are mostly cosmetic"

* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
  arm64: tegra: Add missing Smaug revision
  arm64: tegra: Add VDD_GPU regulator to Jetson TX1
  arm64: dts: zte: clean up gic-v3 redistributor properties
  arm64: dts: zx: Fix gic GICR property
  bus: vexpress-config: fix device reference leak
  soc: ti: qmss: fix the case when !SMP
  ARM: lpc32xx: drop duplicate header device.h
  ARM: ixp4xx: drop duplicate header gpio.h
  ARM: socfpga: fix spelling mistake in error message
  ARM: dts: imx6q-cm-fx6: fix fec pinctrl
  ARM: dts: imx7d-pinfunc: fix UART pinmux defines
  ARM: dts: imx6qp: correct LDB clock inputs
  ARM: OMAP2+: pm-debug: Use seq_putc() in two functions
  ARM: OMAP2+: Remove the omapdss_early_init_of() function
  mfd: tps65217: Fix mismatched interrupt number
  ARM: zx: Fix error handling
  ARM: spear: Fix error handling
  ARM: davinci: da850: Fix pwm name matching
  ARM: clk: imx31: properly init clocks for machines with DT
  clk: imx31: fix rewritten input argument of mx31_clocks_init()
  ...
2016-12-15 15:15:13 -08:00
Linus Torvalds b8d2798f32 This is a fairly quiet release. We don't have any patches to the core
framework. The only patch that can even be considered "core" adds another
 clk_get() variant. The rest of the changes are in drivers for various SoCs, and
 we have a few bits for ARM shmobile architecture code (dts and mach) due to the
 dependency we're breaking between shmobile architecture code and its clk
 driver. Those shmobile bits have also been pulled into arm-soc tree. Here's the
 summary:
 
 Core:
 
  - Support for devm_get_clk_from_child() used with DT bindings that have
    subnodes with the 'clocks' property
 
 New Drivers:
 
  - Allwinner A64 (sun50i)
  - i.MX imx6ull
  - Socionext's UniPhier SoC CPUs
  - Mediatek MT2701 SoCs
  - Rockchip rk1108 SoCs
  - Qualcomm MSM8994/MSM8992 SoCS
  - Qualcomm RPM Clocks
  - Hisilicon Hi3516CV300 and Hi3798CV200 CRG
  - Oxford Semiconductor OX820 and OX810SE SoCs
  - Renesas RZ/G1M and RZ/GIE SoCs
  - Renesas R-Car RST driver for mode pin states
 
 Updates:
 
  - Four Allwinner SoCs are migrated to the new style clk driver
  - Rockchip rk3399,rk3066 PLL optimizations
  - i.MX LVDS display glitch fixes and AV PLL precision improvements
  - Qualcomm MSM8996 GPU GDSCs, hw controlled GDSCs, and Alpha PLL support
  - Explicit demodularization of always builtin drivers
  - Freescale Qoriq ls1012a and ls1046a support
  - Exynos 5433 parent typo fix and critical clock tagging
  - Renesas r8a7743/r8a7745 CPG
  - Renesas R-Car M3-W CSI2/VIN/SYS-DMAC/(H)SCIF/I2C/DRIF/gfx support
  - stm32f4* LSI, LSE, RTC, and QSPI clocks
  - pxa27x and pxa25x cpufreq as clks
  - TI omap36xx sprz319 advisory 2.1 workaround
  - Broadcom bcm2835 rate change propogation to PLLH_AUX from VEC
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This is a fairly quiet release. We don't have any patches to the core
  framework. The only patch that can even be considered "core" adds
  another clk_get() variant. The rest of the changes are in drivers for
  various SoCs, and we have a few bits for ARM shmobile architecture
  code (dts and mach) due to the dependency we're breaking between
  shmobile architecture code and its clk driver. Those shmobile bits
  have also been pulled into arm-soc tree. Here's the summary:

  Core:

   - Support for devm_get_clk_from_child() used with DT bindings that
     have subnodes with the 'clocks' property

  New Drivers:

   - Allwinner A64 (sun50i)
   - i.MX imx6ull
   - Socionext's UniPhier SoC CPUs
   - Mediatek MT2701 SoCs
   - Rockchip rk1108 SoCs
   - Qualcomm MSM8994/MSM8992 SoCS
   - Qualcomm RPM Clocks
   - Hisilicon Hi3516CV300 and Hi3798CV200 CRG
   - Oxford Semiconductor OX820 and OX810SE SoCs
   - Renesas RZ/G1M and RZ/GIE SoCs
   - Renesas R-Car RST driver for mode pin states

  Updates:

   - Four Allwinner SoCs are migrated to the new style clk driver
   - Rockchip rk3399,rk3066 PLL optimizations
   - i.MX LVDS display glitch fixes and AV PLL precision improvements
   - Qualcomm MSM8996 GPU GDSCs, hw controlled GDSCs, and Alpha PLL
     support
   - Explicit demodularization of always builtin drivers
   - Freescale Qoriq ls1012a and ls1046a support
   - Exynos 5433 parent typo fix and critical clock tagging
   - Renesas r8a7743/r8a7745 CPG
   - Renesas R-Car M3-W CSI2/VIN/SYS-DMAC/(H)SCIF/I2C/DRIF/gfx support
   - stm32f4* LSI, LSE, RTC, and QSPI clocks
   - pxa27x and pxa25x cpufreq as clks
   - TI omap36xx sprz319 advisory 2.1 workaround
   - Broadcom bcm2835 rate change propogation to PLLH_AUX from VEC"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (150 commits)
  clk: bcm: Fix 'maybe-uninitialized' warning in bcm2835_clock_choose_div_and_prate()
  clk: add devm_get_clk_from_child() API
  clk: st: clk-flexgen: Unmap region obtained by of_iomap
  clk: keystone: pll: Unmap region obtained by of_iomap
  clk:mmp:clk-of-mmp2: Free memory and Unmap region obtained by kzalloc and of_iomap
  clk:mmp:clk-of-pxa910: Free memory and Unmap region obtained by kzmalloc and of_iomap
  clk: mmp: clk-of-pxa1928: Free memory obtained by kzalloc
  clk: cdce925: Fix limit check
  clk: bcm: Make COMMON_CLK_IPROC into a library
  clk: qoriq: added ls1012a clock configuration
  clk: ti: dra7: fix "failed to lookup clock node gmac_gmii_ref_clk_div" boot message
  clk: bcm: Allow rate change propagation to PLLH_AUX on VEC clock
  clk: bcm: Support rate change propagation on bcm2835 clocks
  clk: bcm2835: Avoid overwriting the div info when disabling a pll_div clk
  clk: ti: omap36xx: Work around sprz319 advisory 2.1
  clk: clk-wm831x: fix a logic error
  clk: uniphier: add cpufreq data for LD11, LD20 SoCs
  clk: uniphier: add CPU-gear change (cpufreq) support
  clk: qcom: Put venus core0/1 gdscs to hw control mode
  clk: qcom: gdsc: Add support for gdscs with HW control
  ...
2016-12-13 08:54:27 -08:00
Linus Torvalds 5233c331cf It's been an busy period for mmc. Quite some changes in the mmc core, two new
mmc host drivers, some existing drivers being extended to support new IP
 versions and lots of other updates.
 
 MMC core:
  - Delete eMMC packed command support
  - Introduce mmc_abort_tuning() to enable eMMC tuning to fail gracefully
  - Introduce mmc_can_retune() to see if a host can be retuned
  - Re-work and improve the sequence when sending a CMD6 for mmc
  - Enable CDM13 polling when switching to HS and HS DDR mode for mmc
  - Relax checking for CMD6 errors after switch to HS200
  - Re-factoring the code dealing with the mmc block queue
  - Recognize whether the eMMC card supports CMDQ
  - Fix 4K native sector check
  - Don't power off the card when starting the host
  - Increase MMC_IOC_MAX_BYTES to support bigger firmware binaries
  - Improve error handling and drop meaningless BUG_ONs()
  - Lots of clean-ups and changes to improve the quality of the code
 
 MMC host:
  - sdhci: Fix tuning sequence and clean-up the related code
  - sdhci: Add support to via DT override broken SDHCI cap register bits
  - sdhci-cadence: Add new driver for Cadence SD4HC SDHCI variant
  - sdhci-msm: Update clock management
  - sdhci-msm: Add support for eMMC HS400 mode
  - sdhci-msm: Deploy runtime/system PM support
  - sdhci-iproc: Extend driver support to newer IP versions
  - sdhci-pci: Add support for Intel GLK
  - sdhci-pci: Add support for Intel NI byt sdio
  - sdhci-acpi: Add support for 80860F14 UID 2 SDIO bus
  - sdhci: Lots of various small improvements and clean-ups
  - tmio: Add support for tuning
  - sh_mobile_sdhi: Add support for tuning
  - sh_mobile_sdhi: Extend driver to support SDHI IP on R7S72100 SoC
  - sh_mobile_sdhi: remove support for sh7372
  - davinci: Use mmc_of_parse() to enable generic mmc DT bindings
  - meson: Add new driver to support GX platforms
  - dw_mmc: Deploy generic runtime/system PM support
  - dw_mmc: Lots of various small improvements
 
 As a part of the mmc changes this time, I have also pulled in an immutable
 branch/tag (soc-device-match-tag1) hosted by Geert Uytterhoeven, to share the
 implementation of the new soc_device_match() interface. This is needed by the
 below mmc related changes:
  - mmc: sdhci-of-esdhc: Get correct IP version for T4240-R1.0-R2.0
  - soc: fsl: add GUTS driver for QorIQ platforms
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Merge tag 'mmc-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "It's been an busy period for mmc. Quite some changes in the mmc core,
  two new mmc host drivers, some existing drivers being extended to
  support new IP versions and lots of other updates.

  MMC core:
   - Delete eMMC packed command support
   - Introduce mmc_abort_tuning() to enable eMMC tuning to fail
     gracefully
   - Introduce mmc_can_retune() to see if a host can be retuned
   - Re-work and improve the sequence when sending a CMD6 for mmc
   - Enable CDM13 polling when switching to HS and HS DDR mode for mmc
   - Relax checking for CMD6 errors after switch to HS200
   - Re-factoring the code dealing with the mmc block queue
   - Recognize whether the eMMC card supports CMDQ
   - Fix 4K native sector check
   - Don't power off the card when starting the host
   - Increase MMC_IOC_MAX_BYTES to support bigger firmware binaries
   - Improve error handling and drop meaningless BUG_ONs()
   - Lots of clean-ups and changes to improve the quality of the code

  MMC host:
   - sdhci: Fix tuning sequence and clean-up the related code
   - sdhci: Add support to via DT override broken SDHCI cap register
     bits
   - sdhci-cadence: Add new driver for Cadence SD4HC SDHCI variant
   - sdhci-msm: Update clock management
   - sdhci-msm: Add support for eMMC HS400 mode
   - sdhci-msm: Deploy runtime/system PM support
   - sdhci-iproc: Extend driver support to newer IP versions
   - sdhci-pci: Add support for Intel GLK
   - sdhci-pci: Add support for Intel NI byt sdio
   - sdhci-acpi: Add support for 80860F14 UID 2 SDIO bus
   - sdhci: Lots of various small improvements and clean-ups
   - tmio: Add support for tuning
   - sh_mobile_sdhi: Add support for tuning
   - sh_mobile_sdhi: Extend driver to support SDHI IP on R7S72100 SoC
   - sh_mobile_sdhi: remove support for sh7372
   - davinci: Use mmc_of_parse() to enable generic mmc DT bindings
   - meson: Add new driver to support GX platforms
   - dw_mmc: Deploy generic runtime/system PM support
   - dw_mmc: Lots of various small improvements

  As a part of the mmc changes this time, I have also pulled in an
  immutable branch/tag (soc-device-match-tag1) hosted by Geert
  Uytterhoeven, to share the implementation of the new
  soc_device_match() interface. This is needed by these mmc related
  changes:

   - mmc: sdhci-of-esdhc: Get correct IP version for T4240-R1.0-R2.0
   - soc: fsl: add GUTS driver for QorIQ platforms"

* tag 'mmc-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (136 commits)
  mmc: sdhci-cadence: add Cadence SD4HC support
  mmc: sdhci: export sdhci_execute_tuning()
  mmc: sdhci: Tidy tuning loop
  mmc: sdhci: Simplify tuning block size logic
  mmc: sdhci: Factor out tuning helper functions
  mmc: sdhci: Use mmc_abort_tuning()
  mmc: mmc: Introduce mmc_abort_tuning()
  mmc: sdhci: Always allow tuning to fall back to fixed sampling
  mmc: sdhci: Fix tuning reset after exhausting the maximum number of loops
  mmc: sdhci: Fix recovery from tuning timeout
  Revert "mmc: sdhci: Reset cmd and data circuits after tuning failure"
  mmc: mmc: Relax checking for switch errors after HS200 switch
  mmc: sdhci-acpi: support 80860F14 UID 2 SDIO bus
  mmc: sdhci-of-at91: remove bogus MMC_SDHCI_IO_ACCESSORS select
  mmc: sdhci-pci: Use ACPI to get max frequency for Intel NI byt sdio
  mmc: sdhci-pci: Add PCI ID for Intel NI byt sdio
  mmc: sdhci-s3c: add spin_unlock_irq() before calling clk_round_rate
  mmc: dw_mmc: display the clock message only one time when card is polling
  mmc: dw_mmc: add the debug message for polling and non-removable
  mmc: dw_mmc: check the "present" variable before checking flags
  ...
2016-12-13 08:34:11 -08:00
Fabian Frederick 39e7ac1bcf soc/fsl/qman: test: use DEFINE_SPINLOCK()
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-09 23:08:52 -06:00
Wei Yongjun d754442416 soc/fsl/bman: Use resource_size instead of computation
Use resource_size function on resource object
instead of explicit computation.

Generated by: scripts/coccinelle/api/resource_size.cocci

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-04 19:54:40 -06:00
Geliang Tang c9492b4bea soc/fsl/qe: use builtin_platform_driver
Use builtin_platform_driver() helper to simplify the code.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-04 19:52:45 -06:00
Sebastian Andrzej Siewior 1f759d328f soc/fsl/qbman: Convert to hotplug state machine
Install the callbacks via the state machine.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: rt@linutronix.de
Cc: Roy Pledge <roy.pledge@nxp.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-21-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-02 00:52:40 +01:00
Sebastian Andrzej Siewior fce77c3562 soc/fsl/qbman: Convert to hotplug state machine
Install the callbacks via the state machine.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: rt@linutronix.de
Cc: Roy Pledge <roy.pledge@nxp.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-20-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-02 00:52:39 +01:00
Grygorii Strashko 920f8bf7f3 soc: ti: qmss: fix the case when !SMP
The irq_set_affinity_hint() will always fail when !SMP and
Networking will fail on Keystone 2 devices in this case.
Hence, fix by ignoring IRQ affinity settings when !SMP.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-11-30 22:10:23 +01:00
Arnd Bergmann bc28ba81db Renesas ARM Based SoC Match Updates for v4.10
* Identify SoC and register with the SoC bus
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Merge tag 'renesas-soc-match-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Merge "Renesas ARM Based SoC Match Updates for v4.10" from Simon Horman:

* Identify SoC and register with the SoC bus

* tag 'renesas-soc-match-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: Identify SoC and register with the SoC bus
  ARM: shmobile: Document DT bindings for Product Register

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-11-30 16:49:22 +01:00
Arnd Bergmann d319fc6dc1 Renesas ARM Based SoC r8a7745 SYSC Driver Updates for v4.10
* Add support for the r8a7745 SoC to rcar-sysc
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Merge tag 'renesas-r8a7745-sysc-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Pull "Renesas ARM Based SoC r8a7745 SYSC Driver Updates for v4.10" from Simon Horman:

* Add support for the r8a7745 SoC to rcar-sysc

* tag 'renesas-r8a7745-sysc-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: add R8A7745 support
  ARM: shmobile: r8a7745: add power domain index macros

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-11-30 16:39:48 +01:00
Sudeep Holla 34c1c21e94 soc: fsl: fix section mismatch build warnings
We get the following warning with the driver is compiled in:

WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'

With CONFIG_DEBUG_SECTION_MISMATCH enabled, the details are reported:

WARNING: vmlinux.o(.text+0x55d014): Section mismatch in reference from the
function fsl_guts_probe() to the function
.init.text:of_flat_dt_get_machine_name()
The function fsl_guts_probe() references
the function __init of_flat_dt_get_machine_name().
This is often because fsl_guts_probe lacks a __init
annotation or the annotation of of_flat_dt_get_machine_name is wrong.

This patch fixes the issue by using the normal DT/OF API rather than
the of_flat_* one.

Cc: Scott Wood <oss@buserror.net>
Cc: Yangbo Lu <yangbo.lu@nxp.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-11-29 09:20:14 +01:00
yangbo lu a6fc3b6981 soc: fsl: add GUTS driver for QorIQ platforms
The global utilities block controls power management, I/O device
enabling, power-onreset(POR) configuration monitoring, alternate
function selection for multiplexed signals,and clock control.

This patch adds a driver to manage and access global utilities block.
Initially only reading SVR and registering soc device are supported.
Other guts accesses, such as reading RCW, should eventually be moved
into this driver as well.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-11-29 09:17:20 +01:00
Claudiu Manoil 1805882276 soc/qman: Handle endianness of h/w descriptors
The hardware descriptors have big endian (BE) format.
Provide proper endianness handling for the remaining
descriptor fields, to ensure they are correctly
accessed by non-BE CPUs too.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 21:01:25 -06:00
Geert Uytterhoeven 8d6799a9ba soc: renesas: Identify SoC and register with the SoC bus
Identify the SoC type and revision, and register this information with
the SoC bus, so it is available under /sys/devices/soc0/, and can be
checked where needed using soc_device_match().

Identification is done using the Product Register or Common Chip Code
Register, as declared in DT (PRR only for now), or using a hardcoded
fallback if missing.

Example:

    Detected Renesas R-Car Gen2 r8a7791 ES1.0
    ...
    # cat /sys/devices/soc0/{machine,family,soc_id,revision}
    Koelsch
    R-Car Gen2
    r8a7791
    ES1.0

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-23 20:22:21 +01:00
Sergei Shtylyov 141723e0cb soc: renesas: rcar-sysc: add R8A7745 support
Add support for RZ/G1E (R8A7745) SoC power areas to the R-Car SYSC driver.

Based on the original (and large) patch by Dmitry Shifrin
<dmitry.shifrin@cogentembedded.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-23 14:28:41 +01:00
Claudiu Manoil 496bfa11de soc/qman: Clean up CGR CSCN target update operations
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:49 -06:00
Claudiu Manoil efe848cdb7 soc/qman: Change remaining contextB into context_b
There are multiple occurences of both contextB and context_b
in different h/w descriptors, referring to the same descriptor
field known as "Context B". Stick with the "context_b" naming,
for obvious reasons including consistency (see also context_a).

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:48 -06:00
Claudiu Manoil 5a42f1ecb3 soc/qbman: Handle endianness of qm/bm_in/out()
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:48 -06:00
Claudiu Manoil b539945286 soc/qman: Drop unused field from eqcr/dqrr descriptors
ORP ("Order Restoration Point") mechanism not supported.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:47 -06:00
Claudiu Manoil d6753c7e65 soc/qman: Fix accesses to fqid, cleanup
Preventively mask every access to the 'fqid' h/w field,
since it is defined as a 24-bit field, for every h/w
descriptor.  Add generic accessors for this field to
ensure correct access.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:46 -06:00
Claudiu Manoil 7ff07da015 soc/qman: Remove unused struct qm_mcc* layouts
1. qm_mcc_querywq layout not used for now, so drop it;
2. queryfq, queryfq_np and alterfq are used only for accesses to
   the 'fqid' field, so replace these with a generic 'fq' layout.
   As a consequence, 'querycgr' turns into 'cgr' following the
   same reasoning above and for consistent naming.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:46 -06:00
Claudiu Manoil e5caf693ac soc/qman: Remove redundant checks from qman_create_cgr()
opts is checked redundantly.
Move local_opts declaration inside its usage scope.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:45 -06:00
Claudiu Manoil 021ba01066 soc/qman: test: Don't use dummy platform device for dma mapping
Replace dummy platform device hack with a reference to a portal's
platform device, in order to dma map the test frame for this
small unit test.  The 2 qman symbols need to be exported because
this self test is a kernel module.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:44 -06:00
Claudiu Manoil 0fbeac3b0f soc/qman: Don't add a new platform device for dma mapping
The qman portals are platform devices themselves, so they should
handle dma mappings.  Creating a dummy platform device in order to
support dma mapping operations is not justified (and not portable).
Instead, do the mapping against the first portal that has been
initialised.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:44 -06:00
Claudiu Manoil 57e68a5e23 soc/qman: test: Fix implementation of fd_cmp()
This function must only return the truth value of whether
two frame descriptors are different or not.
It does NOT have to compute some obscure difference between
fd fields and return it as an int, making sparse complain
about type conversions in the process.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:43 -06:00
Claudiu Manoil b6e969dbae soc/qman: Fix direct access to fd's addr_lo, use proper accesor
Use the proper accessor to get the FD address.
Accessing the internal field "addr_lo" directly is not portable
and error prone.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:42 -06:00
Claudiu Manoil 333e72cf47 soc/qbman: Fix resource leak on portal probing error path
In case init_pcfg() returns with error the CI region
must be unmapped too.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:41 -06:00
Claudiu Manoil d95cb0d361 soc/qman: Fix h/w resource cleanup error path handling
qman_query_fq*() may return other error codes apart from
-ERANGE, in which cases the error handling done by the
resource cleanup callers would be wrong.  The patch
fixes the handling of those cases, and cleans up related
code inside the resource cleanup & release handlers (i.e.
replace hardcoded fqid value with corresponding define).

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:40 -06:00
Madalin Bucur 2f28d218d4 soc/qman: Replace of_get_property() with portable equivalent
Use arch portable of_property_read_u32() instead, which takes
care of endianness conversions.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:39 -06:00
Madalin Bucur 02b7d2a833 soc/qman: Check ioremap return value
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:38 -06:00
Colin Ian King 57907a73e0 soc/fsl: fix spelling mistakes in critical error messages
Trivial fix to spelling mistake "uncommited" to "uncommitted" in
critical error messages.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-22 01:29:48 -06:00
Olof Johansson b029ffe00c soc: tegra: Core SoC changes for v4.10-rc1
This contains mostly cleanup and new feature work on the power
 management controller as well as the addition of a Kconfig symbol for
 the new Tegra186 (Parker) SoC generation.
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Merge tag 'tegra-for-4.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc: tegra: Core SoC changes for v4.10-rc1

This contains mostly cleanup and new feature work on the power
management controller as well as the addition of a Kconfig symbol for
the new Tegra186 (Parker) SoC generation.

* tag 'tegra-for-4.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Use consistent naming for PM domains
  soc/tegra: pmc: Remove genpd when adding provider fails
  soc/tegra: pmc: Check return code for pm_genpd_init()
  soc/tegra: pmc: Clean-up I/O rail error messages
  soc/tegra: pmc: Simplify IO rail bit handling
  soc/tegra: pmc: Guard against uninitialised PMC clock
  soc/tegra: pmc: Add I/O pad voltage support
  soc/tegra: pmc: Use consistent ordering of bit definitions
  soc/tegra: pmc: Correct type of variable for tegra_pmc_readl()
  soc/tegra: pmc: Use BIT macro for register field definition

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-11-18 18:42:33 -08:00
Olof Johansson dd3eedd338 mailbox: Add Tegra HSP driver
This contains the device tree bindings and a driver for the Tegra HSP, a
 hardware block that provides hardware synchronization primitives and is
 the foundation for inter-processor communication between CPU and BPMP.
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Merge tag 'tegra-for-4.10-mailbox' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

mailbox: Add Tegra HSP driver

This contains the device tree bindings and a driver for the Tegra HSP, a
hardware block that provides hardware synchronization primitives and is
the foundation for inter-processor communication between CPU and BPMP.

* tag 'tegra-for-4.10-mailbox' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  mailbox: tegra-hsp: Use after free in tegra_hsp_remove_doorbells()
  mailbox: Add Tegra HSP driver
  dt-bindings: mailbox: Add Tegra HSP binding
  soc/tegra: Add Tegra186 support

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-11-18 18:23:06 -08:00
Olof Johansson e87c077ff6 - prepare mtk-scpsys to for multi soc support
- add support for mt2701 to mtk-scpsys
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Merge tag 'v4.9-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

- prepare mtk-scpsys to for multi soc support
- add support for mt2701 to mtk-scpsys

* tag 'v4.9-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: Add MT2701 scpsys driver
  soc: mediatek: Refine scpsys to support multiple platform

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-11-17 23:46:51 -08:00
Olof Johansson 7558341659 Changes to the power-domain driver including counter presets now being set
by firmware on the rk3399, avoiding infite loops when powering on/off a
 domain and actually returning an error if power-domain addition fails.
 The last part requires usage of the (new in 4.9-rc1) pm_genpd_remove
 functionality as well.
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Merge tag 'v4.10-rockchip-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Changes to the power-domain driver including counter presets now being set
by firmware on the rk3399, avoiding infite loops when powering on/off a
domain and actually returning an error if power-domain addition fails.
The last part requires usage of the (new in 4.9-rc1) pm_genpd_remove
functionality as well.

* tag 'v4.10-rockchip-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: Handle errors from of_genpd_add_provider_onecell
  soc: rockchip: power-domain: use pm_genpd_remove in error cleanup
  soc: rockchip: power-domain: avoid infinite loop
  soc: rockchip: power-domain: Don't (incorrectly) set rk3399 up/down counts

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-11-17 23:31:18 -08:00
Thierry Reding 4522112069 soc/tegra: pmc: Use consistent naming for PM domains
The various error messages refer to the PM domains as "power domain",
"genpd" and "PM domain". That's confusing, so convert all error messages
to use the most prominent: "PM domain".

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:56 +01:00
Jon Hunter 0b137340d0 soc/tegra: pmc: Remove genpd when adding provider fails
Commit 3fe577107c ("PM / Domains: Add support for removing PM
domains") add support for removing PM domains. Update the Tegra PMC
driver to remove PM domains if we fail to add a provider for the PM
domain.

Please note that the code under 'power_on_cleanup' label does not
really belong in the clean-up error path for tegra_powergate_add().
To keep the error path simple, remove this label and move the
associated code to where it needs to be invoked.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:55 +01:00
Jon Hunter cd5ceda27d soc/tegra: pmc: Check return code for pm_genpd_init()
Commit 7eb231c337 ("PM / Domains: Convert pm_genpd_init() to return
an error code") updated pm_genpd_init() to return an error code. Update
the Tegra PMC driver to check the return value from pm_genpd_init() and
handle any errors returned.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
[treding@nvidia.com: use pr_err() instead of dev_err()]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:54 +01:00
Thierry Reding 54e247211f soc/tegra: pmc: Clean-up I/O rail error messages
Use pr_err() instead of dev_err() when the pmc->dev field has not been
initialized yet and add a few missing error messages as well as remove
duplicate ones.

Based on work by Jon Hunter <jonathanh@nvidia.com>.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:53 +01:00
Jon Hunter 27b12b4e58 soc/tegra: pmc: Simplify IO rail bit handling
The function tegra_io_rail_prepare() converts the IO rail ID into a
bit position that is used to check the status and control the IO rail
in the PMC registers. However, rather than converting to a bit position
it is more useful to convert to a bit-mask because this is what is
actually used. By doing so the BIT() marco only needs to be used once
and we can use the IO_DPD_REQ_CODE_MASK when checking for erroneous rail
IDs.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
[treding@nvidia.com: rebase and rename bit -> mask]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:53 +01:00
Jon Hunter f4392d6da5 soc/tegra: pmc: Guard against uninitialised PMC clock
It is possible for the public functions, tegra_io_rail_power_on/off()
to be called before the PMC device has been probed. If this happens
then the pmc->clk member will not be initialised and the call to
clk_get_rate() in tegra_io_rail_prepare() will return zero and lead
to a divide-by-zero exception. The function clk_get_rate() will return
zero if a NULl clk pointer is passed. Therefore, rather that checking
if pmc->clk is initialised, fix this by checking the return value for
clk_get_rate() to make sure it is not zero.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:52 +01:00
Laxman Dewangan 21b4991051 soc/tegra: pmc: Add I/O pad voltage support
I/O pins on Tegra SoCs are grouped into so-called I/O pads. Each such
pad can be used to control the common voltage signal level and power
state of the pins in the given pad.

I/O pads can be powered down even if the system is active, which can
save power from that I/O interface. For SoC generations prior to
Tegra124 the I/O pad voltage is automatically detected and hence the
system software doesn't need to configure it. However, starting with
Tegra210 the detection logic has been removed, so explicit control of
the I/O pad voltage by system software is required.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:51 +01:00
Thierry Reding 95b780b3d7 soc/tegra: pmc: Use consistent ordering of bit definitions
Bit definitions are sorted in decreasing order by offset. Apply the same
ordering to all definitions.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:51 +01:00
Laxman Dewangan 84cf85ea6e soc/tegra: pmc: Correct type of variable for tegra_pmc_readl()
The function tegra_pmc_readl() returns the u32 type data and hence
change the data type of variable where this data is stored to u32
type.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:50 +01:00
Laxman Dewangan 6c0bd217c3 soc/tegra: pmc: Use BIT macro for register field definition
Use BIT macro for register field definition and make constant as U
when using in shift operator like (3 << 30) to (3U << 30)

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:51:49 +01:00
Joseph Lo 25a0644265 soc/tegra: Add Tegra186 support
The Tegra186 features a combination of Denver and Cortex-A57 CPU cores
and a GPU based on the Pascal architecture. It contains an ADSP with a
Cortex-A9 CPU used for audio processing, hardware video encoders and
decoders with multi-format support, ISP for image capture processing
and BPMP for power management.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-11-15 15:50:50 +01:00
Tomeu Vizoso dabc0259db soc: rockchip: power-domain: Handle errors from of_genpd_add_provider_onecell
It was a bit surprising that the device was reported to have probed just
fine, but the provider hadn't been registered.

So handle any errors when registering the provider and fail the probe
accordingly.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-11-11 02:14:59 +01:00
Heiko Stuebner 79d12b7a7f soc: rockchip: power-domain: use pm_genpd_remove in error cleanup
The newly introduced pm_genpd_remove reverts the initialization done
by pm_genpd_init and is necessary in the error path of the rockchip
power-domain driver.

Without it the driver will in the error case cleanup the devm-allocated
structures including the elements referenced in the gpd_list thus making
deactivation of unused domains (and probably later genpd accesses as
well) fail by accessing invalid pointers.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-11-11 02:14:59 +01:00
Geert Uytterhoeven 527c02f66d soc: renesas: Add R-Car RST driver
Add a driver for the Renesas R-Car Gen1 RESET/WDT and R-Car Gen2/Gen3
and RZ/G RST module.

For now this driver just provides an API to obtain the state of the mode
pins, as latched at reset time.  As this is typically called from the
probe function of a clock driver, which can run much earlier than any
initcall, calling rcar_rst_read_mode_pins() just forces an early
initialization of the driver.

Despite the current simple and almost identical handling for all
supported SoCs, the driver matches against SoC-specific compatible
values, as the features provided by the hardware module differ a lot
across the various SoC families and members.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
2016-11-02 20:43:07 +01:00
Caesar Wang e4c8cd82d5 soc: rockchip: power-domain: avoid infinite loop
In some cases, we have met the infinite loop in
rockchip_pmu_set_idle_request() or rockchip_do_pmu_set_power_domain().

As the crosbug.com/p/57351 reported, the boot hangs right after this
[1.629163] bootconsole [uart8250] disabled
[1.639286] [drm:drm_core_init] Initialized drm 1.1.0 20060810
[1.645926] [drm:drm_get_platform_dev] Initialized vgem 1.0.0 20120112..
[1.654558] iommu: Adding device ff8f0000.vop to group 0
[1.660569] iommu: Adding device ff900000.vop to group 1
<hang>

This patch adds the error message and timeout to avoid infinite loop if
it fails to get the ack.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-11-02 00:17:59 +01:00
Shunli Wang 112ef1882e soc: mediatek: Add MT2701 scpsys driver
Add scpsys driver for MT2701.

mtk-scpsys now supports MT8173 (arm64) and MT2701 (arm). So it should
be enabled on both arm64 and arm platforms.

Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-10-31 00:58:58 +01:00
James Liao 6078c65194 soc: mediatek: Refine scpsys to support multiple platform
Refine scpsys driver common code to support multiple SoC / platform.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-10-31 00:55:10 +01:00
Sergei Shtylyov 603311ba97 soc: renesas: rcar-sysc: add R8A7743 support
Add support for RZ/G1M (R8A7743) SoC power areas to the R-Car SYSC driver.

Based on the original (and large) patch by Dmitry Shifrin
<dmitry.shifrin@cogentembedded.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-10-17 08:21:20 +02:00
Douglas Anderson 3f2fe461c7 soc: rockchip: power-domain: Don't (incorrectly) set rk3399 up/down counts
On rk3288 it was important that powerdown and powerup counts for the
CPU/GPU in the kernel because:
* The power on default was crazy long.
* We couldn't rely on the firmware to set this up because really this
  wasn't the firmware's job--the kernel was the only one that really
  cared about bringing up / down CPUs and the GPU and doing suspend /
  resume (which involves bringing up / down CPUs).

On newer ARM systems (like rk3399) ARM Trusted Firmware is in charge of
bringing up and down the CPUs and it really should be in charge of
setting all these counts right.  After all ATF is in charge of suspend /
resume and CPU up / down.  Let's get out of the way and let ATF do its
job.

A few other motivations for doing this:
* Depending on another configuration (PMU_24M_EN_CFG) these counts can
  be either in 24M or 32k cycles.  Thus, though ATF isn't really so
  involved in bringing up the GPU, ATF should probably manage the counts
  for everything so it can also manage the 24M / 32k choice.
* It turns out that (right now) 24M mode is broken on rk3399 and not
  being used.  That means that the count the kernel was programming
  in (24) was not 1 us (which it seems was intended) but was actually
  .75 ms
* On rk3399 there are actually 2 separate registers for setting CPU
  up/down time plus 1 register for GPU up/down time.  The curent kernel
  code actually was putting the register for the "little" cores in the
  "CPU" slot and the register for the "big" cores in the "GPU" slot.  It
  was never initting the GPU counts.

Note: this change assumes that ATF will actually set these values at
boot, as I'm proposing in <http://crosreview.com/372381>.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
[ATF change has landed]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-10-16 02:42:29 +02:00
Linus Torvalds d8bfb96a2e powerpc updates for 4.9
Freescale updates from Scott:
 
 "Highlights include qbman support (a prerequisite for datapath drivers
 such as ethernet), a PCI DMA fix+improvement, reset handler changes, more
 8xx optimizations, and some cleanups and fixes."
 
 Fixes:
  - selftests/powerpc: Add missing binaries to .gitignores (Michael Ellerman)
  - selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes (Michael Ellerman)
  - powerpc/pseries: Fix stack corruption in htpe code (Laurent Dufour)
  - powerpc/64s: Fix power4_fixup_nap placement (Nicholas Piggin)
  - powerpc/64: Fix incorrect return value from __copy_tofrom_user (Paul Mackerras)
  - powerpc/mm/hash64: Fix might_have_hea() check (Michael Ellerman)
 
 Other:
  - MAINTAINERS: Remove myself from PA Semi entries (Olof Johansson)
  - MAINTAINERS: Drop separate pseries entry (Michael Ellerman)
  - MAINTAINERS: Update powerpc website & add selftests (Michael Ellerman)
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Merge tag 'powerpc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc updates from Michael Ellerman:
 "Some more powerpc updates for 4.9:

  Freescale updates from Scott Wood:
   - qbman support (a prerequisite for datapath drivers such as ethernet)
   - a PCI DMA fix+improvement
   - reset handler changes
   - more 8xx optimizations
   - some cleanups and fixes.'

  Fixes:
   - selftests/powerpc: Add missing binaries to .gitignores (Michael Ellerman)
   - selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes (Michael Ellerman)
   - powerpc/pseries: Fix stack corruption in htpe code (Laurent Dufour)
   - powerpc/64s: Fix power4_fixup_nap placement (Nicholas Piggin)
   - powerpc/64: Fix incorrect return value from __copy_tofrom_user (Paul Mackerras)
   - powerpc/mm/hash64: Fix might_have_hea() check (Michael Ellerman)

  Other:
   - MAINTAINERS: Remove myself from PA Semi entries (Olof Johansson)
   - MAINTAINERS: Drop separate pseries entry (Michael Ellerman)
   - MAINTAINERS: Update powerpc website & add selftests (Michael Ellerman):

* tag 'powerpc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (35 commits)
  powerpc/mm/hash64: Fix might_have_hea() check
  powerpc/64: Fix incorrect return value from __copy_tofrom_user
  powerpc/64s: Fix power4_fixup_nap placement
  powerpc/pseries: Fix stack corruption in htpe code
  selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes
  MAINTAINERS: Update powerpc website & add selftests
  MAINTAINERS: Drop separate pseries entry
  MAINTAINERS: Remove myself from PA Semi entries
  selftests/powerpc: Add missing binaries to .gitignores
  arch/powerpc: Add CONFIG_FSL_DPAA to corenetXX_smp_defconfig
  soc/qman: Add self-test for QMan driver
  soc/bman: Add self-test for BMan driver
  soc/fsl: Introduce DPAA 1.x QMan device driver
  soc/fsl: Introduce DPAA 1.x BMan device driver
  powerpc/8xx: make user addr DTLB miss the short path
  powerpc/8xx: Move additional DTLBMiss handlers out of exception area
  powerpc/8xx: use r3 to scratch CR in ITLBmiss
  soc/fsl/qe: fix gpio save_regs functions
  powerpc/8xx: add dedicated machine check handler
  powerpc/8xx: add system_reset_exception
  ...
2016-10-14 11:07:42 -07:00
Linus Torvalds 6afd563d4b ARM: SoC driver updates for v4.9
Driver updates for ARM SoCs, including a couple of newly added drivers:
 
 - The Qualcomm external bus interface 2 (EBI2), used in some of their
   mobile phone chips for connecting flash memory, LCD displays or
   other peripherals
 
 - Secure monitor firmware for Amlogic SoCs, and an NVMEM driver for the
   EFUSE based on that firmware interface.
 
 - Perf support for the AppliedMicro X-Gene performance monitor unit
 
 - Reset driver for STMicroelectronics STM32
 
 - Reset driver for SocioNext UniPhier SoCs
 
 Aside from these, there are minor updates to SoC-specific bus,
 clocksource, firmware, pinctrl, reset, rtc and pmic drivers.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, including a couple of newly added
  drivers:

   - The Qualcomm external bus interface 2 (EBI2), used in some of their
     mobile phone chips for connecting flash memory, LCD displays or
     other peripherals

   - Secure monitor firmware for Amlogic SoCs, and an NVMEM driver for
     the EFUSE based on that firmware interface.

   - Perf support for the AppliedMicro X-Gene performance monitor unit

   - Reset driver for STMicroelectronics STM32

   - Reset driver for SocioNext UniPhier SoCs

  Aside from these, there are minor updates to SoC-specific bus,
  clocksource, firmware, pinctrl, reset, rtc and pmic drivers"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
  bus: qcom-ebi2: depend on HAS_IOMEM
  pinctrl: mvebu: orion5x: Generalise mv88f5181l support for 88f5181
  clk: mvebu: Add clk support for the orion5x SoC mv88f5181
  dt-bindings: EXYNOS: Add Exynos5433 PMU compatible
  clocksource: exynos_mct: Add the support for ARM64
  perf: xgene: Add APM X-Gene SoC Performance Monitoring Unit driver
  Documentation: Add documentation for APM X-Gene SoC PMU DTS binding
  MAINTAINERS: Add entry for APM X-Gene SoC PMU driver
  bus: qcom: add EBI2 driver
  bus: qcom: add EBI2 device tree bindings
  rtc: rtc-pm8xxx: Add support for pm8018 rtc
  nvmem: amlogic: Add Amlogic Meson EFUSE driver
  firmware: Amlogic: Add secure monitor driver
  soc: qcom: smd: Reset rx tail rather than tx
  memory: atmel-sdramc: fix a possible NULL dereference
  reset: hi6220: allow to compile test driver on other architectures
  reset: zynq: add driver Kconfig option
  reset: sunxi: add driver Kconfig option
  reset: stm32: add driver Kconfig option
  reset: socfpga: add driver Kconfig option
  ...
2016-10-07 21:23:40 -07:00
Claudiu Manoil e0b80f00bb arch/powerpc: Add CONFIG_FSL_DPAA to corenetXX_smp_defconfig
Enable the drivers on the powerpc arch.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:39:01 -05:00
Claudiu Manoil de77562339 soc/qman: Add self-test for QMan driver
Add self tests for the DPAA 1.x Queue Manager driver. The tests
ensure that the driver can properly enqueue and dequeue to/from
frame queues using the QMan portal infrastructure.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:39:00 -05:00
Claudiu Manoil 97e0d385b1 soc/bman: Add self-test for BMan driver
Add a self test for the DPAA 1.x Buffer Manager driver. This
test ensures that the driver can properly acquire and release
buffers using the BMan portal infrastructure.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:59 -05:00
Claudiu Manoil c535e923bb soc/fsl: Introduce DPAA 1.x QMan device driver
This driver enables the Freescale DPAA 1.x Queue Manager block.
QMan is a hardware accelerator that manages frame queues.  It allows
CPUs and other accelerators connected to the SoC datapath to enqueue
and dequeue ethernet frames, thus providing the infrastructure for
data exchange among CPUs and datapath accelerators.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:59 -05:00
Claudiu Manoil 1f9c0a7727 soc/fsl: Introduce DPAA 1.x BMan device driver
This driver enables the Freescale DPAA 1.x Buffer Manager block.
BMan is a hardware accelerator that manages buffer pools.  It allows
CPUs and other accelerators connected to the SoC datapath to acquire
and release buffers during data processing.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:58 -05:00
Christophe Leroy 5dc6f3fede soc/fsl/qe: fix gpio save_regs functions
of_mm_gpiochip_add_data() calls mm_gc->save_regs() before
setting the data. Therefore ->save_regs() cannot use
gpiochip_get_data()

An Oops is encountered without this fix.

fixes: 1e714e54b5 ("powerpc: qe_lib-gpio: use gpiochip data pointer")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: <stable@vger.kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:56 -05:00
Christophe Leroy 4d486e0083 soc/fsl/qe: fix Oops on CPM1 (and likely CPM2)
Commit 0e6e01ff69 ("CPM/QE: use genalloc to manage CPM/QE muram")
has changed the way muram is managed.
genalloc uses kmalloc(), hence requires the SLAB to be up and running.

On powerpc 8xx, cpm_reset() is called early during startup.
cpm_reset() then calls cpm_muram_init() before SLAB is available,
hence the following Oops.

cpm_reset() cannot be called during initcalls because the CPM is
needed for console.

This patch removes the call to cpm_muram_init() from cpm_reset().
cpm_muram_init() will be called from a new function called cpm_init()
which is declared as subsys_initcall, unless cpm_muram_alloc() is
called earlier for the serial console in which case cpm_muram_init()
will be called from there.

The reason for calling it from two places is that some drivers
(e.g. i2c-cpm) need some of the initialisations done by
cpm_muram_init() but don't call cpm_muram_alloc(). The console
driver calls cpm_muram_alloc() but some platforms might not use
the CPM serial ports for console.

[    0.000000] Unable to handle kernel paging request for data at address 0x00000008
[    0.000000] Faulting instruction address: 0xc01acce0
[    0.000000] Oops: Kernel access of bad area, sig: 11 []
[    0.000000] PREEMPT CMPC885
[    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.14-g0886ed8 
[    0.000000] task: c05183e0 ti: c0536000 task.ti: c0536000
[    0.000000] NIP: c01acce0 LR: c0011068 CTR: 00000000
[    0.000000] REGS: c0537e50 TRAP: 0300   Not tainted (4.4.14-s3k-dev-g0886ed8-svn)
[    0.000000] MSR: 00001032 <ME,IR,DR,RI>  CR: 28044428  XER: 00000000
[    0.000000] DAR: 00000008 DSISR: c0000000
GPR00: c0011068 c0537f00 c05183e0 00000000 00009000 ffffffff 00000bc0 ffffffff
GPR08: ff003000 ff00b000 ff003bbf 00000000 22044422 100d43a8 00000000 07ff94e8
GPR16: 00000000 07bb5d70 00000000 07ff81f4 07ff81f4 07ff81f4 00000000 00000000
GPR24: 07ffb3a0 07fe7628 c0550000 c7ffa190 c0540000 ff003bbf 00000000 00000001
[    0.000000] NIP [c01acce0] gen_pool_add_virt+0x14/0xdc
[    0.000000] LR [c0011068] cpm_muram_init+0xd4/0x18c
[    0.000000] Call Trace:
[    0.000000] [c0537f00] [00000200] 0x200 (unreliable)
[    0.000000] [c0537f20] [c0011068] cpm_muram_init+0xd4/0x18c
[    0.000000] [c0537f70] [c0494684] cpm_reset+0xb4/0xc8
[    0.000000] [c0537f90] [c0494c64] cmpc885_setup_arch+0x10/0x30
[    0.000000] [c0537fa0] [c0493cd4] setup_arch+0x130/0x168
[    0.000000] [c0537fb0] [c04906bc] start_kernel+0x88/0x380
[    0.000000] [c0537ff0] [c0002224] start_here+0x38/0x98
[    0.000000] Instruction dump:
[    0.000000] 91430010 91430014 80010014 83e1000c 7c0803a6 38210010 4e800020 7c0802a6
[    0.000000] 9421ffe0 bf61000c 90010024 7c7e1b78 <80630008> 7c9c2378 7cc31c30 3863001f
[    0.000000] ---[ end trace dc8fa200cb88537f ]---

fixes: 0e6e01ff69 ("CPM/QE: use genalloc to manage CPM/QE muram")
Cc: stable@vger.linux.org
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[scottwood: Removed some string changes unrelated to bugfix]
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:52 -05:00
Julia Lawall 74c269f69c fsl/qe: use of_property_read_bool
Use of_property_read_bool to check for the existence of a property.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2;
statement S2,S1;
@@
-       if (of_get_property(e1,e2,NULL))
+       if (of_property_read_bool(e1,e2))
        S1 else S2
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:51 -05:00
Zhao Qiang 5066943a51 soc/fsl/qe: Use of_adress_to_resource() in get_qe_base()
modify get_qe_base function with of_address_to_resource
instead of of_get_property and of_translate_address.

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-24 23:01:17 -05:00
Vaishali Thakkar 40f1ebd4e0 soc/fsl/qe: Use resource_size
Use the function resource_size instead of explicit computation.

Problem found using Coccinelle.

Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-24 22:46:55 -05:00
Arnd Bergmann 70e0588355 - extent the waiting time of the pmic wrapper to 10 ms which
reduces the failure rate on the data transfer between pmic and
 pmic wrapper.
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Merge tag 'v4.8-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Pull "ARM: mediatek: soc updates for v4.9" from Matthias Brugger:

extent the waiting time of the pmic wrapper to 10 ms which
reduces the failure rate on the data transfer between pmic and
pmic wrapper.

* tag 'v4.8-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: PMIC wrap: Extend the waiting time to 10ms.
2016-09-19 10:52:43 +02:00
Arnd Bergmann bdfb3af1b3 soc/tegra: Changes for v4.9-rc1
This contains a single patch to fix an issue with setting the deep power
 down mode of I/O rails.
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Merge tag 'tegra-for-4.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Pull "soc/tegra: Changes for v4.9-rc1" from Thierry Reding:

This contains a single patch to fix an issue with setting the deep power
down mode of I/O rails.

* tag 'tegra-for-4.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Fix incorrect DPD request
2016-09-15 00:41:12 +02:00
Arnd Bergmann fceec41b68 Qualcomm ARM Based Driver Updates for v4.9
* Silence smem probe defer messages
 * Make scm explicitly non-modular
 * Assorted SMD bug fixes and minor changes
 * Add PM8018 RTC support
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Merge tag 'qcom-drivers-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.9" from Andy Gross:

* Silence smem probe defer messages
* Make scm explicitly non-modular
* Assorted SMD bug fixes and minor changes
* Add PM8018 RTC support

* tag 'qcom-drivers-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  rtc: rtc-pm8xxx: Add support for pm8018 rtc
  soc: qcom: smd: Reset rx tail rather than tx
  soc: qcom: smd: Represent smd edges as devices
  soc: qcom: smd: Request irqs after parsing properties
  soc: qcom: smd: Simplify multi channel handling
  soc: qcom: smd: Correct compile stub prototypes
  firmware: qcom_scm: make it explicitly non-modular
  soc: qcom: smem: Silence probe defer error
2016-09-15 00:18:56 +02:00
Jon Hunter 8d68c3713a ARM: EXYNOS: Remove calls to of_genpd_get_from_provider()
Update the EXYNOS PM domain code to use the of_genpd_add_subdomain()
and remove any calls to of_genpd_get_from_provider().

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-13 02:49:33 +02:00
Bjorn Andersson 4e21a95d7f soc: qcom: smd: Reset rx tail rather than tx
The local end of each SMD channel is responsible for updating the tx
head and the rx tail, as such we should not touch the tx tail during a
reset.

Reported-by: Jeremy McNicoll <jmcnicol@redhat.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-09-01 14:19:50 -05:00
Bjorn Andersson da0573026c soc: qcom: smd: Represent smd edges as devices
By representing each edge as its own device the channels are no longer
tied to being parented by the same smd device and as such an edge can
live as children of e.g. remoteproc instances.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:33 -05:00
Bjorn Andersson 381a0b4ce4 soc: qcom: smd: Request irqs after parsing properties
The code exectued by the interrupt handler depends on the values parsed
after requesting the irq, just to be save we should therefor move the
request_irq() call to be done after parsing the properties.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:33 -05:00
Bjorn Andersson 0a0c08cae0 soc: qcom: smd: Simplify multi channel handling
Multi-channel clients split between several drivers need a way to close
individual channels, as these drivers might be removed individually.
With this in place the responsibility of closing additionally opened
channels to the client as well only concerning smd about the primary
channel.

With this approach we will only trigger removal of SMD devices based on
the state of the primary channel, however we get in sync with how rpmsg
works.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:32 -05:00
Stephen Boyd 951a5af922 soc: qcom: smem: Silence probe defer error
If we fail to get the hwspinlock due to probe defer, we shouldn't
print an error message. Just be silent in this case.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:32 -05:00
Henry Chen e180f887ba soc: mediatek: PMIC wrap: Extend the waiting time to 10ms.
Read data fails sometimes because of a timeout that PMIC cannot transfer data
to PMIC wrap on time, extend the waiting time to 10ms to reduce the failed
rate.

Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-08-22 19:31:36 +02:00
Elaine Zhang 6f27ab3e42 soc: rockchip: support active_wakeup for rockchip power-domains
Register gpd_dev_ops.active_wakeup function to support keep power
during suspend state. And add flag to each power domain to
decide whether keep power during suspend or not.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-08-19 00:37:20 +02:00
Vince Hsu a9ccc123a8 soc/tegra: pmc: Fix incorrect DPD request
Reading the DPD_REQ & DPD2_REQ registers returns the previous requests.
If we sets the current request bit with the returned value, then other
pads will be turned on or off unexpectedly.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-16 12:30:52 +02:00
Linus Torvalds 43a0a98aa8 ARM: SoC driver updates for v4.8
Driver updates for ARM SoCs.
 
 A slew of changes this release cycle. The reset driver tree, that we merge
 through arm-soc for historical reasons, is also sizable this time around.
 
 Among the changes:
 
  - clps711x: Treewide changes to compatible strings, merged here for simplicity.
  - Qualcomm: SCM firmware driver cleanups, move to platform driver
  - ux500: Major cleanups, removal of old mach-specific infrastructure.
  - Atmel external bus memory driver
  - Move of brcmstb platform to the rest of bcm
  - PMC driver updates for tegra, various fixes and improvements
  - Samsung platform driver updates to support 64-bit Exynos platforms
  - Reset controller cleanups moving to devm_reset_controller_register() APIs
  - Reset controller driver for Amlogic Meson
  - Reset controller driver for Hisilicon hi6220
  - ARM SCPI power domain support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for ARM SoCs.

  A slew of changes this release cycle.  The reset driver tree, that we
  merge through arm-soc for historical reasons, is also sizable this
  time around.

  Among the changes:

   - clps711x: Treewide changes to compatible strings, merged here for simplicity.
   - Qualcomm: SCM firmware driver cleanups, move to platform driver
   - ux500: Major cleanups, removal of old mach-specific infrastructure.
   - Atmel external bus memory driver
   - Move of brcmstb platform to the rest of bcm
   - PMC driver updates for tegra, various fixes and improvements
   - Samsung platform driver updates to support 64-bit Exynos platforms
   - Reset controller cleanups moving to devm_reset_controller_register() APIs
   - Reset controller driver for Amlogic Meson
   - Reset controller driver for Hisilicon hi6220
   - ARM SCPI power domain support"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
  ARM: ux500: consolidate base platform files
  ARM: ux500: move soc_id driver to drivers/soc
  ARM: ux500: call ux500_setup_id later
  ARM: ux500: consolidate soc_device code in id.c
  ARM: ux500: remove cpu_is_u* helpers
  ARM: ux500: use CLK_OF_DECLARE()
  ARM: ux500: move l2x0 init to .init_irq
  mfd: db8500 stop passing around platform data
  ASoC: ab8500-codec: remove platform data based probe
  ARM: ux500: move ab8500_regulator_plat_data into driver
  ARM: ux500: remove unused regulator data
  soc: raspberrypi-power: add CONFIG_OF dependency
  firmware: scpi: add CONFIG_OF dependency
  video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
  input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
  pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
  serial: clps711x: Changing the compatibility string to match with the smallest supported chip
  irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
  clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
  clk: clps711x: Changing the compatibility string to match with the smallest supported chip
  ...
2016-08-01 18:36:01 -04:00
Linus Torvalds fbae5cbb43 ARM: SoC platform updates for v4.8
Improved and new platform support for various SoCs:
 
  - New SoC support:
    - Broadcom BCM23550
    - Freescale i.MX7Solo
    - Qualcomm MDM9615
    - Renesas r8a7792
  - Conversion of clps711x to multiplatform
  - debug uart improvements for Atmel platforms
  - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
  - OMAP tweaks and improvements to hwmod
  - OMAP support for kexec on SMP
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Improved and new platform support for various SoCs:

  New SoC support:
   - Broadcom BCM23550
   - Freescale i.MX7Solo
   - Qualcomm MDM9615
   - Renesas r8a7792

  Improvements:
   - convert clps711x to multiplatform
   - debug uart improvements for Atmel platforms
   - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
   - OMAP tweaks and improvements to hwmod
   - OMAP support for kexec on SMP"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
  ARM: davinci: fix build break because of undeclared dm365_evm_snd_data
  ARM: s3c64xx: smartq: Avoid sparse warnings
  ARM: sti: Implement dummy L2 cache's write_sec
  ARM: STi: Update machine _namestr to be more generic.
  arm: meson: explicitly select clk drivers
  ARM: tango: add Suspend-to-RAM support
  ARM: hisi: consolidate the hisilicon machine entries
  ARM: tango: fix CONFIG_HOTPLUG_CPU=n build
  MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry
  MAINTAINERS: Update BCM63XX entry
  MAINTAINERS: Add NS2 entry
  MAINTAINERS: Fix nsp false-positives
  MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries
  ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs
  ARM: clps711x: Switch to MULTIPLATFORM
  ARM: clps711x: Remove boards support
  ARM: clps711x: Add basic DT support
  ARM: clps711x: Reduce static map size
  ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu
  ARM: oxnas: Change OX810SE default driver config
  ...
2016-08-01 18:27:08 -04:00
Arnd Bergmann f8c6d88b2c Samsung drivers/soc update for v4.8, part 3
1. Fix size of allocation for Exynos SROM registers (too much was allocated).
 2. Constify fix.
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Merge tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Merge "Samsung drivers/soc update for v4.8, part 3" into next/drivers:

1. Fix size of allocation for Exynos SROM registers (too much was allocated).
2. Constify fix.

* tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pmu: Constify arrays with PMU data
  memory: samsung: exynos-srom: Fix wrong count of registers
2016-07-14 15:26:44 +02:00
Arnd Bergmann f1844aca29 This is a set of cleanups for the Ux500 that reduce the number
of machine-local files and boardfile-type data for regulators
 and ASoC.
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Merge tag 'ux500-cleanup-bundle' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/drivers

Merge "Ux500 cleanups from Arnd" from Linus Walleij:

This is a set of cleanups for the Ux500 that reduce the number
of machine-local files and boardfile-type data for regulators
and ASoC.

* tag 'ux500-cleanup-bundle' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: consolidate base platform files
  ARM: ux500: move soc_id driver to drivers/soc
  ARM: ux500: call ux500_setup_id later
  ARM: ux500: consolidate soc_device code in id.c
  ARM: ux500: remove cpu_is_u* helpers
  ARM: ux500: use CLK_OF_DECLARE()
  ARM: ux500: move l2x0 init to .init_irq
  mfd: db8500 stop passing around platform data
  ASoC: ab8500-codec: remove platform data based probe
  ARM: ux500: move ab8500_regulator_plat_data into driver
  ARM: ux500: remove unused regulator data
2016-07-14 15:23:19 +02:00
Arnd Bergmann 18a9927878 ARM: ux500: move soc_id driver to drivers/soc
As the ux500 id code is basically a standalone driver, we can move it
out of the arch code into drivers/soc/ux500.

This is a user-visible change, as it moves all the devices in sysfs
from /sys/devices/soc0/ to /sys/devices/ and leaves the soc0 node as a
separate device.

Originally the idea was to put all on-chip devices under the soc node,
and ux500 was the first platform to have this device, but later platforms
almost all didn't follow that pattern, so this makes the platform do
the same thing as everyone else.

Since the platform is really obsolete now, I am optimistic that nothing
will break after moving the devices around.

As the SoC driver no longer has access to the private header files,
I'm changing the code to instead look up the address of the backupram
from devicetree, which is a good idea anyway.

Finally, having a separate Kconfig symbol means the driver is now
optional and could even be a loadable module rather than always being
built-in if we allowed that for soc_device.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[Fixup mising Makefile, fixup BB_UID_BASE to fc0]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-07-12 11:24:09 +02:00
Arnd Bergmann 9bb45cd447 soc: raspberrypi-power: add CONFIG_OF dependency
We get a harmless warning if the RASPBERRYPI_POWER driver is enabled without
CONFIG_OF during compile testing:

warning: RASPBERRYPI_POWER selects PM_GENERIC_DOMAINS_OF which has unmet direct dependencies (PM_GENERIC_DOMAINS && OF)

There is no need to select PM_GENERIC_DOMAINS_OF if OF is set, so we can
replace the 'select' with a dependency.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Eric Anholt <eric@anholt.net>
2016-07-07 14:58:38 +02:00
Olof Johansson 358c79174a soc/tegra: Changes for v4.8-rc1
Contains fixes and cleanups to the PMC driver, as well as some fixes for
 the generic PM domain support and some prep work to support PCIe on 64-
 bit ARM.
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Merge tag 'tegra-for-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Changes for v4.8-rc1

Contains fixes and cleanups to the PMC driver, as well as some fixes for
the generic PM domain support and some prep work to support PCIe on 64-
bit ARM.

* tag 'tegra-for-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: Stub out PCIe IRQ workaround on 64-bit ARM
  soc/tegra: pmc: Enable XUSB partitions on boot
  soc/tegra: pmc: Initialise power partitions early
  soc/tegra: pmc: Add specific error messages
  soc/tegra: pmc: Use whitespace more consistently
  soc/tegra: pmc: Don't probe PMC if early initialisation fails
  soc/tegra: pmc: Add missing of_node_put()
  soc/tegra: pmc: Ensure mutex is always initialised
  soc/tegra: pmc: Don't populate SoC data until register space is mapped
  soc/tegra: pmc: Fix early initialisation of PMC
  soc/tegra: pmc: Ensure powergate is available when powering on
  soc/tegra: pmc: Initialise resets associated with a power partition
  soc/tegra: pmc: Use register definitions instead of magic values

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-06 22:34:19 -07:00
Olof Johansson b85751c761 Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.8
* Prepare for handling SYSC interrupt configuration purely
   from DT in the rcar-sysc driver for new SoCs, while preserving
   backward compatibility with old DTBs for R-Car H1, H2, and M2-W
 * Add R8A7792 support
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Merge tag 'renesas-rcar-sysc2-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.8

* Prepare for handling SYSC interrupt configuration purely
  from DT in the rcar-sysc driver for new SoCs, while preserving
  backward compatibility with old DTBs for R-Car H1, H2, and M2-W
* Add R8A7792 support

* tag 'renesas-rcar-sysc2-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Improve SYSC interrupt config in legacy wrapper
  soc: renesas: rcar-sysc: Move SYSC interrupt config to rcar-sysc driver
  soc: renesas: rcar-sysc: Make rcar_sysc_init() init the PM domains
  soc: renesas: rcar-sysc: Fix uninitialized error code in rcar_sysc_pd_init()
  soc: renesas: rcar-sysc: add R8A7792 support

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-06 22:12:04 -07:00
Krzysztof Kozlowski aec6341e2a soc: samsung: pmu: Constify arrays with PMU data
Arrays storing values for Power Management Unit for given sleep mode can
be made const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-07-06 10:35:45 +02:00
Olof Johansson 7cd4837ee2 Qualcomm ARM Based Driver Updates for v4.8
* Rework of SCM driver
 * Add file patterns for Qualcomm Maintainers entry
 * Add worker for wcnss_ctrl signaling
 * Fixes for smp2p
 * Update smem_state properties to match documentation
 * Add SCM Peripheral Authentication service
 * Expose SCM PAS command 10 as a reset controller
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Merge tag 'qcom-drivers-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Qualcomm ARM Based Driver Updates for v4.8

* Rework of SCM driver
* Add file patterns for Qualcomm Maintainers entry
* Add worker for wcnss_ctrl signaling
* Fixes for smp2p
* Update smem_state properties to match documentation
* Add SCM Peripheral Authentication service
* Expose SCM PAS command 10 as a reset controller

* tag 'qcom-drivers-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  firmware: qcom: scm: Expose PAS command 10 as reset-controller
  firmware: qcom: scm: Peripheral Authentication Service
  soc: qcom: Update properties for smem state referencing
  soc: qcom: smp2p: Drop io-accessors
  soc: qcom: smp2p: Correct addressing of outgoing value
  soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components
  firmware: qcom: scm: Add support for ARM64 SoCs
  firmware: qcom: scm: Convert to streaming DMA APIS
  firmware: qcom: scm: Generalize shared error map
  firmware: qcom: scm: Use atomic SCM for cold boot
  firmware: qcom: scm: Convert SCM to platform driver
  MAINTAINERS: Add file patterns for qcom device tree bindings

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-04 22:30:11 -07:00
Jon Hunter 8df127456f soc/tegra: pmc: Enable XUSB partitions on boot
The Tegra XHCI driver does not currently manage the Tegra XUSB power
partitions and so it these partitions have not been enabled by the
bootloader then the system will crash when probing the XHCI device.

While proper support for managing the power partitions is being
developed to the XHCI driver for Tegra, for now power on all the XUSB
partitions for USB host and super-speed on boot if the XHCI driver is
enabled.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 13:42:54 +02:00
Jon Hunter e2d1796053 soc/tegra: pmc: Initialise power partitions early
If CONFIG_PM_GENERIC_DOMAINS is not enabled, then power partitions
associated with a device will not be enabled automatically by the PM
core when the device is in use. To avoid situations where a device in
a power partition is to be used but the partition is not enabled,
initialise the power partitions for Tegra early in the boot process and
if CONFIG_PM_GENERIC_DOMAINS is not enabled, then power on all
partitions defined in the device-tree blob.

Note that if CONFIG_PM_GENERIC_DOMAINS is not enabled, after the
partitions are turned on, the clocks and resets used as part of the
sequence for turning on the partition are released again as they are no
longer needed by the PMC driver. Another benefit of this is that this
avoids any issues of sharing resets between the PMC driver and other
device drivers that may wish to independently control a particular
reset.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 13:41:46 +02:00
Jon Hunter c2710ac9f5 soc/tegra: pmc: Add specific error messages
When initialising a powergate, only a single error message is shown if
the initialisation fails. Add more error messages to give specific
details of what failed if the initialisation failed and remove the
generic failure message.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 13:30:40 +02:00
Thierry Reding da8f4b4589 soc/tegra: pmc: Use whitespace more consistently
Use blank lines after blocks and before labels for consistency with the
existing code in the file.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:31 +02:00
Jon Hunter a83f1fc3f3 soc/tegra: pmc: Don't probe PMC if early initialisation fails
Commit 0259f522e0 ('soc/tegra: pmc: Restore base address on probe
failure') fixes an issue where the PMC base address pointer is not
restored on probe failure. However, this fix creates another problem
where if early initialisation of the PMC driver fails and an initial
mapping for the PMC address space is not created, then when the PMC
device is probed, the PMC base address pointer will not be valid and
this will cause a crash when tegra_pmc_init() is called and attempts
to access a register.

Although the PMC address space is mapped a 2nd time during the probe
and so this could be fixed by populating the base address pointer
earlier during the probe, this adds more complexity to the code.
Moreover, the PMC probe also assumes the the soc data pointer is also
initialised when the device is probed and if not will also lead to a
crash when calling tegra_pmc_init_tsense_reset(). Given that if the
early initialisation does fail then something bad has happen, it seems
acceptable to allow the PMC device probe to fail as well. Therefore, if
the PMC base address pointer or soc data pointer are not valid when
probing the PMC device, WARN and return an error.

Fixes: 0259f522e0 ('soc/tegra: pmc: Restore base address on probe failure')
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:27 +02:00
Jon Hunter b69a625826 soc/tegra: pmc: Add missing of_node_put()
Add missing of_node_put() in PMC early initialisation function to avoid
leaking the device nodes.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
[treding@nvidia.com: squash in a couple more of_node_put() calls]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:08 +02:00
Jon Hunter 61fd284be8 soc/tegra: pmc: Ensure mutex is always initialised
The mutex used by the PMC driver may not be initialised if early
initialisation of the driver fails. If this does happen, then it could
be possible for callers of the public PMC functions to still attempt to
acquire the mutex. Fix this by initialising the mutex as soon as
possible to ensure it will always be initialised.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:07 +02:00
Jon Hunter 718a2426e8 soc/tegra: pmc: Don't populate SoC data until register space is mapped
The public functions exported by the PMC driver use the presence of the
SoC data pointer to determine if the PMC device is configured and the
registers can be accessed. However, the SoC data is populated before the
PMC register space is mapped and this opens a window where the SoC data
pointer is valid but the register space has not yet been mapped which
could lead to a crash. Furthermore, if the mapping of the PMC register
space fails, then the SoC data pointer is not cleared and so would
expose a larger window where a crash could occur.

Fix this by initialising the SoC data pointer after the PMC register
space has been mapped.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:22:22 +02:00
Jon Hunter 11131895cd soc/tegra: pmc: Fix early initialisation of PMC
During early initialisation, the available power partitions for a given
device is configured as well as the polarity of the PMC interrupt. Both
of which should only be configured if there is a valid device node for
the PMC device. This is because the soc data used for configuring the
power partitions is only available if a device node for the PMC is found
and the code to configure the interrupt polarity uses the device node
pointer directly.

Some early device-tree images may not have this device node and so fix
this by ensuring the device node pointer is valid when configuring these
items.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 11:52:51 +02:00
Jon Hunter 403db2d21c soc/tegra: pmc: Ensure powergate is available when powering on
The function tegra_power_sequence_power_up() is a public function used
to power on a partition. When this function is called, we do not check
to see if the partition being powered up is valid/available. Fix this
by checking to see that the partition is valid/available.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 11:48:39 +02:00
Jon Hunter 05cfb988a4 soc/tegra: pmc: Initialise resets associated with a power partition
When registering the Tegra power partitions with the generic PM domain
framework, the current state of the each partition is checked and used
as the default state for the partition. However, the state of each reset
associated with the partition is not initialised and so it is possible
that the state of the resets are not in the expected state. For example,
if a partition is on, then the resets should be de-asserted and if the
partition is off, the resets should be asserted.

There have been cases where the bootloader has powered on a partition
and only de-asserted some of the resets to some of the devices in the
partition. This can cause accesses to these devices to hang the system
when the kernel boots and attempts to probe these devices.

Ideally, the driver for the device should ensure the reset has been
de-asserted when probing, but the resets cannot be shared between the
PMC driver (that needs to de-assert/assert the reset when turning the
partition on or off) and another driver because we cannot ensure the
reset is in the correct state.

To ensure the resets are in the correct state, when using the generic
PM domain framework, put each reset associated with the partition in
the correct state (based upon the partition's current state) when
obtaining the resets for a partition.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 11:48:33 +02:00
Geert Uytterhoeven ced42730d1 soc: renesas: rcar-sysc: Improve SYSC interrupt config in legacy wrapper
Align SYSC interrupt configuration in the legacy wrapper with the DT
version:
  - Mask SYSC interrupt sources before enabling them (doesn't matter
    much as they're disabled at the GIC level anyway),
  - Make sure not to clear reserved SYSCIMR bits that were set before.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:37:24 +02:00
Geert Uytterhoeven 053239987f soc: renesas: rcar-sysc: Move SYSC interrupt config to rcar-sysc driver
On R-Car H1 and Gen2, the SYSC interrupt registers are always configured
using hardcoded values in platform code. For R-Car Gen2, values are
provided for H2 and M2-W only, other SoCs are not yet supported, and
never will be.

Move this configuration from SoC-specific platform code to the
rcar_sysc_init() wrapper, so it can be skipped if the SYSC is configured
from DT. This would be the case not only for H1, H2, and M2-W using a
modern DTS, but also for other R-Car Gen2 SoCs not supported by the
platform code, relying purely on DT.

There is no longer a need to return the mapped register block, hence
make the function return void.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:37:08 +02:00
Geert Uytterhoeven b1e52287a2 soc: renesas: rcar-sysc: Make rcar_sysc_init() init the PM domains
Let rcar_sysc_init() trigger initialization of the SYSC PM domains from
DT if called before the early_initcall.
On failure, it falls back to mapping the passed register block, as
before.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:36:51 +02:00
Geert Uytterhoeven 1023578ec3 soc: renesas: rcar-sysc: Fix uninitialized error code in rcar_sysc_pd_init()
On success, rcar_sysc_pd_init() returns an uninitialized error code.
Use the return value of of_genpd_add_provider_onecell() to fix this.

This went unnoticed, as early_initcall() doesn't care about the return
value.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:36:37 +02:00
Bjorn Andersson 3680a4a974 soc: qcom: Update properties for smem state referencing
Update the property names to match device tree bindings, the correct
values should be qcom,smem-states and qcom,smem-state-names.

Also update the #qcom,smem-state-cells for consistency, before we merge
any users of these properties.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 22:53:41 -05:00
Bjorn Andersson e7306dd751 soc: qcom: smp2p: Drop io-accessors
SMEM is now mapped write-combine and we can use memcpy to access the
name of the entires.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 13:34:00 -05:00
Bjorn Andersson 63af8e44ea soc: qcom: smp2p: Correct addressing of outgoing value
The valid_entries index should not be incremented until after we have
acquired the pointer to the value, or we will read and write data one
item off.

Fixes: 50e9964141 ("soc: qcom: smp2p: Qualcomm Shared Memory Point to Point")
Cc: stable@vger.kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 13:34:00 -05:00
Bjorn Andersson 6be2b3d084 soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components
We need the signal from wcnss_ctrl indicating that the firmware is up
and running before we can communicate with the other components of the
chip. So make these other components children of the wcnss_ctrl device,
so they can be probed in order.

The process seems to take between 1/2-5 seconds, so this is done in a
worker, instead of holding up the probe.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 13:34:00 -05:00
Olof Johansson 13d0b76b93 This pull request contains drivers related changes for Broadcom SoCs:
- Florian moves drivers/soc/brcmstb to drivers/soc/bcm/brcmstb to be consistent with
   how other SoCs are doing it
 
 - Chris provides a reset driver which is common to the BCM21664 and BCM23550 SoCs
 
 - Ben fixes a warning by providing the appropriate include file
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Merge tag 'arm-soc/for-4.8/drivers' of http://github.com/Broadcom/stblinux into next/drivers

This pull request contains drivers related changes for Broadcom SoCs:

- Florian moves drivers/soc/brcmstb to drivers/soc/bcm/brcmstb to be consistent with
  how other SoCs are doing it

- Chris provides a reset driver which is common to the BCM21664 and BCM23550 SoCs

- Ben fixes a warning by providing the appropriate include file

* tag 'arm-soc/for-4.8/drivers' of http://github.com/Broadcom/stblinux:
  soc: brcmstb: fix warning from missing include
  power: Introduce Broadcom kona reset driver
  soc: Move brcmstb to bcm/brcmstb

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-06-19 22:55:16 -07:00
Sergei Shtylyov 7e49c84598 soc: renesas: rcar-sysc: add R8A7792 support
Add support for R-Car V2H (R8A7792) SoC power areas to the SYSC driver.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-16 10:53:57 +09:00
Olof Johansson 735251aeb9 Renesas ARM Based SoC R-Car SYSC Updates for v4.8
e0c98b9171 soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
 74699228b9 soc: renesas: Add r8a7796 SYSC PM Domain Binding Definitions
 2ff1bf77e4 soc: renesas: rcar-sysc: Document r8a7796 support
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Merge tag 'renesas-rcar-sysc-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC R-Car SYSC Updates for v4.8

e0c98b9171 soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
74699228b9 soc: renesas: Add r8a7796 SYSC PM Domain Binding Definitions
2ff1bf77e4 soc: renesas: rcar-sysc: Document r8a7796 support

* tag 'renesas-rcar-sysc-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
  soc: renesas: Add r8a7796 SYSC PM Domain Binding Definitions
  soc: renesas: rcar-sysc: Document r8a7796 support

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-06-13 15:39:46 -07:00
Thierry Reding f5353c6050 soc/tegra: pmc: Use register definitions instead of magic values
Use register definitions for the main SoC reset operation instead of
hard-coding magic values. Note that the PMC_RST_STATUS register isn't
actually accessed, but since it is mentioned in a comment the
definitions are added for completeness.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-10 16:10:42 +02:00
Zhao Qiang 35ef1c20fd fsl/qe: Add QE TDM lib
QE has module to support TDM, some other protocols
supported by QE are based on TDM.
add a qe-tdm lib, this lib provides functions to the protocols
using TDM to configurate QE-TDM.

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-07 15:56:31 -07:00
Zhao Qiang bb8b2062af fsl/qe: setup clock source for TDM mode
Add tdm clock configuration in both qe clock system and ucc
fast controller.

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-07 15:56:30 -07:00
Zhao Qiang 68f047e3d6 fsl/qe: add rx_sync and tx_sync for TDM mode
Rx_sync and tx_sync are used by QE-TDM mode,
add them to struct ucc_fast_info.

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-07 15:56:30 -07:00
Ben Dooks a536bcc931 soc: brcmstb: fix warning from missing include
The brcmstb_biuctrl_init() is defined in the soc specific header
file, but wasn't included in the driver file. Fix the following
warning by including <linux/soc/brcmstb/brcmstb.h> in the driver:

drivers/soc/brcmstb/biuctrl.c:101:13: warning: symbol 'brcmstb_biuctrl_init' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-06-07 13:53:42 -07:00
Geert Uytterhoeven e0c98b9171 soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-06 10:14:21 +09:00
Florian Fainelli 34642650e5 soc: Move brcmstb to bcm/brcmstb
Unify the different Broadcom SoCs directory and have everybody live
under drivers/soc/bcm/*.

Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-05-31 11:06:34 -07:00
Krzysztof Kozlowski 9479f7cc91 soc: samsung: pm_domains: Enable COMPILE_TEST for build coverage
Introduce a platform selectable symbol EXYNOS_PM_DOMAINS which can be
also toggled on by COMPILE_TEST for some build coverage.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-05-30 09:12:57 +02:00
Krzysztof Kozlowski c028e17571 soc: samsung: pm_domains: Prepare for supporting ARMv8 Exynos
The ARMv8 Exynos family (Exynos5433 and Exynos7420) uses different value
(0xf instead of 0x7) for controlling the power domain on/off registers
(both for control and for status).

Choose the value depending on the compatible. This prepares the driver
for supporting ARMv8 SoCs.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
2016-05-30 09:12:53 +02:00
Krzysztof Kozlowski e465007a7a ARM: EXYNOS: Move pm_domains driver to drivers/soc/samsung
Exynos PM domains driver does not have mach-specific dependencies so it
can be safely moved out of arm/mach-exynos to drivers/soc. This in
future will allow re-using it on ARM64 boards.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
2016-05-30 09:12:49 +02:00
Arnd Bergmann 7f058c0a4a soc: mtk-pmic-wrap: avoid integer overflow warning
On ARM64, the mtk-pmic-wrap driver causes a harmless warning:

mtk-pmic-wrap.c:1062:16: warning: large integer implicitly truncated to unsigned type [-Woverflow]
mtk-pmic-wrap.c:1074:16: warning: large integer implicitly truncated to unsigned type [-Woverflow]
mtk-pmic-wrap.c:1086:16: warning: large integer implicitly truncated to unsigned type [-Woverflow]
  .int_en_all = ~(BIT(31) | BIT(1)),

The problem is that the result of the BIT() macro is an 'unsigned long',
so taking the bitwise NOT operation of that results in an integer
with the upper 32 bits all set and that cannot be assigned to a
'u32' variable without loss of information.

This is harmless because we were never interested in the upper bits
here anyway, so we can shut up the warning by adding a simple cast
to 'u32'.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-05-19 15:20:24 +02:00
Linus Torvalds 4a5219edcd ARM: SoC driver updates for v4.7
Driver updates for ARM SoCs, these contain various things that touch
 the drivers/ directory but got merged through arm-soc for practical
 reasons. For the most part, this is now related to power management
 controllers, which have not yet been abstracted into a separate
 subsystem, and typically require some code in drivers/soc or arch/arm
 to control the power domains.
 
 Another large chunk here is a rework of the NVIDIA Tegra USB3.0
 support, which was surprisingly tricky and took a long time to
 get done.
 
 Finally, reset controller handling as always gets merged through here
 as well.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, these contain various things that touch
  the drivers/ directory but got merged through arm-soc for practical
  reasons.

  For the most part, this is now related to power management
  controllers, which have not yet been abstracted into a separate
  subsystem, and typically require some code in drivers/soc or arch/arm
  to control the power domains.

  Another large chunk here is a rework of the NVIDIA Tegra USB3.0
  support, which was surprisingly tricky and took a long time to get
  done.

  Finally, reset controller handling as always gets merged through here
  as well"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  arm-ccn: Enable building as module
  soc/tegra: pmc: Add generic PM domain support
  usb: xhci: tegra: Add Tegra210 support
  usb: xhci: Add NVIDIA Tegra XUSB controller driver
  dt-bindings: usb: xhci-tegra: Add Tegra210 XUSB controller support
  dt-bindings: usb: Add NVIDIA Tegra XUSB controller binding
  PCI: tegra: Support per-lane PHYs
  dt-bindings: pci: tegra: Update for per-lane PHYs
  phy: tegra: Add Tegra210 support
  phy: Add Tegra XUSB pad controller support
  dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
  dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
  phy: core: Allow children node to be overridden
  clk: tegra: Add interface to enable hardware control of SATA/XUSB PLLs
  drivers: firmware: psci: make two helper functions inline
  soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
  soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
  soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
  ...
2016-05-18 13:14:02 -07:00
Linus Torvalds f7df9be067 ARM: DT updates for v4.7
These are all the updates to device tree files for 32-bit platforms,
 which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
 changesets, 450 files changed, 23340 insertions, 5216 deletions.
 
 The three platforms that are added with the "soc" branch are here as well,
 and we add some related machine files:
 
 - For Aspeed AST2400/AST2500, we get the evaluation platform and
   the Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
 - For Oxnas 810SE, the Western Digital "My Book World Edition"
   is added as the only platform at the moment.
 - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7)
   are supported
 
 On the ARM Realview development platform, we now support all machines
 with device tree, previously only the board files were supported, which
 in turn will likely be removed soon.
 
 Qualcomm IPQ4019 is the second generation ARM based "Internet Processor",
 following the IPQ806x that is used in many high-end WiFi routers. This one
 integrates two ath10k wifi radios that were previously on separate chips.
 
 Other boards that got added for existing chips are:
 
 - On Ti OMAP family:
   - Amazon Kindle Fire, first generation, tablet and ebook reader
   - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
   - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
     development systems
 
 - On Samsung EXYNOS platform:
   - Samsung ARTIK5 evaluation board, see
     https://www.artik.io/modules/overview/artik-5/
 
 - On NXP i.MX platforms:
   - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
     TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
     SoM modules
   - Embest MarS Board i.MX6Dual DIY platform
   - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and
     SoloX Nitrogen6sx embedded boards
   - Technexion Pico i.MX6UL compute module
   - ZII VF610 Development Board
 
 - On Marvell embedded (mvebu, orion, kirkwood) platforms:
   - Linksys Viper (E4200v2 / EA4500) WiFi router
   - Buffalo Kurobox Pro NAS
 
 - On Qualcomm Snapdragon:
   - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600
 
 - On Rockchips platform:
   - mqmaker MiQi single-board computer
 
 - On Altera SoCFPGA:
   - samtec VIN|ING 1000 vehicle communication interface
 
 - On Allwinner Sunxi platforms:
   - Dserve DSRV9703C tablet
   - Difrnce DIT4350 tablet
   - Colorfly E708 Q1 tablet
   - Polaroid MID2809PXE04 tablet
   - Olimex A20 OLinuXino LIME2 single board computer
   - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC
     single board computers
 
 Across many platforms, bug fixes went in to address warnings that
 dtc now emits with 'make dtbs W=1'. Further changes for device enablement
 went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router),
 Ti Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
 NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
 rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
 Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
 Versatile Express.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Arnd Bergmann:
 "These are all the updates to device tree files for 32-bit platforms,
  which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
  changesets, 450 files changed, 23340 insertions, 5216 deletions.

  The three platforms that are added with the "soc" branch are here as
  well, and we add some related machine files:

   - For Aspeed AST2400/AST2500, we get the evaluation platform and the
     Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
   - For Oxnas 810SE, the Western Digital "My Book World Edition" is
     added as the only platform at the moment.
   - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7) are
     supported

  On the ARM Realview development platform, we now support all machines
  with device tree, previously only the board files were supported,
  which in turn will likely be removed soon.

  Qualcomm IPQ4019 is the second generation ARM based "Internet
  Processor", following the IPQ806x that is used in many high-end WiFi
  routers.  This one integrates two ath10k wifi radios that were
  previously on separate chips.

  Other boards that got added for existing chips are:

  Ti OMAP family:
     - Amazon Kindle Fire, first generation, tablet and ebook reader
     - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
     - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
       development systems

  Samsung EXYNOS platform:
     - Samsung ARTIK5 evaluation board, see

        https://www.artik.io/modules/overview/artik-5/

  NXP i.MX platforms:
     - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
       TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
       SoM modules
     - Embest MarS Board i.MX6Dual DIY platform
     - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and SoloX
       Nitrogen6sx embedded boards
     - Technexion Pico i.MX6UL compute module
     - ZII VF610 Development Board

  Marvell embedded (mvebu, orion, kirkwood) platforms:
     - Linksys Viper (E4200v2 / EA4500) WiFi router
     - Buffalo Kurobox Pro NAS

  Qualcomm Snapdragon:
     - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600

  Rockchips platform:
     - mqmaker MiQi single-board computer

  Altera SoCFPGA:
     - samtec VIN|ING 1000 vehicle communication interface

  Allwinner Sunxi platforms:
     - Dserve DSRV9703C tablet
     - Difrnce DIT4350 tablet
     - Colorfly E708 Q1 tablet
     - Polaroid MID2809PXE04 tablet
     - Olimex A20 OLinuXino LIME2 single board computer
     - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC single board
       computers

  Across many platforms, bug fixes went in to address warnings that dtc
  now emits with 'make dtbs W=1'.  Further changes for device enablement
  went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router), Ti
  Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
  NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
  rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
  Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
  Versatile Express"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (458 commits)
  ARM: dts: tango4: Import watchdog node
  ARM: dts: tango4: Update cpus node for cpufreq
  ARM: dts: tango4: Update DT to match clk driver
  ARM: dts: tango4: Initial thermal support
  arm/dst: Add Aspeed ast2500 device tree
  arm/dts: Add Aspeed ast2400 device tree
  ARM: sun7i: dt: Add pll3 and pll7 clocks
  ARM: dts: sunxi: Add a olinuxino-lime2-emmc
  ARM: dts: at91: sama5d4: add trng node
  ARM: dts: at91: sama5d3: add trng node
  ARM: dts: at91: sama5d2: add trng node
  ARM: dts: at91: at91sam9g45 family: reduce the trng register map size
  ARM: sun4i: dt: Add pll3 and pll7 clocks
  ARM: sun5i: chip: Enable the TV Encoder
  ARM: sun5i: r8: Add display blocks to the DTSI
  ARM: sun5i: a13: Add display and TCON clocks
  ARM: dts: ux500: configure the accelerometers open drain
  ARM: mx5: dts: Enable USB OTG on M53EVK
  ARM: dts: imx6ul-14x14-evk: Add audio support
  ARM: dts: imx6qdl: Remove unneeded unit-addresses
  ...
2016-05-18 12:48:46 -07:00
Linus Torvalds f2b1e0f638 ARM: SoC cleanups and fixes for v4.7
Traditionally we've had two separate branches for cleanups and non-critical
 bug fixes, but both of these got smaller with each release and the differences
 are rather unclear now, so it seems more appropriate to have a combined
 branch.
 
 The most notably change is for OMAP, which gets a small rework to simplify
 handling of the AUXDATA mechanism used on machines that are not completely
 DT based yet, along with other work that is used as preparation for dropping
 the legacy board files.
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Merge tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups and fixes from Arnd Bergmann:
 "Traditionally we've had two separate branches for cleanups and
  non-critical bug fixes, but both of these got smaller with each
  release and the differences are rather unclear now, so it seems more
  appropriate to have a combined branch.

  The most notable change is for OMAP, which gets a small rework to
  simplify handling of the AUXDATA mechanism used on machines that are
  not completely DT based yet, along with other work that is used as
  preparation for dropping the legacy board files"

* tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
  ARM: dts: exynos: Fix regulator name to avoid forbidden character on exynos4210-trats
  ARM: dts: exynos: Add MFC memory banks for Peach boards
  ARM: OMAP2+: n900 needs MMC slot names for legacy user space
  ARM: OMAP2+: Add more functions to pwm pdata for ir-rx51
  ARM: debug: remove extraneous DEBUG_HI3716_UART option
  ARM: OMAP2+: Simplify auxdata by using the generic match
  of/platform: Allow secondary compatible match in of_dev_lookup
  ARM: davinci: use IRQCHIP_DECLARE for cp_intc
  ARM: davinci: remove unused DA8XX_NUM_UARTS
  ARM: davinci: simplify call to of populate
  ARM: DaVinci USB: removed deprecated properties from MUSB config
  ARM: rockchip: Fix use of plain integer as NULL pointer
  ARM: realview: hide unused 'pmu_device' object
  soc: versatile: dynamically detect RealView HBI numbers
2016-05-18 12:28:29 -07:00
Linus Torvalds 1eccc6e152 This is the bulk of GPIO changes for kernel cycle v4.7:
Core infrastructural changes:
 
 - Support for natively single-ended GPIO driver stages. This
   means that if the hardware has registers to configure open
   drain or open source configuration, we use that rather than
   (as we did before) try to emulate it by switching the line
   to an input to get high impedance. This is also documented
   throughly in Documentation/gpio/driver.txt for those of you
   who did not understand one word of what I just wrote.
 
 - Start to do away with the unnecessarily complex and
   unitelligible ARCH_REQUIRE_GPIOLIB and
   ARCH_WANT_OPTIONAL_GPIOLIB, another evolutional artifact from
   the time when the GPIO subsystem was unmaintained. Archs can
   now just select GPIOLIB and be done with it, cleanups to
   arches will trickle in for the next kernel. Some minor archs
   ACKed the changes immediately so these are included in this
   pull request.
 
 - Advancing the use of the data pointer inside the GPIO device
   for storing driver data by switching the PowerPC, Super-H
   Unicore and a few other subarches or subsystem drivers in
   ALSA SoC, Input, serial, SSB, staging etc to use it.
 
 - The initialization now reads the input/output state of the
   GPIO lines, so that each GPIO descriptor knows - if this
   callback is implemented - whether the line is input or
   output. This also reflects nicely in userspace "lsgpio".
 
 - It is now possible to name GPIO producer names, line names,
   from the device tree. (Platform data has been supported for
   a while.) I bet we will get a similar mechanism for ACPI
   one of those days. This makes is possible to get sensible
   producer names for e.g. GPIO rails in "lsgpio" in userspace.
 
 New drivers:
 
 - New driver for the Loongson1.
 
 - The XLP driver now supports Broadcom Vulcan ARM64.
 
 - The IT87 driver now supports IT8620 and IT8628.
 
 - The PCA953X driver now supports Galileo Gen2.
 
 Driver improvements:
 
 - MCP23S08 was switched to use the gpiolib irqchip helpers and
   now also suppors level-triggered interrupts.
 
 - 74x164 and RCAR now supports the .set_multiple() callback
 
 - AMDPT was converted to use generic GPIO.
 
 - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
   support the new single ended callback for open drain
   and in some cases open source.
 
 - Implement the .get_direction() callback for a few more drivers
   like PL061, Xgene.
 
 Cleanups:
 
 - Paul Gortmaker combed through the drivers and de-modularized
   those who are not really modules.
 
 - Move the GPIO poweroff DT bindings to the power subdir where
   they belong.
 
 - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
   point. That's what it is handling, nothing more, nothing less.
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Merge tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for kernel cycle v4.7:

  Core infrastructural changes:

   - Support for natively single-ended GPIO driver stages.

     This means that if the hardware has registers to configure open
     drain or open source configuration, we use that rather than (as we
     did before) try to emulate it by switching the line to an input to
     get high impedance.

     This is also documented throughly in Documentation/gpio/driver.txt
     for those of you who did not understand one word of what I just
     wrote.

   - Start to do away with the unnecessarily complex and unitelligible
     ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB, another
     evolutional artifact from the time when the GPIO subsystem was
     unmaintained.

     Archs can now just select GPIOLIB and be done with it, cleanups to
     arches will trickle in for the next kernel.  Some minor archs ACKed
     the changes immediately so these are included in this pull request.

   - Advancing the use of the data pointer inside the GPIO device for
     storing driver data by switching the PowerPC, Super-H Unicore and
     a few other subarches or subsystem drivers in ALSA SoC, Input,
     serial, SSB, staging etc to use it.

   - The initialization now reads the input/output state of the GPIO
     lines, so that each GPIO descriptor knows - if this callback is
     implemented - whether the line is input or output.  This also
     reflects nicely in userspace "lsgpio".

   - It is now possible to name GPIO producer names, line names, from
     the device tree.  (Platform data has been supported for a while).
     I bet we will get a similar mechanism for ACPI one of those days.
     This makes is possible to get sensible producer names for e.g.
     GPIO rails in "lsgpio" in userspace.

  New drivers:

   - New driver for the Loongson1.

   - The XLP driver now supports Broadcom Vulcan ARM64.

   - The IT87 driver now supports IT8620 and IT8628.

   - The PCA953X driver now supports Galileo Gen2.

  Driver improvements:

   - MCP23S08 was switched to use the gpiolib irqchip helpers and now
     also suppors level-triggered interrupts.

   - 74x164 and RCAR now supports the .set_multiple() callback

   - AMDPT was converted to use generic GPIO.

   - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
     support the new single ended callback for open drain and in some
     cases open source.

   - Implement the .get_direction() callback for a few more drivers like
     PL061, Xgene.

  Cleanups:

   - Paul Gortmaker combed through the drivers and de-modularized those
     who are not really modules.

   - Move the GPIO poweroff DT bindings to the power subdir where they
     belong.

   - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
     point.  That's what it is handling, nothing more, nothing less"

* tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (126 commits)
  MIPS: do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
  gpio: zevio: make it explicitly non-modular
  gpio: timberdale: make it explicitly non-modular
  gpio: stmpe: make it explicitly non-modular
  gpio: sodaville: make it explicitly non-modular
  pinctrl: sh-pfc: Let gpio_chip.to_irq() return zero on error
  gpio: dwapb: Add ACPI device ID for DWAPB GPIO controller on X-Gene platforms
  gpio: dt-bindings: add wd,mbl-gpio bindings
  gpio: of: make it possible to name GPIO lines
  gpio: make gpiod_to_irq() return negative for NO_IRQ
  gpio: xgene: implement .get_direction()
  gpio: xgene: Enable ACPI support for X-Gene GFC GPIO driver
  gpio: tegra: Implement gpio_get_direction callback
  gpio: set up initial state from .get_direction()
  gpio: rename gpio-generic.c into gpio-mmio.c
  gpio: generic: fix GPIO_GENERIC_PLATFORM is set to module case
  gpio: dwapb: add gpio-signaled acpi event support
  gpio: dwapb: convert device node to fwnode
  gpio: dwapb: remove name from dwapb_port_property
  gpio/qoriq: select IRQ_DOMAIN
  ...
2016-05-17 17:39:42 -07:00
Linus Torvalds a7fd20d1c4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Highlights:

   1) Support SPI based w5100 devices, from Akinobu Mita.

   2) Partial Segmentation Offload, from Alexander Duyck.

   3) Add GMAC4 support to stmmac driver, from Alexandre TORGUE.

   4) Allow cls_flower stats offload, from Amir Vadai.

   5) Implement bpf blinding, from Daniel Borkmann.

   6) Optimize _ASYNC_ bit twiddling on sockets, unless the socket is
      actually using FASYNC these atomics are superfluous.  From Eric
      Dumazet.

   7) Run TCP more preemptibly, also from Eric Dumazet.

   8) Support LED blinking, EEPROM dumps, and rxvlan offloading in mlx5e
      driver, from Gal Pressman.

   9) Allow creating ppp devices via rtnetlink, from Guillaume Nault.

  10) Improve BPF usage documentation, from Jesper Dangaard Brouer.

  11) Support tunneling offloads in qed, from Manish Chopra.

  12) aRFS offloading in mlx5e, from Maor Gottlieb.

  13) Add RFS and RPS support to SCTP protocol, from Marcelo Ricardo
      Leitner.

  14) Add MSG_EOR support to TCP, this allows controlling packet
      coalescing on application record boundaries for more accurate
      socket timestamp sampling.  From Martin KaFai Lau.

  15) Fix alignment of 64-bit netlink attributes across the board, from
      Nicolas Dichtel.

  16) Per-vlan stats in bridging, from Nikolay Aleksandrov.

  17) Several conversions of drivers to ethtool ksettings, from Philippe
      Reynes.

  18) Checksum neutral ILA in ipv6, from Tom Herbert.

  19) Factorize all of the various marvell dsa drivers into one, from
      Vivien Didelot

  20) Add VF support to qed driver, from Yuval Mintz"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1649 commits)
  Revert "phy dp83867: Fix compilation with CONFIG_OF_MDIO=m"
  Revert "phy dp83867: Make rgmii parameters optional"
  r8169: default to 64-bit DMA on recent PCIe chips
  phy dp83867: Make rgmii parameters optional
  phy dp83867: Fix compilation with CONFIG_OF_MDIO=m
  bpf: arm64: remove callee-save registers use for tmp registers
  asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
  switchdev: pass pointer to fib_info instead of copy
  net_sched: close another race condition in tcf_mirred_release()
  tipc: fix nametable publication field in nl compat
  drivers: net: Don't print unpopulated net_device name
  qed: add support for dcbx.
  ravb: Add missing free_irq() calls to ravb_close()
  qed: Remove a stray tab
  net: ethernet: fec-mpc52xx: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fec-mpc52xx: use phydev from struct net_device
  bpf, doc: fix typo on bpf_asm descriptions
  stmmac: hardware TX COE doesn't work when force_thresh_dma_mode is set
  net: ethernet: fs-enet: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fs-enet: use phydev from struct net_device
  ...
2016-05-17 16:26:30 -07:00
Rafael J. Wysocki acc53b49b1 Merge branch 'pm-cpuidle'
* pm-cpuidle:
  cpuidle: Replace ktime_get() with local_clock()
  drivers: firmware: psci: use const and __initconst for psci_cpuidle_ops
  soc: qcom: spm: Use const and __initconst for qcom_cpuidle_ops
  ARM: cpuidle: constify return value of arm_cpuidle_get_ops()
  ARM: cpuidle: add const qualifier to cpuidle_ops member in structures
  intel_idle: add BXT support
  cpuidle: Indicate when a device has been unregistered
2016-05-16 14:31:03 +02:00
Bjorn Andersson f79a917e69 Qualcomm ARM Based SoC Updates for v4.7 part 2
* Change SMD callback parameters
 * Use writecombine mapping for SMEM
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Merge tag 'qcom-soc-for-4.7-2' into net-next

This merges the Qualcomm SOC tree with the net-next, solving the
merge conflict in the SMD API between the two.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2016-05-13 14:42:23 -07:00
Arnd Bergmann 182e0842b0 - re-organize pmic wrapper code for easier and cleaner addiont of new SoCs and pmic wrappers
- add support for pmic wrapper mt6323
 - add support for SoC mt2701
 - enable gpt6 arch timer on mt7623
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Merge tag 'v4.6-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Merge "ARM: mediatek soc updates for v4.7" from Matthias Brugger:

- re-organize pmic wrapper code for easier and cleaner addiont of new SoCs and pmic wrappers
- add support for pmic wrapper mt6323
- add support for SoC mt2701
- enable gpt6 arch timer on mt7623

* tag 'v4.6-next-soc' of https://github.com/mbgg/linux-mediatek:
  ARM: mediatek: enable gpt6 on boot up to make arch timer work on mt7623
  soc: mediatek: PMIC wrap: add MT2701/7623 support
  soc: mediatek: PMIC wrap: add mt6323 slave support
  soc: mediatek: PMIC wrap: add a slave specific struct
  soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() and pwrap_is_mt8173()
  soc: mediatek: PMIC wrap: move wdt_src into the pmic_wrapper_type struct
  soc: mediatek: PMIC wrap: SPI_WRITE needs a different bitmask for MT2701/7623
  soc: mediatek: PMIC wrap: WRAP_INT_EN needs a different bitmask for MT2701/7623
  soc: mediatek: PMIC wrap: split SoC specific init into callback
  soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock
  soc: mediatek: PMIC wrap: don't duplicate the wrapper data
2016-05-09 16:29:36 +02:00
Arnd Bergmann b7dcc6d01f soc/tegra: Add generic PM domain support
Implements generic PM domain support on top of the existing Tegra power-
 gate API. Drivers are thus allowed to move away from the Tegra-specific
 API and towards using generic power domains directly.
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Merge tag 'tegra-for-4.7-genpd' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "soc/tegra: Add generic PM domain support" from Thierry Reding:

Implements generic PM domain support on top of the existing Tegra power-
gate API. Drivers are thus allowed to move away from the Tegra-specific
API and towards using generic power domains directly.

* tag 'tegra-for-4.7-genpd' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Add generic PM domain support
  dt-bindings: Add power domain info for NVIDIA PMC
2016-05-09 16:28:46 +02:00
Arnd Bergmann f0653f6768 Ability to save and restore the power-domain quality of service
settings that get lost and reset on power-domain power cycles.
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Merge tag 'v4.7-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Merge "Rockchip driver updates for v4.7 - part2" from Heiko Stübner:

Ability to save and restore the power-domain quality of service
settings that get lost and reset on power-domain power cycles.

* tag 'v4.7-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: support qos save and restore
  dt-bindings: modify document of Rockchip power domains
2016-05-09 16:17:16 +02:00
Jon Hunter a38045121b soc/tegra: pmc: Add generic PM domain support
Adds generic PM domain support to the PMC driver where the PM domains
are populated from device-tree and the PM domain consumer devices are
bound to their relevant PM domains via device-tree as well.

Update the tegra_powergate_sequence_power_up() API so that internally
it calls the same tegra_powergate_xxx functions that are used by the
Tegra generic PM domain code for consistency.

To ensure that the Tegra power domains (a.k.a. powergates) cannot be
controlled via both the legacy tegra_powergate_xxx functions as well
as the generic PM domain framework, add a bit map for available
powergates that can be controlled via the legacy powergate functions.

Move the majority of the tegra_powergate_remove_clamping() function
to a sub-function, so that this can be used by both the legacy and
generic power domain code.

This is based upon work by Thierry Reding <treding@nvidia.com>
and Vince Hsu <vinceh@nvidia.com>.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 17:17:47 +02:00
Arnd Bergmann a183d7f846 Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.7
Introduce a DT-based driver for the R-Car System Controller, as found on
 Renesas R-Car H1, R-Car Gen2, and R-Car Gen3 SoCs.
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Merge tag 'renesas-rcar-sysc2-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Merge "Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.7" from Simon Horman:

Introduce a DT-based driver for the R-Car System Controller, as found on
Renesas R-Car H1, R-Car Gen2, and R-Car Gen3 SoCs.

* tag 'renesas-rcar-sysc2-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (30 commits)
  soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
  soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
  soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car H1 power areas
  soc: renesas: rcar-sysc: Enable Clock Domain for I/O devices
  soc: renesas: rcar-sysc: Make rcar_sysc_power_is_off() static
  soc: renesas: rcar-sysc: Add DT support for SYSC PM domains
  soc: renesas: rcar-sysc: Improve rcar_sysc_power() debug info
  soc: renesas: Move pm-rcar to drivers/soc/renesas/rcar-sysc
  clk: renesas: cpg-mssr: Export cpg_mssr_{at,de}tach_dev()
  clk: renesas: mstp: Provide dummy attach/detach_dev callbacks
  clk: renesas: Provide Kconfig symbols for CPG/MSSR and CPG/MSTP support
  soc: renesas: Add r8a7795 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7794 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7793 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7791 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7790 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7779 SYSC PM Domain Binding Definitions
  ...
2016-04-26 10:21:57 +02:00
Geert Uytterhoeven 23f1e2ecde soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:38 +10:00
Geert Uytterhoeven 9af1dbcc30 soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:37 +10:00
Geert Uytterhoeven a247eb93ef soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
R-Car M2-N is identical to R-Car M2-W w.r.t. power domains, so reuse the
definitions from the latter.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:37 +10:00
Geert Uytterhoeven c5fbb3c088 soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:36 +10:00
Geert Uytterhoeven ad7c9dbc25 soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:35 +10:00
Geert Uytterhoeven 9b83ea17b0 soc: renesas: rcar-sysc: Add support for R-Car H1 power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:35 +10:00
Geert Uytterhoeven 1c8c77f52d soc: renesas: rcar-sysc: Enable Clock Domain for I/O devices
On R-Car H3, some power areas (e.g. A3VP) contain I/O devices, which are
also part of the CPG/MSSR Clock Domain.
On all R-Car SoCs, devices in the "always-on" PM Domain are part of the
Clock Domain served by the CPG/MSSR or CPG/MSTP driver.

Hook up the CPG/MSTP or CPG/MSSR Clock Domain attach/detach callbacks to
enable power management using module clocks. Which callback to hook up
depends on the presence of device nodes compatible with
"renesas,cpg-mstp-clocks". This clears the path for a future migration
from the CPG/MSTP to the CPG/MSSR driver on R-Car H1 and
Gen2.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:27 +10:00
Florian Fainelli 8d3fd357a2 soc: brcmstb: Unmap sun_top_ctrl_base on errors
Do not leak a ioremap()'d cookie around, unmaping it in case of errors

Fixes: cef4bafcea ("soc: brcmstb: add SoC driver to brcmstb")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-04-26 01:13:54 +02:00
Arnd Bergmann d3829c1b84 soc: brcmstb: select SOC_BUS
The newly added code for the SoC bus fails to link if the
bus is not built:

drivers/soc/built-in.o: In function `brcmstb_soc_device_init':
:(.init.text+0x110): undefined reference to `soc_device_register'

This adds a 'select' statement to avoid the error.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: cef4bafcea ("soc: brcmstb: add SoC driver to brcmstb")
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
2016-04-26 01:13:47 +02:00
Arnd Bergmann d3e2442b51 Qualcomm ARM Based SoC Updates for v4.7 part 2
* Change SMD callback parameters
 * Use writecombine mapping for SMEM
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Merge tag 'qcom-soc-for-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Merge "Qualcomm ARM Based SoC Updates for v4.7 part 2" from Andy Gross:

* Change SMD callback parameters
* Use writecombine mapping for SMEM

* tag 'qcom-soc-for-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: smd: Make callback pass channel reference
  soc: qcom: smem: Use write-combine remap for SMEM
2016-04-25 23:50:41 +02:00
Arnd Bergmann c6ba3f6932 This pull request contains Broadcom ARM-based SoCs drivers changes:
- Justin adds a soc_dev driver to properly report to user-space the Broadcom
   STB SoC family, product and revision
 
 - Florian reworks how the brcmstb_gisb driver dependency is done to enable it
   on Broadcom STB MIPS-based SoCs and remove a select in
   arch/arm/mach-bcm/Kconfig
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Merge tag 'arm-soc/for-4.7/drivers' of http://github.com/Broadcom/stblinux into next/drivers

Merge "Broadcom ARM-based SoCs drivers changes" from Florian Fainelli:

- Justin adds a soc_dev driver to properly report to user-space the Broadcom
  STB SoC family, product and revision

- Florian reworks how the brcmstb_gisb driver dependency is done to enable it
  on Broadcom STB MIPS-based SoCs and remove a select in
  arch/arm/mach-bcm/Kconfig

* tag 'arm-soc/for-4.7/drivers' of http://github.com/Broadcom/stblinux:
  bus: brcmstb_gisb: Rework dependencies
  soc: brcmstb: add SoC driver to brcmstb
2016-04-25 23:48:29 +02:00
Arnd Bergmann c8f7341b29 soc/tegra: Changes for v4.7-rc1
This contains a bunch of preparatory patches to the PMC driver which are
 a prerequisite to moving the driver to generic power domains.
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Merge tag 'tegra-for-4.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "soc/tegra: Changes for v4.7-rc1" from Thierry Reding:

This contains a bunch of preparatory patches to the PMC driver which are
a prerequisite to moving the driver to generic power domains.

* tag 'tegra-for-4.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  dt-bindings: Update NVIDIA PMC for Tegra
  soc/tegra: pmc: Wait for powergate state to change
  soc/tegra: pmc: Ensure GPU partition can be toggled on/off by PMC
  soc/tegra: pmc: Remove additional check for a valid partition
  soc/tegra: pmc: Fix verification of valid partitions
  soc/tegra: pmc: Fix testing of powergate state
  soc/tegra: pmc: Change powergate and rail IDs to be an unsigned type
  soc/tegra: pmc: Protect public functions from potential race conditions
  soc/tegra: pmc: Restore base address on probe failure
  soc/tegra: pmc: Remove non-existing L2 partition for Tegra124
  soc/tegra: pmc: Remove non-existing power partitions for Tegra210
  soc/tegra: pmc: Remove debugfs entry on probe failure
  soc/tegra: pmc: Fix sparse warning for tegra_pmc_init_tsense_reset()
  soc/tegra: pmc: Add missing structure members to kernel-doc
2016-04-25 23:46:15 +02:00
Geert Uytterhoeven 2f024cef5b soc: renesas: rcar-sysc: Make rcar_sysc_power_is_off() static
As of commit b12ff41658 ("ARM: shmobile: r8a7779: Remove legacy PM
Domain remainings"), rcar_sysc_power_is_off() is no longer used from
SoC-specific code.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22 17:30:53 +10:00
Geert Uytterhoeven dcc09fd143 soc: renesas: rcar-sysc: Add DT support for SYSC PM domains
Populate the SYSC PM domains from DT, based on the presence of a device
node for the System Controller. The actual power area hiearchy, and
features of specific areas are obtained from tables in the C code.

The SYSCIER and SYSCIMR register values are derived from the power areas
present, which will help to get rid of the hardcoded values in R-Car H1
and R-Car Gen2 platform code later.

Initialization is done from an early_initcall(), to make sure the PM
Domains are initialized before secondary CPU bringup.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22 17:30:37 +10:00
Geert Uytterhoeven 68667cebfc soc: renesas: rcar-sysc: Improve rcar_sysc_power() debug info
Print requested power domain state.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22 17:23:31 +10:00
Geert Uytterhoeven be32bcbbd1 soc: renesas: Move pm-rcar to drivers/soc/renesas/rcar-sysc
Move the pm-rcar driver from arch/arm/mach-shmobile/ to
drivers/soc/renesas/, and its header file to include/linux/soc/renesas/,
so it can be shared between arm32 (R-Car H1 and Gen2) and arm64 (R-Car
Gen3). Rename it to rcar-sysc as it's really a driver for the R-Car
System Controller (SYSC).

Kill the intermediate PM_RCAR config symbol, as it's not user
configurable anymore, and to prepare for SoC-specific make rules.

Add the missing #include <linux/types.h> to rcar-sysc.h, which was
exposed by different include order.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22 17:23:13 +10:00
Elaine Zhang 074c6a422d soc: rockchip: power-domain: support qos save and restore
support qos save and restore when power domain on/off.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-04-21 23:02:16 +02:00
John Crispin 060a1d6461 soc: mediatek: PMIC wrap: add MT2701/7623 support
Add the registers, callbacks and data structures required to make the
wrapper work on MT2701 and MT7623.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:06 +02:00
John Crispin 5ae48040aa soc: mediatek: PMIC wrap: add mt6323 slave support
Add support for MT6323 slaves. This PMIC can be found on MT2701 and MT7623
EVB. The only function that we need to touch is pwrap_init_cipher().

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:05 +02:00
John Crispin b28d78cd18 soc: mediatek: PMIC wrap: add a slave specific struct
This patch adds a new struct pwrap_slv_type that we use to store the slave
specific data. The patch adds 2 new helper functions to access the dew
registers. The slave type is looked up via the wrappers child node.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:04 +02:00
John Crispin 25269cefb6 soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() and pwrap_is_mt8173()
With more SoCs being added the list of helper functions like these would
grow. To mitigate this problem we remove the existing helpers and change
the code to test against the pmic type stored inside the pmic specific
datastructure that our context structure points at. There is one usage of
pwrap_is_mt8135() that is ambiguous as the test should not be dependent on
mt8135, but rather on the existence of a bridge. Add a new element to
pmic_wrapper_type to indicate if a bridge is present and use this where
appropriate.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:04 +02:00
John Crispin 95b25c5891 soc: mediatek: PMIC wrap: move wdt_src into the pmic_wrapper_type struct
Different SoCs will use different bitmask for the wdt_src. This patch
defines the bitmask in the pmic_wrapper_type struct. This allows us to
support new SoCs with a different bitmask to the one currently used.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:03 +02:00
John Crispin 174f7b4ce1 soc: mediatek: PMIC wrap: SPI_WRITE needs a different bitmask for MT2701/7623
Different SoCs will use different bitmask for the SPI_WRITE command. This
patch defines the bitmask in the pmic_wrapper_type struct. This allows us
to support new SoCs with a different bitmask to the one currently used.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:02 +02:00
John Crispin e5eef49bc3 soc: mediatek: PMIC wrap: WRAP_INT_EN needs a different bitmask for MT2701/7623
MT2701 and MT7623 use a different bitmask for PWRAP_INT_EN.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:02 +02:00
John Crispin 41c11f32d8 soc: mediatek: PMIC wrap: split SoC specific init into callback
This patch moves the SoC specific wrapper init code into separate callback
to avoid pwrap_init() getting too large. This is done by adding a new
element called init_special to pmic_wrapper_type. Each currently supported
SoC gets its own version of the callback and we copy the code that was
previously inside pwrap_init() to these new callbacks. Finally we point the
2 instances of pmic_wrapper_type at the 2 new functions.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:01 +02:00
John Crispin a397845338 soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock
Split init_reg_clock up into SoC specific callbacks. The patch also
reorders the code to avoid the need for callback function prototypes.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:03:00 +02:00
John Crispin 9bebedb054 soc: mediatek: PMIC wrap: don't duplicate the wrapper data
As we add support for more devices struct pmic_wrapper_type will grow and
we do not really want to start duplicating all the elements in
struct pmic_wrapper.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-20 13:02:59 +02:00
Jisheng Zhang 1e712d9be8 soc: qcom: spm: Use const and __initconst for qcom_cpuidle_ops
The qcom_cpuidle_ops structures is not over-written, so add "const"
qualifier and replace __initdata with __initconst.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
2016-04-20 06:59:41 +02:00
Bjorn Andersson b853cb9628 soc: qcom: smd: Make callback pass channel reference
By passing the smd channel reference to the callback, rather than the
smd device, we can open additional smd channels from sub-devices of smd
devices.

Also updates the two smd clients today found in mainline.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-04-19 21:55:12 -05:00
Bjorn Andersson afd356dfb3 soc: qcom: smem: Use write-combine remap for SMEM
Mapping the SMEM region as write combine makes the contiguous writes
in SMD perform better and also allows us to do unaligned read and writes
on ARM64.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-04-19 21:55:06 -05:00
Justin Chen cef4bafcea soc: brcmstb: add SoC driver to brcmstb
Value of soc_dev_attributes:
* family = chip family id
* soc_id = product id
* revision = product revision

Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-04-18 14:20:10 -07:00
Olof Johansson a961bf24ba Rockchip soc-specific driver changes containing support for the
rk3399 powerdomains and necessary infrastructure changes to
 accomodate them - like supporting nested powerdomains here.
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Merge tag 'v4.7-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Rockchip soc-specific driver changes containing support for the
rk3399 powerdomains and necessary infrastructure changes to
accomodate them - like supporting nested powerdomains here.

* tag 'v4.7-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: check the existing of regmap
  soc: rockchip: power-domain: Modify power domain driver for rk3399
  dt-bindings: add binding for rk3399 power domains
  dt-bindings: add power-domain header for RK3399 SoCs
  soc: rockchip: power-domain: add support for sub-power domains
  soc: rockchip: power-domain: allow domains only handling idle requests
  soc: rockchip: power-domain: make idle handling optional

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-13 15:25:31 -07:00
James Liao d9c9f3b809 Revert "soc: mediatek: SCPSYS: Fix double enabling of regulators"
This reverts commit cc8ed76938
("soc: mediatek: SCPSYS: Fix double enabling of regulators") [1].

This patch fixes mt8173-evb failing boot issue. With commit [1],
genpd state will not sync to real power domain state. So some
resources such as clocks and regulators may stay in a wrong state.

There is no regulator double enabling issue on mainline kernel, so
we can refert commit [1] safely.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-04-13 11:55:08 +02:00
Masahiro Yamada 955d809bde ARM: tegra: Remove redundant ARM_L1_CACHE_SHIFT_6 select
These two are both ARMv7 SoCs.  They need not explicitly select
ARM_L1_CACHE_SHIFT_6 because it is enabled along with CPU_V7.

Refer to commit a092f2b153 ("ARM: 7291/1: cache: assume 64-byte L1
cachelines for ARMv7 CPUs").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-12 17:09:28 +02:00
Shawn Lin 4506697d9f soc: rockchip: power-domain: check the existing of regmap
Check return value of syscon_node_to_regmap for
rockchip_pm_domain_probe. If err value is returned, probe
procedure should abort.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-04-12 03:28:08 +02:00
Jon Hunter 0a2d87e047 soc/tegra: pmc: Wait for powergate state to change
Currently, the function tegra_powergate_set() simply sets the desired
powergate state but does not wait for the state to change. In most cases
we should wait for the state to change before proceeding. Currently,
there is a case for Tegra114 and Tegra124 devices where we do not wait
when starting the secondary CPU as this is not necessary. However, this
is only done at boot time and so waiting here will only have a small
impact on boot time. Therefore, update tegra_powergate_set() to wait
when setting the powergate.

By adding this feature, we can also eliminate the polling loop from
tegra30_boot_secondary().

A function has been added for checking the status of the powergate and
so update the tegra_powergate_is_powered() to use this macro as well.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:53 +02:00
Jon Hunter bc9af23d31 soc/tegra: pmc: Ensure GPU partition can be toggled on/off by PMC
For Tegra124 and Tegra210, the GPU partition cannot be toggled on and
off via the APBDEV_PMC_PWRGATE_TOGGLE_0 register. For these devices, the
partition is simply powered up and down via an external regulator.
For these devices, there is a separate register for controlling the
signal clamping of the partition and this is described in the PMC SoC
data by the "has_gpu_clamp" variable. Use this variable to determine if
the GPU partition can be controlled via the APBDEV_PMC_PWRGATE_TOGGLE_0
register and ensure that no one can incorrectly try to toggle the GPU
partition via the APBDEV_PMC_PWRGATE_TOGGLE_0 register.

Furthermore, we cannot use the APBDEV_PMC_PWRGATE_STATUS_0 register to
determine if the GPU partition is powered for Tegra124 and Tegra210.
However, if the GPU partition is powered, then the signal clamp for the
GPU partition should be removed and so use bit 0 of the
APBDEV_PMC_GPU_RG_CNTRL_0 register to determine if the clamp has been
removed (bit[0] = 0) and the GPU partition is powered.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:51 +02:00
Jon Hunter c3ea297260 soc/tegra: pmc: Remove additional check for a valid partition
The function tegra_powergate_is_powered() verifies that the partition
being queried is valid and so there is no need to check this before
calling tegra_powergate_is_powered() in powergate_show(). So remove this
extra check.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:50 +02:00
Jon Hunter 0a243bd438 soc/tegra: pmc: Fix verification of valid partitions
The Tegra power partitions are referenced by numerical IDs which are the
same values programmed into the PMC registers for controlling the
partition. For a given device, the valid partition IDs may not be
contiguous and so simply checking that an ID is not greater than the
maximum ID supported may not mean it is valid. Fix this by checking if
the powergate is defined in the list of powergates for the Tegra SoC.

Add a helper function for checking valid powergates and use where we
need to verify if the powergate ID is valid or not.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:49 +02:00
Jon Hunter 0ecf2d33bb soc/tegra: pmc: Fix testing of powergate state
In tegra_powergate_set() the state of the powergates is read and OR'ed
with the bit for the powergate of interest. This unsigned 32-bit value
is then compared with a boolean value to test if the powergate is
already in the desired state. When turning on a powergate, apart from
the powergate that is represented by bit 0, this test will always
return false and so we may attempt to turn on the powergate when it is
already on.

After OR'ing the bit for the powergate, check if the result is not equal
to zero before comparing with the boolean value. Add a helper function
to return the current state of a powergate and use this in both
tegra_powergate_set() and tegra_powergate_is_powered() where we check
the powergate status.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:48 +02:00
Jon Hunter 70293ed09d soc/tegra: pmc: Change powergate and rail IDs to be an unsigned type
The Tegra powergate and rail IDs are always positive values and so change
the type to be unsigned and remove the tests to see if the ID is less
than zero. Update the Tegra DC powergate type to be an unsigned as well.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:47 +02:00
Jon Hunter e8cf6616a3 soc/tegra: pmc: Protect public functions from potential race conditions
The PMC base address pointer is initialised during early boot so that
early platform code may used the PMC public functions. During the probe
of the PMC driver the base address pointer is mapped again and the initial
mapping is freed. This exposes a window where a device accessing the PMC
registers via one of the public functions, could race with the updating
of the pointer and lead to a invalid access. Furthermore, the only
protection between multiple devices attempting to access the PMC registers
is when setting the powergate state to on or off. None of the other public
functions that access the PMC registers are protected.

Use the existing mutex to protect paths that may race with regard to
accessing the PMC registers.

Note that functions tegra_io_rail_prepare()/poll() either return a
negative value on failure or zero on success. Therefore, it is not
necessary to check if the return value is less than zero and so only
test that the return value is not zero to test for failure. This
simplifies the error handling with the mutex locking in place.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:45 +02:00
Jon Hunter 0259f522e0 soc/tegra: pmc: Restore base address on probe failure
During early initialisation, the PMC registers are mapped and the PMC SoC
data is populated in the PMC data structure. This allows other drivers
access the PMC register space, via the public Tegra PMC APIs, prior to
probing the PMC device.

When the PMC device is probed, the PMC registers are mapped again and if
successful the initial mapping is freed. If the probing of the PMC device
fails after the registers are remapped, then the registers will be
unmapped and hence the pointer to the PMC registers will be invalid. This
could lead to a potential crash, because once the PMC SoC data pointer is
populated, the driver assumes that the PMC register mapping is also valid
and a user calling any of the public Tegra PMC APIs could trigger an
exception because these APIs don't check that the mapping is still valid.

Fix this by updating the mapping and freeing the original mapping only if
probing the PMC device is successful.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:43 +02:00
Jon Hunter 668419afe6 soc/tegra: pmc: Remove non-existing L2 partition for Tegra124
Tegra124 does not have an L2 power partition and the L2 cache is part of
the cluster 0 non-CPU (CONC) partition. Remove the L2 as a valid
partition for Tegra124. The TRM also shows that there is no L2 partition
for Tegra124.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:42 +02:00
Jon Hunter e8de5b81ff soc/tegra: pmc: Remove non-existing power partitions for Tegra210
The power partitions L2, HEG, CELP and C1NC do not exist on Tegra210 but
were incorrectly documented in the TRM. These will be removed from the
TRM and so also remove their definitions.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:41 +02:00
Jon Hunter 3195ac6d9c soc/tegra: pmc: Remove debugfs entry on probe failure
The debugfs entry for the PMC device will not be removed if the probe of
the device fails to register the restart handler. This leaves behind the
dangling debugfs entry with no driver backing it. Remove the entry to
avoid this.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:40 +02:00
Jon Hunter 1e52efdfc6 soc/tegra: pmc: Fix sparse warning for tegra_pmc_init_tsense_reset()
Sparse reports the following warning for tegra_pmc_init_tsense_reset():

drivers/soc/tegra/pmc.c:741:6: warning: symbol 'tegra_pmc_init_tsense_reset' was not declared. Should it be static?

This function is only used internally by the PMC driver and so fix this
by making it static.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:39 +02:00
Jon Hunter 35b67291b4 soc/tegra: pmc: Add missing structure members to kernel-doc
Some members of the tegra_pmc structure are missing from the kernel-doc
comment for this structure. Add the missing members.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-05 15:22:37 +02:00
Linus Walleij fccc2b3675 soc: versatile: dynamically detect RealView HBI numbers
We cannot pile all numbers on this list, just print the three hex
digits representing the board ID so we can handle all the new
RealView boards.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-04 10:58:47 +02:00
Bjorn Andersson 028021d29e soc: qcom: smd: Support opening additional channels
With the qcom_smd_open_channel() API we allow SMD devices to open
additional SMD channels, to allow implementation of multi-channel SMD
devices - like Bluetooth.

Channels are opened from the same edge as the calling SMD device is tied
to.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-03-30 17:21:12 -05:00
Bjorn Andersson d5933855c0 soc: qcom: smd: Support multiple channels per sdev
This patch allows chaining additional channels to a SMD device, enabling
implementation of multi-channel SMD devies - like Bluetooth.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-03-30 17:21:03 -05:00
Bjorn Andersson 3fd3f2fd86 soc: qcom: smd: Refactor channel open and close handling
Refactor opening and closing of channels into two separate functions
instead of open coding this in the various places.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-03-30 17:20:57 -05:00
Bjorn Andersson 995b170aea soc: qcom: smd: Split discovery and state change work
Split the two steps of channel discovery and state change handling into
two different workers. This allows for new channels to be found while
we're are probing, which is required as we introduce multi-channel
support.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-03-30 17:20:51 -05:00
Bjorn Andersson 39f0db298e soc: qcom: smd: Introduce callback setter
Introduce a setter for the callback function pointer to clarify the
locking around the operation and to reduce some duplication.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-03-30 17:20:43 -05:00
Lina Iyer 3b904b046c drivers: qcom: spm: avoid module usage in non-modular SPM driver
SPM driver provides cpuidle support on some QC SoC's. The functionality
is non-modular and there is no need for module support. Convert module
platform init to builtin platform driver init. The driver functionality
is not affected by this change.

Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-03-30 17:20:35 -05:00
Linus Walleij 1e714e54b5 powerpc: qe_lib-gpio: use gpiochip data pointer
This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Cc: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:53:04 +02:00
Elaine Zhang fd8b62cc38 soc: rockchip: power-domain: Modify power domain driver for rk3399
This driver is modified to support RK3399 SoC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
[small indentation fixups]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-03-28 13:16:45 +02:00
Elaine Zhang 6be05b5ec1 soc: rockchip: power-domain: add support for sub-power domains
This patch adds support for making one power domain a sub-domain of
other domain. This is useful for modeling power dependences,
which needs to have more than one power domain enabled to be operational.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
[restructured error handling in subdomain-addition]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-03-28 12:57:45 +02:00
Elaine Zhang 1fe767a56c soc: rockchip: power-domain: allow domains only handling idle requests
On some Rockchip SoC there exist child-domains only handling their
idle state with the actual power-state handled by a (shared) parent-
domain.

So allow such types of domains. For them, we can determine their
state (on/off) by checking the inverse idle-state instead.

There exist one special case if both idle as well power handling
were set as not present, but as the domain-data is defined in the
code itself, we can expect the reasonable developer to define them
in a correct way, without adding more checks.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-03-28 12:06:43 +02:00
Elaine Zhang 6aa841c809 soc: rockchip: power-domain: make idle handling optional
Not all new socs need to handle idle states on domain state changes,
so add the possibility to make them optional.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-03-28 12:03:29 +02:00
Linus Torvalds 46e595a17d ARM: SoC driver updates for v4.6
Driver updates for ARM SoCs, these contain various things that touch
 the drivers/ directory but got merged through arm-soc for practical
 reasons:
 
 - Rockchip rk3368 gains power domain support
 - Small updates for the ARM spmi driver
 - The Atmel PMC driver saw a larger rework, touching both
   arch/arm/mach-at91 and drivers/clk/at91
 - All reset controller driver changes alway get merged through
   arm-soc, though this time the largest change is the addition
   of a MIPS pistachio reset driver
 - One bugfix for the NXP (formerly Freescale) i.MX weim bus driver
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, these contain various things that touch
  the drivers/ directory but got merged through arm-soc for practical
  reasons:

   - Rockchip rk3368 gains power domain support
   - Small updates for the ARM spmi driver
   - The Atmel PMC driver saw a larger rework, touching both
     arch/arm/mach-at91 and drivers/clk/at91
   - All reset controller driver changes alway get merged through
     arm-soc, though this time the largest change is the addition of a
     MIPS pistachio reset driver
   - One bugfix for the NXP (formerly Freescale) i.MX weim bus driver"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  bus: imx-weim: Take the 'status' property value into account
  clk: at91: remove useless includes
  clk: at91: pmc: remove useless capacities handling
  clk: at91: pmc: drop at91_pmc_base
  usb: gadget: atmel: access the PMC using regmap
  ARM: at91: remove useless includes and function prototypes
  ARM: at91: pm: move idle functions to pm.c
  ARM: at91: pm: find and remap the pmc
  ARM: at91: pm: simply call at91_pm_init
  clk: at91: pmc: move pmc structures to C file
  clk: at91: pmc: merge at91_pmc_init in atmel_pmc_probe
  clk: at91: remove IRQ handling and use polling
  clk: at91: make use of syscon/regmap internally
  clk: at91: make use of syscon to share PMC registers in several drivers
  hwmon: (scpi) add energy meter support
  firmware: arm_scpi: add support for 64-bit sensor values
  firmware: arm_scpi: decrease Tx timeout to 20ms
  firmware: arm_scpi: fix send_message and sensor_get_value for big-endian
  reset: sti: Make reset_control_ops const
  reset: zynq: Make reset_control_ops const
  ...
2016-03-20 15:40:32 -07:00
Linus Torvalds 33b3d2e88c ARM: SoC platform updates for v4.6
Newly added support for additional SoCs:
 
 - Axis Artpec-6 SoC family
 - Allwinner A83T SoC
 - Mediatek MT7623
 - NXP i.MX6QP SoC
 - ST Microelectronics stm32f469 microcontroller
 
 New features:
 - SMP support for Mediatek mt2701
 - Big-endian support for NXP i.MX
 - DaVinci now uses the new DMA engine dma_slave_map
 - OMAP now uses the new DMA engine dma_slave_map
 - earlyprintk support for palmchip uart on mach-tango
 - delay timer support for orion
 
 Other:
 - Exynos PMU driver moved out to drivers/soc/
 - Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP, uniphier
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "Newly added support for additional SoCs:
   - Axis Artpec-6 SoC family
   - Allwinner A83T SoC
   - Mediatek MT7623
   - NXP i.MX6QP SoC
   - ST Microelectronics stm32f469 microcontroller

  New features:
   - SMP support for Mediatek mt2701
   - Big-endian support for NXP i.MX
   - DaVinci now uses the new DMA engine dma_slave_map
   - OMAP now uses the new DMA engine dma_slave_map
   - earlyprintk support for palmchip uart on mach-tango
   - delay timer support for orion

  Other:
   - Exynos PMU driver moved out to drivers/soc/
   - Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP,
     uniphier"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: uniphier: rework SMP code to support new System Bus binding
  ARM: uniphier: add missing of_node_put()
  ARM: at91: avoid defining CONFIG_* symbols in source code
  ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
  ARM: imx: Make reset_control_ops const
  ARM: imx: Do L2 errata only if the L2 cache isn't enabled
  ARM: imx: select ARM_CPU_SUSPEND only for imx6
  dmaengine: pxa_dma: fix the maximum requestor line
  ARM: alpine: select the Alpine MSI controller driver
  ARM: pxa: add the number of DMA requestor lines
  dmaengine: mmp-pdma: add number of requestors
  dma: mmp_pdma: Add the #dma-requests DT property documentation
  ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
  ARM: s3c24xx: Avoid warning for inb/outb
  ARM: zynq: Move early printk virtual address to vmalloc area
  ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
  ARM: SAMSUNG: Remove unused register offset definition
  ARM: EXYNOS: Cleanup header files inclusion
  drivers: soc: samsung: Enable COMPILE_TEST
  MAINTAINERS: Add maintainers entry for drivers/soc/samsung
  ...
2016-03-20 14:57:08 -07:00
Linus Torvalds dae0b74eb7 ARM: SoC non-urgent fixes for v4.6
As usual, we queue up a few fixes that don't seem urgent enough to go in
 through -rc.
 
  - a number of randconfig warning fixes from Arnd
  - various small fixes for OMAP
  - one somewhat larger patch to restore the OMAP3 cpuidle
    tuning that was lost in a cleanup
  - a small regression fix for cns3xxx PCI
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-urgent fixes from Arnd Bergmann:
 "As usual, we queue up a few fixes that don't seem urgent enough to go
  in through -rc.

   - a number of randconfig warning fixes from Arnd
   - various small fixes for OMAP
   - one somewhat larger patch to restore the OMAP3 cpuidle tuning that
     was lost in a cleanup
   - a small regression fix for cns3xxx PCI"

* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
  CNS3xxx: Fix PCI cns3xxx_write_config()
  MAINTAINERS: unify email addrs for Kevin Hilman
  CNS3xxx: remove unused *_VIRT definitions
  ARM: OMAP2+: Fix hwmod clock for l4_ls
  soc: TI knav_qmss: fix dma_addr_t printing
  ARM: prima2: always enable reset controller
  ARM: socfpga: hide unused functions
  ARM: ux500: fix ureachable iounmap()
  ARM: ks8695: fix __initdata annotation
  ARM: mvebu: mark mvebu_hwcc_pci_nb as __maybe_unused
  ARM: mv78xx0: avoid unused function warning
  ARM: orion: only select I2C_BOARDINFO when using I2C
  ARM: OMAP2+: Fix out of range register access with syscon_config.max_register
  ARM: OMAP3: Add cpuidle parameters table for omap3430
  ARM: davinci: make I2C support optional
  ARM: davinci: DA8xx+DMx combined kernels need PATCH_PHYS_VIRT
  ARM: davinci: avoid unused mityomapl138_pn_info variable
  ARM: davinci: limit DT support to DA850
  ARM: DRA7: hwmod: Add reset data for PCIe
  ARM: DRA7: hwmod: Fix OCP2SCP sysconfig
  ...
2016-03-20 14:26:57 -07:00
Linus Torvalds d5e2d00898 powerpc updates for 4.6
Highlights:
  - Restructure Linux PTE on Book3S/64 to Radix format from Paul Mackerras
  - Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh Kumar K.V
  - Add POWER9 cputable entry from Michael Neuling
  - FPU/Altivec/VSX save/restore optimisations from Cyril Bur
  - Add support for new ftrace ABI on ppc64le from Torsten Duwe
 
 Various cleanups & minor fixes from:
  - Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy, Cyril
    Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell Currey,
    Sukadev Bhattiprolu, Suraj Jitindar Singh.
 
 General:
  - atomics: Allow architectures to define their own __atomic_op_* helpers from
    Boqun Feng
  - Implement atomic{, 64}_*_return_* variants and acquire/release/relaxed
    variants for (cmp)xchg from Boqun Feng
  - Add powernv_defconfig from Jeremy Kerr
  - Fix BUG_ON() reporting in real mode from Balbir Singh
  - Add xmon command to dump OPAL msglog from Andrew Donnellan
  - Add xmon command to dump process/task similar to ps(1) from Douglas Miller
  - Clean up memory hotplug failure paths from David Gibson
 
 pci/eeh:
  - Redesign SR-IOV on PowerNV to give absolute isolation between VFs from Wei
    Yang.
  - EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
  - PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
  - PCI: Add pcibios_bus_add_device() weak function from Wei Yang
  - MAINTAINERS: Update EEH details and maintainership from Russell Currey
 
 cxl:
  - Support added to the CXL driver for running on both bare-metal and
    hypervisor systems, from Christophe Lombard and Frederic Barrat.
  - Ignore probes for virtual afu pci devices from Vaibhav Jain
 
 perf:
  - Export Power8 generic and cache events to sysfs from Sukadev Bhattiprolu
  - hv-24x7: Fix usage with chip events, display change in counter values,
    display domain indices in sysfs, eliminate domain suffix in event names,
    from Sukadev Bhattiprolu
 
 Freescale:
  - Updates from Scott: "Highlights include 8xx optimizations, 32-bit checksum
    optimizations, 86xx consolidation, e5500/e6500 cpu hotplug, more fman and
    other dt bits, and minor fixes/cleanup."
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Merge tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "This was delayed a day or two by some build-breakage on old toolchains
  which we've now fixed.

  There's two PCI commits both acked by Bjorn.

  There's one commit to mm/hugepage.c which is (co)authored by Kirill.

  Highlights:
   - Restructure Linux PTE on Book3S/64 to Radix format from Paul
     Mackerras
   - Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh
     Kumar K.V
   - Add POWER9 cputable entry from Michael Neuling
   - FPU/Altivec/VSX save/restore optimisations from Cyril Bur
   - Add support for new ftrace ABI on ppc64le from Torsten Duwe

  Various cleanups & minor fixes from:
   - Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy,
     Cyril Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell
     Currey, Sukadev Bhattiprolu, Suraj Jitindar Singh.

  General:
   - atomics: Allow architectures to define their own __atomic_op_*
     helpers from Boqun Feng
   - Implement atomic{, 64}_*_return_* variants and acquire/release/
     relaxed variants for (cmp)xchg from Boqun Feng
   - Add powernv_defconfig from Jeremy Kerr
   - Fix BUG_ON() reporting in real mode from Balbir Singh
   - Add xmon command to dump OPAL msglog from Andrew Donnellan
   - Add xmon command to dump process/task similar to ps(1) from Douglas
     Miller
   - Clean up memory hotplug failure paths from David Gibson

  pci/eeh:
   - Redesign SR-IOV on PowerNV to give absolute isolation between VFs
     from Wei Yang.
   - EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
   - PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
   - PCI: Add pcibios_bus_add_device() weak function from Wei Yang
   - MAINTAINERS: Update EEH details and maintainership from Russell
     Currey

  cxl:
   - Support added to the CXL driver for running on both bare-metal and
     hypervisor systems, from Christophe Lombard and Frederic Barrat.
   - Ignore probes for virtual afu pci devices from Vaibhav Jain

  perf:
   - Export Power8 generic and cache events to sysfs from Sukadev
     Bhattiprolu
   - hv-24x7: Fix usage with chip events, display change in counter
     values, display domain indices in sysfs, eliminate domain suffix in
     event names, from Sukadev Bhattiprolu

  Freescale:
   - Updates from Scott: "Highlights include 8xx optimizations, 32-bit
     checksum optimizations, 86xx consolidation, e5500/e6500 cpu
     hotplug, more fman and other dt bits, and minor fixes/cleanup"

* tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
  powerpc: Fix unrecoverable SLB miss during restore_math()
  powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers
  powerpc/rcpm: Fix build break when SMP=n
  powerpc/book3e-64: Use hardcoded mttmr opcode
  powerpc/fsl/dts: Add "jedec,spi-nor" flash compatible
  powerpc/T104xRDB: add tdm riser card node to device tree
  powerpc32: PAGE_EXEC required for inittext
  powerpc/mpc85xx: Add pcsphy nodes to FManV3 device tree
  powerpc/mpc85xx: Add MDIO bus muxing support to the board device tree(s)
  powerpc/86xx: Introduce and use common dtsi
  powerpc/86xx: Update device tree
  powerpc/86xx: Move dts files to fsl directory
  powerpc/86xx: Switch to kconfig fragments approach
  powerpc/86xx: Update defconfigs
  powerpc/86xx: Consolidate common platform code
  powerpc32: Remove one insn in mulhdu
  powerpc32: small optimisation in flush_icache_range()
  powerpc: Simplify test in __dma_sync()
  powerpc32: move xxxxx_dcache_range() functions inline
  powerpc32: Remove clear_pages() and define clear_page() inline
  ...
2016-03-19 15:38:41 -07:00
Olof Johansson 2a993a587e Samsung Exynos (and older platforms) improvements for v4.6:
1. Split out Exynos PMU driver implementation from arm/mach-exynos
    to the drivers/soc/samsung which will allow re-use of it on ARM64.
 2. Use generic DT cpufreq driver on Exynos542x/5800.
 3. Minor cleanups.
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Merge tag 'samsung-soc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/soc

Samsung Exynos (and older platforms) improvements for v4.6:
1. Split out Exynos PMU driver implementation from arm/mach-exynos
   to the drivers/soc/samsung which will allow re-use of it on ARM64.
2. Use generic DT cpufreq driver on Exynos542x/5800.
3. Minor cleanups.

* tag 'samsung-soc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: s3c24xx: Avoid warning for inb/outb
  ARM: SAMSUNG: Remove unused register offset definition
  ARM: EXYNOS: Cleanup header files inclusion
  drivers: soc: samsung: Enable COMPILE_TEST
  MAINTAINERS: Add maintainers entry for drivers/soc/samsung
  drivers: soc: Add support for Exynos PMU driver
  ARM: EXYNOS: Split up exynos5420 SoC specific PMU data
  ARM: EXYNOS: Split up exynos5250 SoC specific PMU data
  ARM: EXYNOS: Split up exynos4 SoC specific PMU data
  ARM: EXYNOS: Split up exynos3250 SoC specific PMU data
  ARM: EXYNOS: Move pmu specific headers under "linux/soc/samsung"
  ARM: EXYNOS: Correct header comment in Kconfig file
  ARM: EXYNOS: Use generic cpufreq driver for Exynos5422/5800
  ARM: EXYNOS: Use generic cpufreq driver for Exynos5420
  ARM: s3c64xx: use "depends on" instead of "if" after prompt
  ARM: plat-samsung: use to_platform_device()
  ARM: EXYNOS: Code cleanup in map.h
  ARM: EXYNOS: Remove unused static mapping of CMU for exynos5

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-03-12 17:10:20 -08:00
Saurabh Sengar 66923a60ad qe: Use GFP_ATOMIC while spin_lock_irqsave is held
cpm_muram_alloc_common is called twice and both the times
spin_lock_irqsave is held.
Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause
deadlock

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-03-09 10:44:13 -06:00
Saurabh Sengar 713df30bd9 qe: Make cpm_muram_alloc_common static
as cpm_muram_alloc_common is used only in this file,
making it static

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-03-09 10:44:12 -06:00
Zhao Qiang c9ee69c5e2 qe/ic: fix a buffer overflow error and add check elsewhere
127 is the theoretical up boundary of QEIC number,
in fact there only be 44 qe_ic_info now.
add check to overflow for qe_ic_info

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-03-09 10:44:12 -06:00
Arnd Bergmann 87023bc2ed Allwinner drivers changes for 4.6
Some minor fixes for the RSB and SRAM controller drivers
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Merge tag 'sunxi-drivers-for-4.6' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/drivers

Merge "Allwinner drivers changes for 4.6" from Maxime Ripard:

Some minor fixes for the RSB and SRAM controller drivers

* tag 'sunxi-drivers-for-4.6' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  drivers: soc: sunxi: Fix mask generation for SRAM mapping
  drivers: sunxi-rsb: fix error output type
2016-03-01 00:34:41 +01:00
Arnd Bergmann cc0336ec8a soc: TI knav_qmss: fix dma_addr_t printing
The knav_qmss driver is currently broken when CONFIG_LPAE is
set, which is a bit surprising because I'd expect that any serious
users of this platforms would have more than 2GB of RAM and require
LPAE.

The compiler clearly warns about an incorrect use of dma_addr_t
in the debug kernel messages:

ti/knav_qmss_queue.c: In function 'knav_queue_setup_region':
ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 9 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 10 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
ti/knav_qmss_queue.c: In function 'knav_queue_setup_link_ram':
ti/knav_qmss_queue.c:1175:118: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]

This patch changes all the debugging output to use the correct
%pad format string that works with both 32-bit and 64-bit dma_addr_t.
As the variable naming is somewhat confusing here, I also change
all *_phys names to *_dma when they refer to bus addresses that
are used for DMA rather than a physical memory address as seen from
the CPU. This is particularly important on keystone, because the
two things are not the same there.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-02-26 17:53:06 +01:00
Krzysztof Kozlowski b11301d5ad drivers: soc: samsung: Enable COMPILE_TEST
Get some build coverage of Exynos PMU driver. It depends on
asm/cputype.h so its compilation is limited to ARM architectures.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
2016-02-25 11:25:40 +09:00
Pankaj Dubey bfce552d0b drivers: soc: Add support for Exynos PMU driver
This patch moves Exynos PMU driver implementation from "arm/mach-exynos"
to "drivers/soc/samsung". This driver is mainly used for setting misc
bits of register from PMU IP of Exynos SoC which will be required to
configure before Suspend/Resume. Currently all these settings are done
in "arch/arm/mach-exynos/pmu.c" but moving ahead for ARM64 based SoC
support, there is a need of this PMU driver in driver/* folder.

This driver uses existing DT binding information and there should
be no functionality change in the supported platforms.

Signed-off-by: Amit Daniel Kachhap <amitdanielk@gmail.com>
[tested on Peach-Pi (Exynos5880)]
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[for testing on Trats2 (Exynos4412) and Odroid XU3 (Exynos5422)]
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[k.kozlowski: Rebased, add necessary infrastructure for building and
selecting drivers/soc because original patchset was on top of movement
SROMc to drivers/soc]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-02-25 10:18:07 +09:00
Shawn Lin 1d961f11a1 soc: rockchip: power-domain: fix err handle while probing
If we fail to probe the driver, we should not directly break
from the for_each_available_child_of_node since it calls of_node_get
while iterating. This patch add of_node_put to fix the unbalanced
call pair.

Fixes: 7c696693a4 ("soc: rockchip: power-domain: Add power domain driver")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-02-02 22:18:31 +01:00
Sascha Hauer cc8ed76938 soc: mediatek: SCPSYS: Fix double enabling of regulators
With CONFIG_PM enabled do not call genpd->power_on manually as this
will cause the regulators being turned on once in SCPSYS probe and
then again when the genpd core turns on the domains. Instead, call
genpd->power_on only with CONFIG_PM disabled and tell the genpd core
that the domains are disabled when registered.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-02-01 11:28:07 +01:00
Jens Kuske febe6569fa drivers: soc: sunxi: Fix mask generation for SRAM mapping
GENMASK is inclusive on both ends, therefor one has to be
subtracted from the width.
Also fixes the mask for debug output.

Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-01-27 20:29:20 +01:00
Matthias Brugger be29523da3 soc: mediatek: SCPSYS: use builtin_platform_driver
SCPSYS can't be built as module. Use builtin_platform_driver instead.
For this probe must not be __init and the data accessed can't be
__initconst. Remove this macros. To make the impact as small as possible,
fold scp_domain_data into scp_domain via a pointer.

Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Reported-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2016-01-25 18:59:41 +01:00
Henry Chen a3bbfbb0bc soc: mediatek: PMIC wrap: clear the STAUPD_TRIG bit of WDT_SRC_EN
Since STAUPD interrupts aren't handled on mt8173, disable watchdog timeout
monitor of STAUPD to avoid WDT_INT triggered by STAUPD.

Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-01-25 18:59:41 +01:00
Henry Chen 73efe5792b soc: mediatek: PMIC wrap: Clear the vldclr if state machine stay on FSM_VLDCLR state.
Sometimes PMIC is too busy to send data in time to cause pmic wrap timeout,
because pmic wrap is waiting for FSM_VLDCLR after finishing WACS2_CMD. It
just return error when issue happened, so the state machine will stay on
FSM_VLDCLR state when data send back later by PMIC and timeout again in next
time because pmic wrap waiting for FSM_IDLE state at the beginning of the
read/write function.

Clear the vldclr when timeout if state machine stay on FSM_VLDCLR.

Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Tested-by: Ricky Liang <jcliang@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-01-25 18:59:41 +01:00
Linus Walleij e847396b40 powerpc: qe_lib/gpio: Be sure to clamp return value
As we want gpio_chip .get() calls to be able to return negative
error codes and propagate to drivers, we need to go over all
drivers and make sure their return values are clamped to [0,1].
We do this by using the ret = !!(val) design pattern.

Cc: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-01-25 18:02:26 +01:00
zhangqing 8c20b67f28 soc: rockchip: power-domain: Modify power domain driver for rk3368
This driver is modified to support RK3368 SoC.

Signed-off-by: zhangqing <zhangqing@rock-chips.com>
Reviewed-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-01-25 15:15:19 +01:00
Linus Torvalds 79d245327f ARM: SoC support for Tegra platforms for v4.5
Here's a single-SoC topic branch that we've staged separately. Mainly
 because it was hard to sort the branch contents in a way that fit our
 existing branches due to some refactorings.
 
 The code has been in -next for quite a while, but we staged it in arm-soc
 a bit late, which is why we've kept it separate from the other updates
 and are sending it separately here.
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Merge tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC support for Tegra platforms from Olof Johansson:
 "Here's a single-SoC topic branch that we've staged separately.  Mainly
  because it was hard to sort the branch contents in a way that fit our
  existing branches due to some refactorings.

  The code has been in -next for quite a while, but we staged it in
  arm-soc a bit late, which is why we've kept it separate from the other
  updates and are sending it separately here"

* tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: tegra: Add NVIDIA Jetson TX1 Developer Kit support
  arm64: tegra: Add NVIDIA P2597 I/O board support
  arm64: tegra: Add NVIDIA Jetson TX1 support
  arm64: tegra: Add NVIDIA P2571 board support
  arm64: tegra: Add NVIDIA P2371 board support
  arm64: tegra: Add NVIDIA P2595 I/O board support
  arm64: tegra: Add NVIDIA P2530 main board support
  arm64: tegra: Add Tegra210 support
  arm64: tegra: Add NVIDIA Tegra132 Norrin support
  arm64: tegra: Add Tegra132 support
  ARM: tegra: select USB_ULPI from EHCI rather than platform
  ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
  amba: Hide TEGRA_AHB symbol
  soc/tegra: Add Tegra210 support
  soc/tegra: Provide per-SoC Kconfig symbols
2016-01-22 17:30:52 -08:00
Linus Torvalds 1b8ee1ec41 ARM: SoC fixes for v4.5 merge window
A few fixes for fallout that we didn't catch in time in -next, or smaller
 warning fixes that have been discovered since.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A few fixes for fallout that we didn't catch in time in -next, or
  smaller warning fixes that have been discovered since"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  soc: qcom/spm: shut up uninitialized variable warning
  ARM: realview: fix device tree build
  ARM: debug-ll: fix BCM63xx entry for multiplatform
  ARM: dts: armadillo800eva Correct extal1 frequency to 24 MHz
2016-01-22 17:26:00 -08:00
Arnd Bergmann 00affcac69 soc: qcom/spm: shut up uninitialized variable warning
gcc warns about the 'found' variable possibly being used uninitialized:

drivers/soc/qcom/spm.c: In function 'spm_dev_probe':
drivers/soc/qcom/spm.c:305:5: error: 'found' may be used uninitialized in this function [-Werror=maybe-uninitialized]

However, the code is correct because we know that there is
always at least one online CPU. This initializes the 'found'
variable to zero before the loop so the compiler knows
it does not have to warn about it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-01-22 11:49:45 +01:00
Linus Torvalds eae21770b4 Merge branch 'akpm' (patches from Andrew)
Merge third patch-bomb from Andrew Morton:
 "I'm pretty much done for -rc1 now:

   - the rest of MM, basically

   - lib/ updates

   - checkpatch, epoll, hfs, fatfs, ptrace, coredump, exit

   - cpu_mask simplifications

   - kexec, rapidio, MAINTAINERS etc, etc.

   - more dma-mapping cleanups/simplifications from hch"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (109 commits)
  MAINTAINERS: add/fix git URLs for various subsystems
  mm: memcontrol: add "sock" to cgroup2 memory.stat
  mm: memcontrol: basic memory statistics in cgroup2 memory controller
  mm: memcontrol: do not uncharge old page in page cache replacement
  Documentation: cgroup: add memory.swap.{current,max} description
  mm: free swap cache aggressively if memcg swap is full
  mm: vmscan: do not scan anon pages if memcg swap limit is hit
  swap.h: move memcg related stuff to the end of the file
  mm: memcontrol: replace mem_cgroup_lruvec_online with mem_cgroup_online
  mm: vmscan: pass memcg to get_scan_count()
  mm: memcontrol: charge swap to cgroup2
  mm: memcontrol: clean up alloc, online, offline, free functions
  mm: memcontrol: flatten struct cg_proto
  mm: memcontrol: rein in the CONFIG space madness
  net: drop tcp_memcontrol.c
  mm: memcontrol: introduce CONFIG_MEMCG_LEGACY_KMEM
  mm: memcontrol: allow to disable kmem accounting for cgroup2
  mm: memcontrol: account "kmem" consumers in cgroup2 memory controller
  mm: memcontrol: move kmem accounting code to CONFIG_MEMCG
  mm: memcontrol: separate kmem code from legacy tcp accounting code
  ...
2016-01-21 12:32:08 -08:00
Linus Torvalds 9638685e32 ARM: SoC driver updates for v4.5
Driver updates for ARM SoCs. Some for SoC-family code under drivers/soc,
 but also some other driver updates that don't belong anywhere else. We also
 bring in the drivers/reset code through arm-soc.
 
 Some of the larger updates:
 
 - Qualcomm support for SMEM, SMSM, SMP2P. All used to communicate with other
   parts of the chip/board on these platforms, all proprietary protocols that
   don't fit into other subsystems and live in drivers/soc for now.
 
 - System bus driver for UniPhier
 - Driver for the TI Wakeup M3 IPC device
 
 - Power management for Raspberry PI
 
 + Again a bunch of other smaller updates and patches.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for ARM SoCs.  Some for SoC-family code under
  drivers/soc, but also some other driver updates that don't belong
  anywhere else.  We also bring in the drivers/reset code through
  arm-soc.

  Some of the larger updates:

   - Qualcomm support for SMEM, SMSM, SMP2P.  All used to communicate
     with other parts of the chip/board on these platforms, all
     proprietary protocols that don't fit into other subsystems and live
     in drivers/soc for now.

   - System bus driver for UniPhier

   - Driver for the TI Wakeup M3 IPC device

   - Power management for Raspberry PI

  + Again a bunch of other smaller updates and patches"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
  bus: uniphier: allow only built-in driver
  ARM: bcm2835: clarify RASPBERRYPI_FIRMWARE dependency
  MAINTAINERS: Drop Kumar Gala from QCOM
  bus: uniphier-system-bus: add UniPhier System Bus driver
  ARM: bcm2835: add rpi power domain driver
  dt-bindings: add rpi power domain driver bindings
  ARM: bcm2835: Define two new packets from the latest firmware.
  drivers/soc: make mediatek/mtk-scpsys.c explicitly non-modular
  soc: mediatek: SCPSYS: Add regulator support
  MAINTAINERS: Change QCOM entries
  soc: qcom: smd-rpm: Add existing platform support
  memory/tegra: Add number of TLB lines for Tegra124
  reset: hi6220: fix modular build
  soc: qcom: Introduce WCNSS_CTRL SMD client
  ARM: qcom: select ARM_CPU_SUSPEND for power management
  MAINTAINERS: Add rules for Qualcomm dts files
  soc: qcom: enable smsm/smp2p modular build
  serial: msm_serial: Make config tristate
  soc: qcom: smp2p: Qualcomm Shared Memory Point to Point
  soc: qcom: smsm: Add driver for Qualcomm SMSM
  ...
2016-01-20 18:42:30 -08:00
Linus Torvalds 6b5a12dbca ARM: SoC multiplatform code changes for v4.5
This branch is the culmination of 5 years of effort to bring the ARMv6
 and ARMv7 platforms together such that they can all be enabled and
 boot the same kernel. It has been a tremendous amount of cleanup and
 refactoring by a huge number of people, and creation of several new
 (and major) subsystems to better abstract out all the platform details
 in an appropriate manner.
 
 The bulk of this branch is a large patchset from Arnd that brings several
 of the more minor and older platforms we have closer to multiplatform
 support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview
 Much of this is moving around header files from old mach directories,
 but there are also some cleanup patches of debug_ll (lowlevel debug
 per-platform options) and other parts.
 
 Linus Walleij also has some patchs to clean up the older ARM Realview
 platforms by finally introducing DT support, and Rob Herring has some
 for ARM Versatile which is now DT-only. Both of these platforms are
 now multiplatform.
 
 Finally, a couple of patches from Russell for Dove PMU, and a fix from
 Valentin Rothberg for Exynos ADC, which were rebased on top of the
 series to avoid conflicts.
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code updates from Arnd Bergmann:
 "This branch is the culmination of 5 years of effort to bring the ARMv6
  and ARMv7 platforms together such that they can all be enabled and
  boot the same kernel.  It has been a tremendous amount of cleanup and
  refactoring by a huge number of people, and creation of several new
  (and major) subsystems to better abstract out all the platform details
  in an appropriate manner.

  The bulk of this branch is a large patchset from Arnd that brings
  several of the more minor and older platforms we have closer to
  multiplatform support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0
  and realview Much of this is moving around header files from old mach
  directories, but there are also some cleanup patches of debug_ll
  (lowlevel debug per-platform options) and other parts.

  Linus Walleij also has some patchs to clean up the older ARM Realview
  platforms by finally introducing DT support, and Rob Herring has some
  for ARM Versatile which is now DT-only.  Both of these platforms are
  now multiplatform.

  Finally, a couple of patches from Russell for Dove PMU, and a fix from
  Valentin Rothberg for Exynos ADC, which were rebased on top of the
  series to avoid conflicts"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
  ARM: realview: don't select SMP_ON_UP for UP builds
  ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
  ARM: s3c64xx: fix pm-debug compilation
  iio: exynos-adc: fix irqf_oneshot.cocci warnings
  ARM: realview: build realview-dt SMP support only when used
  ARM: realview: select apropriate targets
  ARM: realview: clean up header files
  ARM: realview: make all header files local
  ARM: no longer make CPU targets visible separately
  ARM: integrator: use explicit core module options
  ARM: realview: enable multiplatform
  ARM: make default platform work for NOMMU
  ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
  ARM: defconfig: use correct debug_ll settings
  ARM: versatile: convert to multi-platform
  ARM: versatile: merge mach code into a single file
  ARM: versatile: switch to DT only booting and remove legacy code
  ARM: versatile: add DT based PCI detection
  ARM: pxa: mark ezx structures as __maybe_unused
  ARM: pxa: mark raumfeld init functions as __maybe_unused
  ...
2016-01-20 18:03:56 -08:00
Stephen Boyd c431e67812 drivers/soc/qcom/smd.c: use __ioread32_copy() instead of open-coding it
Now that we have a generic library function for this, replace the
open-coded instance.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Cc: <zajec5@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-20 17:09:18 -08:00
Linus Torvalds f689b742f2 powerpc updates for 4.5
- Ground work for the new Power9 MMU from Aneesh Kumar K.V
  - Optimise FP/VMX/VSX context switching from Anton Blanchard
 
  - Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica Gupta,
    Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling, Andrew Donnellan
  - Allow wrapper to work on non-english system from Laurent Vivier
  - Add rN aliases to the pt_regs_offset table from Rashmica Gupta
  - Fix module autoload for rackmeter & axonram drivers from Luis de Bethencourt
  - Include KVM guest test in all interrupt vectors from Paul Mackerras
  - Fix DSCR inheritance over fork() from Anton Blanchard
  - Make value-returning atomics & {cmp}xchg* & their atomic_ versions fully ordered from Boqun Feng
  - Print MSR TM bits in oops messages from Michael Neuling
  - Add TM signal return & invalid stack selftests from Michael Neuling
  - Limit EPOW reset event warnings from Vipin K Parashar
  - Remove the Cell QPACE code from Rashmica Gupta
  - Append linux_banner to exception information in xmon from Rashmica Gupta
  - Add selftest to check if VSRs are corrupted from Rashmica Gupta
  - Remove broken GregorianDay() from Daniel Axtens
  - Import Anton's context_switch2 benchmark into selftests from Michael Ellerman
  - Add selftest script to test HMI functionality from Daniel Axtens
  - Remove obsolete OPAL v2 support from Stewart Smith
  - Make enter_rtas() private from Michael Ellerman
  - PPR exception cleanups from Michael Ellerman
  - Add page soft dirty tracking from Laurent Dufour
  - Add support for Nvlink NPUs from Alistair Popple
  - Add support for kexec on 476fpe from Alistair Popple
  - Enable kernel CPU dlpar from sysfs from Nathan Fontenot
  - Copy only required pieces of the mm_context_t to the paca from Michael Neuling
  - Add a kmsg_dumper that flushes OPAL console output on panic from Russell Currey
  - Implement save_stack_trace_regs() to enable kprobe stack tracing from Steven Rostedt
  - Add HWCAP bits for Power9 from Michael Ellerman
  - Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
  - Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
  - scripts/recordmcount.pl: support data in text section on powerpc from Ulrich Weigand
  - Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand
 
  - cxl: Fix possible idr warning when contexts are released from Vaibhav Jain
  - cxl: use correct operator when writing pcie config space values from Andrew Donnellan
  - cxl: Fix DSI misses when the context owning task exits from Vaibhav Jain
  - cxl: fix build for GCC 4.6.x from Brian Norris
  - cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
  - cxl: Enable PCI device ID for future IBM CXL adapter from Uma Krishnan
 
  - Freescale updates from Scott: Highlights include moving QE code out of
    arch/powerpc (to be shared with arm), device tree updates, and minor fixes.
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Merge tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Core:
   - Ground work for the new Power9 MMU from Aneesh Kumar K.V
   - Optimise FP/VMX/VSX context switching from Anton Blanchard

  Misc:
   - Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica
     Gupta, Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling,
     Andrew Donnellan
   - Allow wrapper to work on non-english system from Laurent Vivier
   - Add rN aliases to the pt_regs_offset table from Rashmica Gupta
   - Fix module autoload for rackmeter & axonram drivers from Luis de
     Bethencourt
   - Include KVM guest test in all interrupt vectors from Paul Mackerras
   - Fix DSCR inheritance over fork() from Anton Blanchard
   - Make value-returning atomics & {cmp}xchg* & their atomic_ versions
     fully ordered from Boqun Feng
   - Print MSR TM bits in oops messages from Michael Neuling
   - Add TM signal return & invalid stack selftests from Michael Neuling
   - Limit EPOW reset event warnings from Vipin K Parashar
   - Remove the Cell QPACE code from Rashmica Gupta
   - Append linux_banner to exception information in xmon from Rashmica
     Gupta
   - Add selftest to check if VSRs are corrupted from Rashmica Gupta
   - Remove broken GregorianDay() from Daniel Axtens
   - Import Anton's context_switch2 benchmark into selftests from
     Michael Ellerman
   - Add selftest script to test HMI functionality from Daniel Axtens
   - Remove obsolete OPAL v2 support from Stewart Smith
   - Make enter_rtas() private from Michael Ellerman
   - PPR exception cleanups from Michael Ellerman
   - Add page soft dirty tracking from Laurent Dufour
   - Add support for Nvlink NPUs from Alistair Popple
   - Add support for kexec on 476fpe from Alistair Popple
   - Enable kernel CPU dlpar from sysfs from Nathan Fontenot
   - Copy only required pieces of the mm_context_t to the paca from
     Michael Neuling
   - Add a kmsg_dumper that flushes OPAL console output on panic from
     Russell Currey
   - Implement save_stack_trace_regs() to enable kprobe stack tracing
     from Steven Rostedt
   - Add HWCAP bits for Power9 from Michael Ellerman
   - Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
   - Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
   - scripts/recordmcount.pl: support data in text section on powerpc
     from Ulrich Weigand
   - Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand

  cxl:
   - cxl: Fix possible idr warning when contexts are released from
     Vaibhav Jain
   - cxl: use correct operator when writing pcie config space values
     from Andrew Donnellan
   - cxl: Fix DSI misses when the context owning task exits from Vaibhav
     Jain
   - cxl: fix build for GCC 4.6.x from Brian Norris
   - cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
   - cxl: Enable PCI device ID for future IBM CXL adapter from Uma
     Krishnan

  Freescale:
   - Freescale updates from Scott: Highlights include moving QE code out
     of arch/powerpc (to be shared with arm), device tree updates, and
     minor fixes"

* tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (149 commits)
  powerpc/module: Handle R_PPC64_ENTRY relocations
  scripts/recordmcount.pl: support data in text section on powerpc
  powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages
  powerpc/mm: fix _PAGE_SWP_SOFT_DIRTY breaking swapoff
  powerpc/mm: Fix _PAGE_PTE breaking swapoff
  cxl: Enable PCI device ID for future IBM CXL adapter
  cxl: use -Werror only with CONFIG_PPC_WERROR
  cxl: fix build for GCC 4.6.x
  powerpc: Add HWCAP bits for Power9
  powerpc/powernv: Reserve PE#0 on NPU
  powerpc/powernv: Change NPU PE# assignment
  powerpc/powernv: Fix update of NVLink DMA mask
  powerpc/powernv: Remove misleading comment in pci.c
  powerpc: Implement save_stack_trace_regs() to enable kprobe stack tracing
  powerpc: Fix build break due to paca mm_context_t changes
  cxl: Fix DSI misses when the context owning task exits
  MAINTAINERS: Update Scott Wood's e-mail address
  powerpc/powernv: Fix minor off-by-one error in opal_mce_check_early_recovery()
  powerpc: Fix style of self-test config prompts
  powerpc/powernv: Only delay opal_rtc_read() retry when necessary
  ...
2016-01-15 13:18:47 -08:00
Linus Torvalds 7d1fc01afc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  floppy: make local variable non-static
  exynos: fixes an incorrect header guard
  dt-bindings: fixes some incorrect header guards
  cpufreq-dt: correct dead link in documentation
  cpufreq: ARM big LITTLE: correct dead link in documentation
  treewide: Fix typos in printk
  Documentation: filesystem: Fix typo in fs/eventfd.c
  fs/super.c: use && instead of & for warn_on condition
  Documentation: fix sysfs-ptp
  lib: scatterlist: fix Kconfig description
2016-01-14 17:04:19 -08:00
Olof Johansson d0ac6119aa ARM: tegra: Core SoC changes for v4.5-rc1
The big thing here is Tegra210 support, which is really only the Kconfig
 symbol. Other than that there's a few miscellaneous fixes.
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Merge tag 'tegra-for-4.5-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into late/tegra

ARM: tegra: Core SoC changes for v4.5-rc1

The big thing here is Tegra210 support, which is really only the Kconfig
symbol. Other than that there's a few miscellaneous fixes.

* tag 'tegra-for-4.5-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: select USB_ULPI from EHCI rather than platform
  ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
  amba: Hide TEGRA_AHB symbol
  soc/tegra: Add Tegra210 support
  soc/tegra: Provide per-SoC Kconfig symbols

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-01-12 10:14:52 -08:00
Russell King 598bcc6ea6 Merge branches 'misc' and 'misc-rc6' into for-linus 2016-01-05 11:07:28 +00:00
Arnd Bergmann 22a5b1ddd8 ARM: bcm2835: clarify RASPBERRYPI_FIRMWARE dependency
The firmware driver can be a loadable module, but the power domain
can only be built-in, so we get a build error in an allmodconfig
kernel:

:(.text+0x17e59c): undefined reference to `rpi_firmware_property'
:(.text+0x17e51c): undefined reference to `rpi_firmware_get'
:(.text+0x17e244): undefined reference to `rpi_firmware_property'

This changes the dependency to only allow the power domain code
to be enabled when the firmware driver is built-in. Other users
of the firmware driver may still be loadable modules and not
everyone needs the power domains, so we don't change the firmware
code.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-31 23:44:17 +01:00
Arnd Bergmann 5d2c585c7d This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/drivers branch.
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Merge tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux into next/drivers

Pull "BCM2835 drivers changes for 4.5" from Eric Anholt:

This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/drivers branch.

* tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux:
  ARM: bcm2835: add rpi power domain driver
  dt-bindings: add rpi power domain driver bindings
  ARM: bcm2835: Define two new packets from the latest firmware.
2015-12-31 17:11:29 +01:00
Zhao Qiang 7aa1aa6ece QE: Move QE from arch/powerpc to drivers/soc
ls1 has qe and ls1 has arm cpu.
move qe from arch/powerpc to drivers/soc/fsl
to adapt to powerpc and arm

Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
2015-12-22 17:12:56 -06:00