Commit Graph

171 Commits

Author SHA1 Message Date
Thor Thayer 51311eaacd Documentation: dt: serial: Add TX FIFO threshold parameter
Add the device tree binding needed to support the TX FIFO threshold
parameter.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27 12:55:49 +02:00
Alexandre TORGUE 3fa047fde4 dt-bindings: Add DMA bindings for STM32 USART
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22 11:48:55 +02:00
Alexandre TORGUE 1ff0727a04 DOCUMENTATION: dt-bindings: Document the STM32 USART bindings
This adds documentation of device tree bindings for the
STM32 USART

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22 11:48:55 +02:00
Andy Shevchenko 5db4f7f80d Revert "tty/serial/8250: use mctrl_gpio helpers"
Serial console is broken in v4.8-rcX. Mika and I independently bisected down to
commit 4ef03d3287 ("tty/serial/8250: use mctrl_gpio helpers").

Since neither author nor anyone else didn't propose a solution we better revert
it for now.

This reverts commit 4ef03d3287.

Link: https://lkml.kernel.org/r/20160809130229.GN1729@lahna.fi.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-08-31 15:36:01 +02:00
Linus Torvalds ed780686de ARM: 64-bit DT updates for v4.8
Just as the 32-bit contents, the 64-bit device tree branch also contains
 a number of additions this release cycle.
 
 New platforms:
  - LG LG1313
  - Mediatek MT6755
  - Renesas r8a7796
  - Broadcom 2837
 
  Other platforms with larger updates are:
  - Nvidia X1 platforms (USB 3.0, regulators, display subsystem)
  - Mediatek MT8173 (display subsystem added)
  - Rockchip RK3399 (a lot of new peripherals)
  - ARM Juno reference implementation (SCPI power domains, coresight, thermal)
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull 64-bit ARM DT updates from Olof Johansson:
 "Just as the 32-bit contents, the 64-bit device tree branch also
  contains a number of additions this release cycle.

  New platforms:
   - LG LG1313
   - Mediatek MT6755
   - Renesas r8a7796
   - Broadcom 2837

  Other platforms with larger updates are:
   - Nvidia X1 platforms (USB 3.0, regulators, display subsystem)
   - Mediatek MT8173 (display subsystem added)
   - Rockchip RK3399 (a lot of new peripherals)
   - ARM Juno reference implementation (SCPI power domains, coresight,
     thermal)"

* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (118 commits)
  arm64: tegra: Enable HDMI on Jetson TX1
  arm64: tegra: Add sor1_src clock
  arm64: tegra: Add XUSB powergates on Tegra210
  arm64: tegra: Add DPAUX pinctrl bindings
  arm64: tegra: Add ACONNECT bus node for Tegra210
  arm64: tegra: Add audio powergate node for Tegra210
  arm64: tegra: Add regulators for Tegra210 Smaug
  arm64: tegra: Correct Tegra210 XUSB mailbox interrupt
  arm64: tegra: Enable XUSB controller on Jetson TX1
  arm64: tegra: Enable debug serial on Jetson TX1
  arm64: tegra: Add Tegra210 XUSB controller
  arm64: tegra: Add Tegra210 XUSB pad controller
  arm64: tegra: Add DSI panel on Jetson TX1
  arm64: tegra: p2597: Add SDMMC power supplies
  arm64: tegra: Add PMIC support on Jetson TX1
  Revert "ARM64: DTS: meson-gxbb: switch ethernet to real clock"
  arm64: dts: hi6220: Add pl031 RTC support
  arm64: dts: r8a7796/salvator-x: Enable watchdog timer
  arm64: dts: r8a7796: Add RWDT node
  arm64: dts: r8a7796: Use SYSC "always-on" PM Domain
  ...
2016-08-01 18:47:01 -04:00
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 f64d6e2aaa DeviceTree update for 4.8:
- Removal of most of_platform_populate() calls in arch code. Now the DT
 core code calls it in the default case and platforms only need to call
 it if they have special needs.
 
 - Use pr_fmt on all the DT core print statements.
 
 - CoreSight binding doc improvements to block name descriptions.
 
 - Add dt_to_config script which can parse dts files and list
 corresponding kernel config options.
 
 - Fix memory leak hit with a PowerMac DT.
 
 - Correct a bunch of STMicro compatible strings to use the correct
 vendor prefix.
 
 - Fix DA9052 PMIC binding doc to match what is actually used in dts
 files.
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Merge tag 'devicetree-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:

 - remove most of_platform_populate() calls in arch code.  Now the DT
   core code calls it in the default case and platforms only need to
   call it if they have special needs

 - use pr_fmt on all the DT core print statements

 - CoreSight binding doc improvements to block name descriptions

 - add dt_to_config script which can parse dts files and list
   corresponding kernel config options

 - fix memory leak hit with a PowerMac DT

 - correct a bunch of STMicro compatible strings to use the correct
   vendor prefix

 - fix DA9052 PMIC binding doc to match what is actually used in dts
   files

* tag 'devicetree-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
  documentation: da9052: Update regulator bindings names to match DA9052/53 DTS expectations
  xtensa: Partially Revert "xtensa: Remove unnecessary of_platform_populate with default match table"
  xtensa: Fix build error due to missing include file
  MIPS: ath79: Add missing include file
  Fix spelling errors in Documentation/devicetree
  ARM: dts: fix STMicroelectronics compatible strings
  powerpc/dts: fix STMicroelectronics compatible strings
  Documentation: dt: i2c: use correct STMicroelectronics vendor prefix
  scripts/dtc: dt_to_config - kernel config options for a devicetree
  of: fdt: mark unflattened tree as detached
  of: overlay: add resolver error prints
  coresight: document binding acronyms
  Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
  of: use pr_fmt prefix for all console printing
  of/irq: Mark initialised interrupt controllers as populated
  of: fix memory leak related to safe_name()
  Revert "of/platform: export of_default_bus_match_table"
  of: unittest: use of_platform_default_populate() to populate default bus
  memory: omap-gpmc: use of_platform_default_populate() to populate default bus
  bus: uniphier-system-bus: use of_platform_default_populate() to populate default bus
  ...
2016-07-30 11:32:01 -07:00
Otto Kekäläinen 7587eb18fa Fix spelling errors in Documentation/devicetree
Signed-off-by: Otto Kekäläinen <otto@seravo.fi>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-07-22 14:54:05 -05:00
Alexander Shiyan d305345c9d serial: clps711x: Changing the compatibility string to match with the smallest supported chip
This patch changes the compatibility string to match with the smallest
supported chip (EP7209). Since the DT-support for this CPU is not yet
announced, this change is safe.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-07-06 17:38:16 +02:00
Mars Cheng 94613fa63d Document: DT: Add bindings for mediatek MT6755 SoC Platform
This adds DT binding documentation for Mediatek MT6755.

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-07-03 07:57:16 +02:00
Yegor Yefremov 4ef03d3287 tty/serial/8250: use mctrl_gpio helpers
This patch permits the usage for GPIOs to control
the CTS/RTS/DTR/DSR/DCD/RI signals.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-25 14:30:42 -07:00
Hiromitsu Yamasaki ac8305cd16 serial: sh-sci: Document SoC specific bindings for r8a7796
Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-25 09:07:51 -07:00
Geert Uytterhoeven b0405dc998 serial: sh-sci: Update DT binding documentation for dedicated RTS/CTS
Some Renesas SCIF UARTs have dedicated lines for RTS/CTS hardware flow
control.  Whether these lines exist depends on SoC and UART instance
inside the SoC.  Whether these lines can be used for hardware flow
control depends on board wiring.

Amend the DT bindings with an optional property to indicate that RTS/CTS
hardware flow control lines exist, and can be used as such, according to
the Generic Serial DT Bindings.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-25 09:07:51 -07:00
Geert Uytterhoeven 0c529b3fc6 serial: sh-sci: Update DT binding documentation for GPIO modem lines
Amend the DT bindings for the Renesas SCI driver to allow describing
optional GPIO-controlled modem lines, which can be used where dedicated
modem lines are not available.

The property naming is dictated by the Generic Serial DT Bindings.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-25 09:07:51 -07:00
Linus Torvalds 4029632c34 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull more MIPS updates from Ralf Baechle:
 "This is the secondnd batch of MIPS patches for 4.7. Summary:

  CPS:
   - Copy EVA configuration when starting secondary VPs.

  EIC:
   - Clear Status IPL.

  Lasat:
   - Fix a few off by one bugs.

  lib:
   - Mark intrinsics notrace.  Not only are the intrinsics
     uninteresting, it would cause infinite recursion.

  MAINTAINERS:
   - Add file patterns for MIPS BRCM device tree bindings.
   - Add file patterns for mips device tree bindings.

  MT7628:
   - Fix MT7628 pinmux typos.
   - wled_an pinmux gpio.
   - EPHY LEDs pinmux support.

  Pistachio:
   - Enable KASLR

  VDSO:
   - Build microMIPS VDSO for microMIPS kernels.
   - Fix aliasing warning by building with `-fno-strict-aliasing' for
     debugging but also tracing them might result in recursion.

  Misc:
   - Add missing FROZEN hotplug notifier transitions.
   - Fix clk binding example for varioius PIC32 devices.
   - Fix cpu interrupt controller node-names in the DT files.
   - Fix XPA CPU feature separation.
   - Fix write_gc0_* macros when writing zero.
   - Add inline asm encoding helpers.
   - Add missing VZ accessor microMIPS encodings.
   - Fix little endian microMIPS MSA encodings.
   - Add 64-bit HTW fields and fix its configuration.
   - Fix sigreturn via VDSO on microMIPS kernel.
   - Lots of typo fixes.
   - Add definitions of SegCtl registers and use them"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (49 commits)
  MIPS: Add missing FROZEN hotplug notifier transitions
  MIPS: Build microMIPS VDSO for microMIPS kernels
  MIPS: Fix sigreturn via VDSO on microMIPS kernel
  MIPS: devicetree: fix cpu interrupt controller node-names
  MIPS: VDSO: Build with `-fno-strict-aliasing'
  MIPS: Pistachio: Enable KASLR
  MIPS: lib: Mark intrinsics notrace
  MIPS: Fix 64-bit HTW configuration
  MIPS: Add 64-bit HTW fields
  MAINTAINERS: Add file patterns for mips device tree bindings
  MAINTAINERS: Add file patterns for mips brcm device tree bindings
  MIPS: Simplify DSP instruction encoding macros
  MIPS: Add missing tlbinvf/XPA microMIPS encodings
  MIPS: Fix little endian microMIPS MSA encodings
  MIPS: Add missing VZ accessor microMIPS encodings
  MIPS: Add inline asm encoding helpers
  MIPS: Spelling fix lets -> let's
  MIPS: VR41xx: Fix typo
  MIPS: oprofile: Fix typo
  MIPS: math-emu: Fix typo
  ...
2016-05-28 16:41:39 -07:00
Purna Chandra Mandal 9c719d87e9 dt/bindings: Correct clk binding example for PIC32 serial.
Update binding example based on new clock binding scheme.
[1] Documentation/devicetree/bindings/clock/microchip,pic32.txt

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Joshua Henderson <digitalpeer@digitalpeer.com>
Cc: Andrei Pistirica <andrei.pistirica@microchip.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13267/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-28 12:35:04 +02:00
Linus Torvalds e10abc629f TTY and Serial driver update for 4.7-rc1
Here's the large TTY and Serial driver update for 4.7-rc1.
 
 A few new serial drivers are added here, and Peter has fixed a bunch of
 long-standing bugs in the tty layer and serial drivers as normal.  Full
 details in the shortlog.
 
 All of these have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty and serial driver updates from Greg KH:
 "Here's the large TTY and Serial driver update for 4.7-rc1.

  A few new serial drivers are added here, and Peter has fixed a bunch
  of long-standing bugs in the tty layer and serial drivers as normal.
  Full details in the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (88 commits)
  MAINTAINERS: 8250: remove website reference
  serial: core: Fix port mutex assert if lockdep disabled
  serial: 8250_dw: fix wrong logic in dw8250_check_lcr()
  tty: vt, finish looping on duplicate
  tty: vt, return error when con_startup fails
  QE-UART: add "fsl,t1040-ucc-uart" to of_device_id
  serial: mctrl_gpio: Drop support for out1-gpios and out2-gpios
  serial: 8250dw: Add device HID for future AMD UART controller
  Fix OpenSSH pty regression on close
  serial: mctrl_gpio: add IRQ locking
  serial: 8250: Integrate Fintek into 8250_base
  serial: mps2-uart: add support for early console
  serial: mps2-uart: add MPS2 UART driver
  dt-bindings: document the MPS2 UART bindings
  serial: sirf: Use generic uart-has-rtscts DT property
  serial: sirf: Introduce helper variable struct device_node *np
  serial: mxs-auart: Use generic uart-has-rtscts DT property
  serial: imx: Use generic uart-has-rtscts DT property
  doc: DT: Add Generic Serial Device Tree Bindings
  serial: 8250: of: Make tegra_serial_handle_break() static
  ...
2016-05-20 20:57:27 -07:00
Linus Torvalds e7f44b65b5 Devicetree for 4.7:
- Rewrite of the unflattening code to avoid recursion and lessen the
   stack usage.
 
 - Rewrite of the phandle args parsing code to get rid of the fixed args
   size. This is needed for IOMMU code.
 
 - Sync to latest dtc which adds more dts style checking. These warnings
   are enabled with "W=1" compiles.
 
 - Tegra documentation updates related to the above warnings.
 
 - A bunch of spelling and other doc fixes.
 
 - Various vendor prefix additions.
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Merge tag 'devicetree-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Rewrite of the unflattening code to avoid recursion and lessen the
   stack usage.

 - Rewrite of the phandle args parsing code to get rid of the fixed args
   size.  This is needed for IOMMU code.

 - Sync to latest dtc which adds more dts style checking.  These
   warnings are enabled with "W=1" compiles.

 - Tegra documentation updates related to the above warnings.

 - A bunch of spelling and other doc fixes.

 - Various vendor prefix additions.

* tag 'devicetree-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (52 commits)
  devicetree: Add Creative Technology vendor id
  gpio: dt-bindings: add ibm,ppc4xx-gpio binding
  of/unittest: Remove unnecessary module.h header inclusion
  drivers/of: Fix build warning in populate_node()
  drivers/of: Fix depth when unflattening devicetree
  of: dynamic: changeset prop-update revert fix
  drivers/of: Export of_detach_node()
  drivers/of: Return allocated memory from of_fdt_unflatten_tree()
  drivers/of: Specify parent node in of_fdt_unflatten_tree()
  drivers/of: Rename unflatten_dt_node()
  drivers/of: Avoid recursively calling unflatten_dt_node()
  drivers/of: Split unflatten_dt_node()
  of: include errno.h in of_graph.h
  of: document refcount incrementation of of_get_cpu_node()
  Documentation: dt: soc: fix spelling mistakes
  Documentation: dt: power: fix spelling mistake
  Documentation: dt: pinctrl: fix spelling mistake
  Documentation: dt: opp: fix spelling mistake
  Documentation: dt: net: fix spelling mistakes
  Documentation: dt: mtd: fix spelling mistake
  ...
2016-05-20 14:51:34 -07:00
Andrei Pistirica 81dfdd39c7 dt/bindings: Add bindings for PIC32 UART driver
Document the devicetree bindings for the UART peripheral found on
Microchip PIC32 class devices.

Signed-off-by: Andrei Pistirica <andrei.pistirica@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12100/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:56 +02:00
Vladimir Murzin 8a872e770f dt-bindings: document the MPS2 UART bindings
This adds documentation of device tree bindings for the
UART found on ARM MPS2 platform

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven 7f60830ab1 serial: sirf: Use generic uart-has-rtscts DT property
Convert the SiRF UART driver from using the vendor-specific
"sirf,uart-has-rtscts" to the generic "uart-has-rtscts" DT property, as
documented by the Generic Serial DT Bindings.

The old vendor-specific property is still recognized by the driver for
backwards compatibility, but deprecated.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven 182cdcb8bb serial: mxs-auart: Use generic uart-has-rtscts DT property
Convert the Freescale MXS AUART driver from using the vendor-specific
"fsl,uart-has-rtscts" to the generic "uart-has-rtscts" DT property, as
documented by the Generic Serial DT Bindings.

The old vendor-specific property is still recognized by the driver for
backwards compatibility, but it is deprecated.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven 1006ed7e1b serial: imx: Use generic uart-has-rtscts DT property
Convert the Freescale IMX UART driver from using the vendor-specific
"fsl,uart-has-rtscts" to the generic "uart-has-rtscts" DT property, as
documented by the Generic Serial DT Bindings.

The old vendor-specific property is still recognized by the driver for
backwards compatibility, but deprecated.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven 8d21f24416 doc: DT: Add Generic Serial Device Tree Bindings
Document a set of generic properties for describing UARTs in a
device tree:
  1. The GPIO modem control properties are currently duplicated across
     hardware-specific binding documentation,
  2. The property for dedicated RTS/CTS hardware flow control lines is
     already supported by several drivers, albeit with a vendor-specific
     prefix, hence make it generic.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <rob@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven 78bca84b95 serial: Move Marvell UART DT bindings to correct location
All other UART DT binding documentation is under
Documentation/devicetree/bindings/serial/.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Oleksij Rempel 254da0d753 serial: mxs-auart: add Alphascale ASM9260 support
Alphascale ASM9260 uart IP has some common registers with
Freescale STMP37XX. This patch provide changes which
allow to reuse mxs-auart.c code for ASM9260.

Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven 8b4958573f serial: Move Marvell UART DT bindings to correct location
All other UART DT binding documentation is under
Documentation/devicetree/bindings/serial/.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-04-25 08:38:53 -05:00
Linus Torvalds 5a6b7e53d0 ARM: DT updates for v4.6
These are all the updates to device tree files for 32-bit platforms,
 plus a couple of related 64-bit updates:
 
 New SoC support:
  - Allwinner A83T
  - Axis Artpec-6 SoC
  - Mediatek MT7623 SoC
  - TI Keystone K2G SoC
  - ST Microelectronics stm32f469
 
 New board or machine support:
  - ARM Juno R2
  - Buffalo Linkstation LS-QVL and LS-GL
  - Cubietruck plus
  - D-Link DIR-885L
  - DT support for ARM RealView PB1176 and PB11MPCore
  - Google Nexus 7
  - Homlet v2
  - Itead Ibox
  - Lamobo R1
  - LG Optimus Black
  - Logicpd dm3730
  - Raspberry Pi Model A
 
 Other changes include
  - Lots of updates for Qualcomm APQ8064, MSM8974 and others
  - Improved support for Nokia N900 and other OMAP machines
  - Common clk support for lpc32xx
  - HDLCD display on ARM
  - Improved stm32f429 support
  - Improved Renesas device support, r8a779x and others
  - Lots of Rockchip updates
  - Samsung cleanups
  - ADC support for Atmel SAMA5D2
  - BCM2835 (Raspberry Pi) improvements
  - Broadcom Northstar Plus enhancements
  - OMAP GPMC rework
  - Several improvements for Atmel SAMA5D2 / Xplained
  - Global change to remove inofficial "arm,amba-bus" compatible string
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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,
  plus a couple of related 64-bit updates:

  New SoC support:
   - Allwinner A83T
   - Axis Artpec-6 SoC
   - Mediatek MT7623 SoC
   - TI Keystone K2G SoC
   - ST Microelectronics stm32f469

  New board or machine support:
   - ARM Juno R2
   - Buffalo Linkstation LS-QVL and LS-GL
   - Cubietruck plus
   - D-Link DIR-885L
   - DT support for ARM RealView PB1176 and PB11MPCore
   - Google Nexus 7
   - Homlet v2
   - Itead Ibox
   - Lamobo R1
   - LG Optimus Black
   - Logicpd dm3730
   - Raspberry Pi Model A

  Other changes include
   - Lots of updates for Qualcomm APQ8064, MSM8974 and others
   - Improved support for Nokia N900 and other OMAP machines
   - Common clk support for lpc32xx
   - HDLCD display on ARM
   - Improved stm32f429 support
   - Improved Renesas device support, r8a779x and others
   - Lots of Rockchip updates
   - Samsung cleanups
   - ADC support for Atmel SAMA5D2
   - BCM2835 (Raspberry Pi) improvements
   - Broadcom Northstar Plus enhancements
   - OMAP GPMC rework
   - Several improvements for Atmel SAMA5D2 / Xplained
   - Global change to remove inofficial "arm,amba-bus" compatible
     string"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (350 commits)
  ARM, ARM64: dts: drop "arm,amba-bus" in favor of "simple-bus"
  ARM: dts: artpec: dual-license on artpec6.dtsi
  ARM: dts: ux500: add synaptics RMI4 for Ux500 TVK DT
  arm64: dts: juno/vexpress: fix node name unit-address presence warnings
  arm64: dts: foundation-v8: add SBSA Generic Watchdog device node
  ARM: dts: at91: sama5d2 Xplained: add leds node
  ARM: dts: at91: sama5d2 Xplained: add user push button
  ARM: dts: at91: sama5d2 Xplained: set pin muxing for usb gadget and usb host
  ARM: dts: stm32f429: Enable Ethernet on Eval board
  ARM: dts: omap3-sniper: TWL4030 keypad support
  Revert "ARM: dts: DRA7: Add dt nodes for PWMSS"
  ARM: dts: dm814x: dra62x: Disable wait pin monitoring for NAND
  ARM: dts: dm814x: dra62x: Fix NAND device nodes
  ARM: dts: stm32f429: Add Ethernet support
  ARM: dts: stm32f429: Add system config bank node
  ARM: dts: at91: sama5d2: add nand0 and nfc0 nodes
  ARM: dts: at91: sama5d2: add dma properties to UART nodes
  ARM: dts: at91: sama5d2 Xplained: Correct the macb irq pinctrl node
  ARM: dts: exynos: Don't overheat the Odroid XU3-Lite on high load
  ARM: dts: exynos: Add cooling levels for Exynos5422/5800 CPUs
  ...
2016-03-20 15:15:48 -07:00
Linus Torvalds 96b9b1c956 TTY/Serial patches for 4.6-rc1
Here's the big tty/serial driver pull request for 4.6-rc1.
 
 Lots of changes in here, Peter has been on a tear again, with lots of
 refactoring and bugs fixes, many thanks to the great work he has been
 doing.  Lots of driver updates and fixes as well, full details in the
 shortlog.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here's the big tty/serial driver pull request for 4.6-rc1.

  Lots of changes in here, Peter has been on a tear again, with lots of
  refactoring and bugs fixes, many thanks to the great work he has been
  doing.  Lots of driver updates and fixes as well, full details in the
  shortlog.

  All have been in linux-next for a while with no reported issues"

* tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (220 commits)
  serial: 8250: describe CONFIG_SERIAL_8250_RSA
  serial: samsung: optimize UART rx fifo access routine
  serial: pl011: add mark/space parity support
  serial: sa1100: make sa1100_register_uart_fns a function
  tty: serial: 8250: add MOXA Smartio MUE boards support
  serial: 8250: convert drivers to use up_to_u8250p()
  serial: 8250/mediatek: fix building with SERIAL_8250=m
  serial: 8250/ingenic: fix building with SERIAL_8250=m
  serial: 8250/uniphier: fix modular build
  Revert "drivers/tty/serial: make 8250/8250_ingenic.c explicitly non-modular"
  Revert "drivers/tty/serial: make 8250/8250_mtk.c explicitly non-modular"
  serial: mvebu-uart: initial support for Armada-3700 serial port
  serial: mctrl_gpio: Add missing module license
  serial: ifx6x60: avoid uninitialized variable use
  tty/serial: at91: fix bad offset for UART timeout register
  tty/serial: at91: restore dynamic driver binding
  serial: 8250: Add hardware dependency to RT288X option
  TTY, devpts: document pty count limiting
  tty: goldfish: support platform_device with id -1
  drivers: tty: goldfish: Add device tree bindings
  ...
2016-03-17 13:53:25 -07:00
Fabio Estevam 32e593b9c7 serial: fsl-imx-uart: Fix typo in fsl,dte-mode description
We should say "The uart works in DCE mode".

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-02-12 16:16:01 -06:00
John Crispin 0c92241328 Document: DT: Add bindings for mediatek MT7623 SoC Platform
This adds a DT binding documentation for the MT7623 SoC from Mediatek.

Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-02-11 11:39:54 +01:00
Martin Sperl 45d7e9a51c dt/bindings: serial: bcm2835: add binding documentation for bcm2835-aux-uart
Add binding documentation for the bcm2835-aux-uart driver.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-06 23:13:30 -08:00
Simon Horman 020641768a serial: sh-sci: Add device tree support for r8a7792
Simply document new compat strings.
There appears to be no need for a driver updates.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-06 22:54:55 -08:00
Linus Torvalds 6d1c244803 ARM: DT updates for v4.5
As usual, the bulk of this release is again DT file contents.
 
 There's a huge number of changes here, and it's challenging to give a crisp
 overview of just what is in here. To start with:
 
 New boards:
 
 - TI-based DM3730 from LogicPD (Torpedo)
 - Cosmic+ M4 (nommu) initial support (Freescale Vybrid)
 - Raspberry Pi 2 DT files
 - Watchdog on Meson8b
 - Veyron-mickey (ASUS Chromebit) DTS
 - Rockchip rk3228 SoC and eval board
 - Sigma Designs Tango4
 
 Improvements:
 
 - Improved support for Qualcomm APQ8084, including Sony Xperia Z DT files
 - Misc new devices for Rockchip rk3036 and rk3288
 - Allwinner updates for misc SoCs and systems
 
 ... and a _large_ number of other changes across the field. Devices
 added to SoC DTSI and board DTS files for a number of SoC vendors, new
 product boards on already-supported SoCs, cleanups and refactorings of
 existing DTS/DTSI files and a bunch of other changes.
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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 Olof Johansson:
 "As usual, the bulk of this release is again DT file contents.

  There's a huge number of changes here, and it's challenging to give a
  crisp overview of just what is in here.  To start with:

  New boards:

   - TI-based DM3730 from LogicPD (Torpedo)
   - Cosmic+ M4 (nommu) initial support (Freescale Vybrid)
   - Raspberry Pi 2 DT files
   - Watchdog on Meson8b
   - Veyron-mickey (ASUS Chromebit) DTS
   - Rockchip rk3228 SoC and eval board
   - Sigma Designs Tango4

  Improvements:

   - Improved support for Qualcomm APQ8084, including Sony Xperia Z DT files
   - Misc new devices for Rockchip rk3036 and rk3288
   - Allwinner updates for misc SoCs and systems

  ... and a _large_ number of other changes across the field.  Devices
  added to SoC DTSI and board DTS files for a number of SoC vendors, new
  product boards on already-supported SoCs, cleanups and refactorings of
  existing DTS/DTSI files and a bunch of other changes"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (469 commits)
  ARM: dts: compulab: add new board description
  ARM: versatile: add the syscon LEDs to the DT
  dts: vt8500: Fix errors in SDHC node for WM8505
  ARM: dts: imx6q: clean up unused ipu2grp
  ARM: dts: silk: Add compatible property to "partitions" node
  ARM: dts: gose: Add compatible property to "partitions" node
  ARM: dts: porter: Add compatible property to "partitions" node
  ARM: dts: koelsch: Add compatible property to "partitions" node
  ARM: dts: lager: Add compatible property to "partitions" node
  ARM: dts: bockw: Add compatible property to "partitions" node
  ARM: dts: meson8b: Add watchdog node
  Documentation: watchdog: Add new bindings for meson8b
  ARM: meson: Add status LED for Odroid-C1
  ARM: dts: uniphier: fix a typo in comment block
  ARM: bcm2835: Add the auxiliary clocks to the device tree.
  ARM: bcm2835: Add devicetree for bcm2836 and Raspberry Pi 2 B
  ARM: bcm2835: Move the CPU/peripheral include out of common RPi DT.
  ARM: bcm2835: Split the DT for peripherals from the DT for the CPU
  ARM: realview: set up cache correctly on the PB11MPCore
  ARM: dts: Unify G2D device node with other devices on exynos4
  ...
2016-01-20 18:16:29 -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
Greg Kroah-Hartman f658f21c65 Merge branch 'scif-clk-sck-brg-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into tty-next
Geert writes:

Summary:
  - Clean up the naming of clocks in the sh-sci driver and its DT bindings,
  - Add support for the optional external clock on (H)SCI(F), where this pin
    can serve as a clock input,
  - Add support for the optional clock sources for the Baud Rate
    Generator for External Clock (BRG), as found on some SCIF variants
    and on HSCIF.
2016-01-07 21:04:46 -08:00
Geert Uytterhoeven 176ae5f674 serial: sh-sci: Update DT binding documentation for BRG support
Amend the DT bindings to include the optional clock sources for the Baud
Rate Generator for External Clock (BRG), as found on some SCIF variants
and on HSCIF.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-17 11:18:06 +01:00
Geert Uytterhoeven 9a040c9f21 serial: sh-sci: Update DT binding documentation for external clock input
Amend the DT bindings to include the optional external clock on
(H)SCI(F) and some SCIFA, where this pin can serve as a clock input,
depending on board wiring.

Clarify the use of the divided functional clock as a source for the
sampling clock.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-17 11:18:01 +01:00
Geert Uytterhoeven 598604ff22 serial: sh-sci: Add fallback compatibility strings
Add fallback compatibility strings for R-Car Gen1, Gen2, and Gen3.
This is in keeping with the fallback scheme being adopted wherever
appropriate for drivers for Renesas SoCs.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2015-12-17 11:17:56 +01:00
Laurent Pinchart a9ec81f4ed serial: sh-sci: Drop the interface clock
As no platform defines an interface clock the SCI driver always falls
back to a clock named "peripheral_clk".
  - On SH platforms that clock is the base clock for the SCI functional
    clock and has the same frequency,
  - On ARM platforms that clock doesn't exist, and clk_get() will return
    the default clock for the device.
We can thus make the functional clock mandatory and drop the interface
clock.

EPROBE_DEFER is handled for clocks that may be referenced from DT (i.e.
"fck", and the deprecated "sci_ick").

Cc: devicetree@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
[geert: Handle EPROBE_DEFER, reformat description, break long comment line]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-17 11:17:51 +01:00
Rashmica Gupta 24ad1648ed powerpc/cell: Remove the Cell QPACE code
All users of QPACE have upgraded to QPACE2 so remove the Cell QPACE code.

Signed-off-by: Rashmica Gupta <rashmicy@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-12-14 20:41:50 +11:00
Ulrich Hecht 456ad4a138 serial: sh-sci: Add device tree bindings for r8a7793
Also replaces "R-Car M2" with "R-Car M2-W" to avoid confusion.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-13 19:59:48 -08:00
Erin Lo 02eca17376 Document: DT: Add bindings for mediatek MT2701 SoC Platform
This adds a DT binding documentation for the MT2701 SoC from Mediatek.

Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2015-11-20 13:59:04 +01:00
Linus Torvalds 9bbd4b9f38 DeviceTree updates for 4.4:
- DT binding doc consolidation moving similar bindings to common
   locations. The majority of these are display related which were
   scattered in video/, fb/, drm/, gpu/, and panel/ directories.
 - Add new config option, CONFIG_OF_ALL_DTBS, to enable building all dtbs
   in the tree for most arches with dts files (except powerpc for now).
 - OF_IRQ=n fixes for user enabled CONFIG_OF.
 - of_node_put ref counting fixes from Julia Lawall.
 - Common DT binding for wakeup-source and deprecation of all similar
   bindings.
 - DT binding for PXA LCD controller.
 - Allow ignoring failed PCI resource translations in order to ignore
   64-bit addresses on non-LPAE 32-bit kernels.
 - Support setting the NUMA node from DT instead of only from parent
   device.
 - Couple of earlycon DT parsing fixes for address and options.
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Merge tag 'devicetree-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:
 "A fairly large (by DT standards) pull request this time with the
  majority being some overdue moving DT binding docs around to
  consolidate similar bindings.

   - DT binding doc consolidation moving similar bindings to common
     locations.  The majority of these are display related which were
     scattered in video/, fb/, drm/, gpu/, and panel/ directories.

   - Add new config option, CONFIG_OF_ALL_DTBS, to enable building all
     dtbs in the tree for most arches with dts files (except powerpc for
     now).

   - OF_IRQ=n fixes for user enabled CONFIG_OF.

   - of_node_put ref counting fixes from Julia Lawall.

   - Common DT binding for wakeup-source and deprecation of all similar
     bindings.

   - DT binding for PXA LCD controller.

   - Allow ignoring failed PCI resource translations in order to ignore
     64-bit addresses on non-LPAE 32-bit kernels.

   - Support setting the NUMA node from DT instead of only from parent
     device.

   - Couple of earlycon DT parsing fixes for address and options"

* tag 'devicetree-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (45 commits)
  MAINTAINERS: update DT binding doc locations
  devicetree: add Sigma Designs vendor prefix
  of: simplify arch_find_n_match_cpu_physical_id() function
  Documentation: arm: Fixed typo in socfpga fpga mgr example
  Documentation: devicetree: fix reference to legacy wakeup properties
  Documentation: devicetree: standardize/consolidate on "wakeup-source" property
  drivers: of: removing assignment of 0 to static variable
  xtensa: enable building of all dtbs
  mips: enable building of all dtbs
  metag: enable building of all dtbs
  metag: use common make variables for dtb builds
  h8300: enable building of all dtbs
  arm64: enable building of all dtbs
  arm: enable building of all dtbs
  arc: enable building of all dtbs
  arc: use common make variables for dtb builds
  of: add config option to enable building of all dtbs
  of/fdt: fix error checking for earlycon address
  of/overlay: add missing of_node_put
  of/platform: add missing of_node_put
  ...
2015-11-06 12:17:09 -08:00
Geert Uytterhoeven 656875dfdb serial: pl011: Spelling s/clocks-names/clock-names/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
2015-10-22 09:23:56 -05:00
Geert Uytterhoeven 06e7bd1f9b serial: pl011: Spelling s/clocks-names/clock-names/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 21:18:30 -07:00
Jarkko Nikula 191b77c361 DT: ARM: pxa: Remove incorrect binding from documentation
Remove "mrvl,lpss-ssp" property from documentation because LPSS SSP type is
for certain Intel platforms. I believe commit a6e56c28a1
("ARM: pxa: ssp: add DT bindings") added it by accident by copying all
enum pxa_ssp_type types from include/linux/pxa2xx_ssp.h.

Please note this was removed from arch/arm/plat-pxa/ssp.c by the
commit b692cb83b1 ("ARM: pxa: ssp: Fix build error by removing originally
incorrect DT binding").

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2015-10-13 13:31:21 -05:00
Ivan T. Ivanov 9969394501 tty: serial: msm: Add RX DMA support
Add receive DMA support for UARTDM type of controllers.

Tested on APQ8064, which have UARTDM v1.3 and ADM DMA engine
and APQ8016, which have UARTDM v1.4 and BAM DMA engine.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 19:15:17 +01:00
Ivan T. Ivanov 3a878c430f tty: serial: msm: Add TX DMA support
Add transmit DMA support for UARTDM type of controllers.

Tested on APQ8064, which have UARTDM v1.3 and ADM DMA engine
and APQ8016, which have UARTDM v1.4 and BAM DMA engine.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 19:15:17 +01:00
Heikki Krogerus c73942e22a serial: 8250_dw: proper support for UARTs without busy functionality
If the DW_apb_uart is configured with UART_16550_COMPATIBLE
configuration parameter set, then the Busy Functionality is
not available. These UARTs will never generate the Busy
detect indication interrupt, and therefore don't need
handling for it.

This creates a small optimization for the DW_apb_uarts
configured without the busy functionality, but more
importantly, it removes the small but real risk of hitting
potential issues caused by busy functionality handling when
no busy functionality exist.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 18:38:45 +01:00