Commit Graph

49 Commits

Author SHA1 Message Date
Linus Torvalds 2c97b5ae83 Devicetree updates for v5.5:
- DT schemas for PWM, syscon, power domains, SRAM, syscon-reboot,
   syscon-poweroff, renesas-irqc, simple-pm-bus, renesas-bsc, pwm-rcar,
   Renesas tpu, at24 eeprom, rtc-sh, Allwinner PS/2, sharp,ld-d5116z01b
   panel, Arm SMMU, max77650, Meson CEC, Amlogic canvas and DWC3 glue,
   Allwinner A10 mUSB and CAN, TI Davinci MDIO, QCom QCS404 interconnect,
   Unisoc/Spreadtrum SoCs and UART
 
 - Convert a bunch of Samsung bindings to DT schema
 
 - Convert a bunch of ST stm32 bindings to DT schema
 
 - Realtek and Exynos additions to Arm Mali bindings
 
 - Fix schema errors in RiscV CPU schema
 
 - Various schema fixes from improved meta-schema checks
 
 - Improve the handling of 'dma-ranges' and in particular fix DMA mask
   setup on PCI bridges
 
 - Fix a memory leak in add_changeset_property() and DT unit tests.
 
 - Several documentation improvements for schema validation
 
 - Rework build rules to improve schema validation errors
 
 - Color output for dtx_diff
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Merge tag 'devicetree-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - DT schemas for PWM, syscon, power domains, SRAM, syscon-reboot,
   syscon-poweroff, renesas-irqc, simple-pm-bus, renesas-bsc, pwm-rcar,
   Renesas tpu, at24 eeprom, rtc-sh, Allwinner PS/2, sharp,ld-d5116z01b
   panel, Arm SMMU, max77650, Meson CEC, Amlogic canvas and DWC3 glue,
   Allwinner A10 mUSB and CAN, TI Davinci MDIO, QCom QCS404
   interconnect, Unisoc/Spreadtrum SoCs and UART

 - Convert a bunch of Samsung bindings to DT schema

 - Convert a bunch of ST stm32 bindings to DT schema

 - Realtek and Exynos additions to Arm Mali bindings

 - Fix schema errors in RiscV CPU schema

 - Various schema fixes from improved meta-schema checks

 - Improve the handling of 'dma-ranges' and in particular fix DMA mask
   setup on PCI bridges

 - Fix a memory leak in add_changeset_property() and DT unit tests.

 - Several documentation improvements for schema validation

 - Rework build rules to improve schema validation errors

 - Color output for dtx_diff

* tag 'devicetree-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (138 commits)
  libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h
  dt-bindings: arm: Remove leftover axentia.txt
  of: unittest: fix memory leak in attach_node_and_children
  of: overlay: add_changeset_property() memory leak
  dt-bindings: interrupt-controller: arm,gic-v3: Add missing type to interrupt-partition-* nodes
  dt-bindings: firmware: ixp4xx: Drop redundant minItems/maxItems
  dt-bindings: power: Rename back power_domain.txt bindings to fix references
  dt-bindings: i2c: stm32: Migrate i2c-stm32 documentation to yaml
  dt-bindings: mtd: Convert stm32 fmc2-nand bindings to json-schema
  dt-bindings: remoteproc: convert stm32-rproc to json-schema
  dt-bindings: mailbox: convert stm32-ipcc to json-schema
  dt-bindings: mfd: Convert stm32 low power timers bindings to json-schema
  dt-bindings: interrupt-controller: Convert stm32-exti to json-schema
  dt-bindings: crypto: Convert stm32 HASH bindings to json-schema
  dt-bindings: rng: Convert stm32 RNG bindings to json-schema
  dt-bindings: pwm: Convert Samsung PWM bindings to json-schema
  dt-bindings: pwm: Convert PWM bindings to json-schema
  dt-bindings: serial: Add a new compatible string for SC9863A
  dt-bindings: serial: Convert sprd-uart to json-schema
  dt-bindings: arm: Add bindings for Unisoc SC9863A
  ...
2019-12-02 11:41:35 -08:00
Benjamin Gaignard 5059791efc dt-bindings: rng: Convert stm32 RNG bindings to json-schema
Convert the STM32 RNG binding to DT schema format using json-schema
Remove interrupt from the json-schema because it is not used by the driver.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-11-21 08:35:18 -06:00
Codrin Ciubotariu 454dfebae2 dt-bindings: rng: atmel-trng: add new compatible
Add compatible for new IP found on sam9x60 SoC.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-11-15 13:44:17 +08:00
Łukasz Stelmach e53619c840 dt-bindings: hwrng: Add Samsung Exynos 5250+ True RNG bindings
Add binding documentation for the True Random Number Generator
found on Samsung Exynos 5250+ SoCs.

Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-10-23 19:46:56 +11:00
Krzysztof Kozlowski 73b2608a28 dt-bindings: rng: exynos4-rng: Convert Exynos PRNG bindings to json-schema
Convert Samsung Exynos Pseudo Random Number Generator bindings to DT
schema format using json-schema.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-10-10 13:40:59 -05:00
Tony Lindgren 0c0ef9ea6f hwrng: omap3-rom - Fix missing clock by probing with device tree
Commit 0ed266d7ae ("clk: ti: omap3: cleanup unnecessary clock aliases")
removed old omap3 clock framework aliases but caused omap3-rom-rng to
stop working with clock not found error.

Based on discussions on the mailing list it was requested by Tero Kristo
that it would be best to fix this issue by probing omap3-rom-rng using
device tree to provide a proper clk property. The other option would be
to add back the missing clock alias, but that does not help moving things
forward with removing old legacy platform_data.

Let's also add a proper device tree binding and keep it together with
the fix.

Cc: devicetree@vger.kernel.org
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Adam Ford <aford173@gmail.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Fixes: 0ed266d7ae ("clk: ti: omap3: cleanup unnecessary clock aliases")
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-10-05 01:06:10 +10:00
Tomer Maimon 911aa1947c dt-binding: hwrng: add NPCM RNG documentation
Added device tree binding documentation for Nuvoton BMC
NPCM Random Number Generator (RNG).

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-10-05 01:04:32 +10:00
Linus Torvalds e3a008ac12 Devicetree updates for v5.4:
- A bunch of DT binding conversions to DT schema format
 
 - Clean-ups of the Arm idle-states binding
 
 - Support a default number of cells in of_for_each_phandle() when the
   cells name is missing
 
 - Expose dtbs_check and dt_binding_check in the make help
 
 - Convert writting-schema.md to ReST
 
 - HiSilicon reset controller binding updates
 
 - Add documentation for MT8516 RNG
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Merge tag 'devicetree-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - a bunch of DT binding conversions to DT schema format

 - clean-ups of the Arm idle-states binding

 - support a default number of cells in of_for_each_phandle() when the
   cells name is missing

 - expose dtbs_check and dt_binding_check in the make help

 - convert writting-schema.md to ReST

 - HiSilicon reset controller binding updates

 - add documentation for MT8516 RNG

* tag 'devicetree-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (46 commits)
  of: restore old handling of cells_name=NULL in of_*_phandle_with_args()
  bus: qcom: fix spelling mistake "ambigous" -> "ambiguous"
  of: Let of_for_each_phandle fallback to non-negative cell_count
  iommu: pass cell_count = -1 to of_for_each_phandle with cells_name
  dt-bindings: arm: Convert Realtek board/soc bindings to json-schema
  dt-bindings: arm: Convert Actions Semi bindings to jsonschema
  dt-bindings: Correct spelling in example schema
  dt-bindings: cpu: Add a support cpu type for cortex-a55
  dt-bindings: gpu: mali-midgard: Add samsung exynos5250 compatible
  dt-bindings: arm: idle-states: Move exit-latency-us explanation
  dt-bindings: arm: idle-states: Add punctuation to improve readability
  dt-bindings: arm: idle-states: Correct "constraint guarantees"
  dt-bindings: arm: idle-states: Correct references to wake-up delay
  dt-bindings: arm: idle-states: Use "e.g." and "i.e." consistently
  pinctrl-mcp23s08: Fix property-name in dt-example
  dt-bindings: Clarify interrupts-extended usage
  dt-bindings: Convert Arm Mali Utgard GPU to DT schema
  dt-bindings: Convert Arm Mali Bifrost GPU to DT schema
  dt-bindings: Convert Arm Mali Midgard GPU to DT schema
  dt-bindings: irq: Convert Allwinner NMI Controller to a schema
  ...
2019-09-19 13:48:37 -07:00
Daniel Mack 2a4bfd023f hwrng: timeriomem - relax check on memory resource size
The timeriomem_rng driver only accesses the first 4 bytes of the given
memory area and currently, it also forces that memory resource to be
exactly 4 bytes in size.

This, however, is problematic when used with device-trees that are
generated from things like FPGA toolchains, where the minimum size
of an exposed memory block may be something like 4k.

Hence, let's only check for what's needed for the driver to operate
properly; namely that we have enough memory available to read the
random data from.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-09-05 14:37:30 +10:00
Fabien Parent f981322804 dt-bindings: rng: mtk-rng: Add documentation for MT8516
This commit adds the device-tree documentation for the RNG IP on the
MediaTek MT8516 SoC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-08-21 13:55:16 -05:00
Neil Armstrong 78db5580af dt-bindings: rng: amlogic,meson-rng: convert to yaml
Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic Random Number generator over to a YAML schemas.

Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-08-13 16:11:00 -06:00
Florian Fainelli 6223949a15 dt-bindings: rng: Document BCM7211 RNG compatible string
BCM7211 features a RNG200 block, document its compatible string.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-06-20 14:18:32 +08:00
Ryder Lee 570d54fe24 dt-bindings: rng: update bindings for MT7629 SoC
This updates bindings for MT7629 RNG driver.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Acked-by: Sean Wang <sean.wang@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-11-16 16:31:20 -06:00
Vinod Koul d978b031c5 dt-bindings: crypto: Move prng binding to crypto
Now that we are adding new driver for prng in crypto, move the
binding as well.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-07-27 19:04:31 +08:00
Linus Torvalds 721afaa2ae ARM: Device-tree updates
As always, a large number of DT updates. Too many to enumerate them all,
 but at a glance:
 
 New SoCs introduced in this release:
 
  - Amlogic:
    + Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some set
      top boxes and other products.
 
  - Mediatek:
    + MT7623A, which is a flavor of the MT7623 family with other on-chip
      ethernet options.
 
  - Qualcomm:
    + SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
      (Cortex-A75/A55 derivative) SoC that's one of the current high-end
      mobile SoCs.
 
      It's great to see mainline support for it. So far, you
      can't do much with it, since a lot of peripherals are not yet in the
      DTs but driver support for USB, GPU and other pieces are starting to
      trickle in. This might end up being a well-supported SoC upstream if
      the momentum keeps up.
 
  - Renesas:
    + R8A77990, a.k.a R-Car E3, a new automotive entertainment-targeted
      SoC. Currently only one Cortex-A53 CPU is enabled, we are eagerly
      awaiting more. So far, basic drivers such as serial, gpios, PMU and
      ethernet are enabled.
    + R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
      GPU. Same here, basic set of drivers such as serial, gpios and ethernet
      enabled, and SMP support is also forthcoming.
 
  - STMicroelectronics:
    + STM32F469, very similar tih STM32F429 but with display support
 
 Enhancements to SoCs/platforms (DTS contents, some driver portions might
 not be in yet):
 
  - Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
  - Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
  - Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
  - Marvell Berlin2CD: SMP support, thermal sensors
  - Mediatek MT7623: Highspeed DMA, audio support
  - Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
  - Renesas: Watchdog and PMU support across many platforms
  - Rockchip RK3399: USB3 OTG support
  - Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
  - STMicro STM32: Lots of peripherals added to STM32MP175C
  - Uniphier: Ethernet support
 
 New boards:
 
  - Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
  - Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
  - Allwinner A33: Nintendo NES/SuperNES Classic Edition
  - Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
  - Berlin2CD: Valve Steam Link
  - Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
  - Broadcom: Raspberry Pi 3 B+
  - Mediatek MT7623N and MT7623A: reference boards
  - Meson 8M2: Tronsmart MXIII Plus
  - NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
  - Qualcomm MSM8974: Sony Xperia Z1 Compact support
  - Qualcomm SDM845: MTP development board
  - Renesas: Ebisu R8A77990 board
  - Renesas RZ/G1C: iwg23s: iWave G235-SDB
  - TI am335x: Pocketbeagle support
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree updates from Olof Johansson:
 "As always, a large number of DT updates. Too many to enumerate them
  all, but at a glance:

  New SoCs introduced in this release:

   - Amlogic:
      + Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some
        set top boxes and other products.

   - Mediatek:
      + MT7623A, which is a flavor of the MT7623 family with other
        on-chip ethernet options.

   - Qualcomm:
      + SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
        (Cortex-A75/A55 derivative) SoC that's one of the current
        high-end mobile SoCs.

        It's great to see mainline support for it. So far, you can't do
        much with it, since a lot of peripherals are not yet in the DTs
        but driver support for USB, GPU and other pieces are starting to
        trickle in. This might end up being a well-supported SoC
        upstream if the momentum keeps up.

   - Renesas:
      + R8A77990, a.k.a R-Car E3, a new automotive
        entertainment-targeted SoC. Currently only one Cortex-A53 CPU is
        enabled, we are eagerly awaiting more. So far, basic drivers
        such as serial, gpios, PMU and ethernet are enabled.
      + R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
        GPU. Same here, basic set of drivers such as serial, gpios and
        ethernet enabled, and SMP support is also forthcoming.

   - STMicroelectronics:
      + STM32F469, very similar tih STM32F429 but with display support

  Enhancements to SoCs/platforms (DTS contents, some driver portions
  might not be in yet):
   - Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
   - Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
   - Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
   - Marvell Berlin2CD: SMP support, thermal sensors
   - Mediatek MT7623: Highspeed DMA, audio support
   - Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
   - Renesas: Watchdog and PMU support across many platforms
   - Rockchip RK3399: USB3 OTG support
   - Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
   - STMicro STM32: Lots of peripherals added to STM32MP175C
   - Uniphier: Ethernet support

  New boards:
   - Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
   - Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
   - Allwinner A33: Nintendo NES/SuperNES Classic Edition
   - Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
   - Berlin2CD: Valve Steam Link
   - Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
   - Broadcom: Raspberry Pi 3 B+
   - Mediatek MT7623N and MT7623A: reference boards
   - Meson 8M2: Tronsmart MXIII Plus
   - NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
   - Qualcomm MSM8974: Sony Xperia Z1 Compact support
   - Qualcomm SDM845: MTP development board
   - Renesas: Ebisu R8A77990 board
   - Renesas RZ/G1C: iwg23s: iWave G235-SDB
   - TI am335x: Pocketbeagle support"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (448 commits)
  ARM: dts: aspeed: Fix hwrng register address
  arm64: dts: sprd: whale2: Add the rtc enable clock for watchdog
  arm64: dts: sprd: Add GPIO and GPIO keys device nodes
  arm64: dts: sprd: fix typo in 'remote-endpoint'
  arm64: dts: apq8096-db820c: Removed bt-en-1-8v regulator
  arm64: dts: fix regulator property name for wlan pcie endpoint
  arm64: dts: qcom: msm8996: Use UFS_GDSC for UFS
  ARM: dts: pxa3xx: fix MMC clocks
  ARM: pxa: dts: add pin definitions for extended GPIOs
  ARM: pxa: dts: add gpio-ranges to gpio controller
  ARM: dts: ipq8074: Enable few peripherals for hk01 board
  ARM: dts: ipq8074: Add pcie nodes
  ARM: dts: ipq8074: Add peripheral nodes
  ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c2 board file
  ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c1 board file
  ARM: dts: ipq4019: Add ipq4019-ap.dk07.1 common data
  ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk04.1-c3 board file
  ARM: dts: ipq4019: Add ipq4019-ap.dk04.1-c1 board file
  ARM: dts: ipq4019: Add ipq4019-ap.dk04.dtsi
  ARM: dts: ipq4019: Change the max opp frequency
  ...
2018-06-11 17:57:38 -07:00
Rob Herring b48e7dad43 dt-bindings: move various RNG bindings to rng/ directory
Bindings are supposed to be organized by device class/function. Move
bindings for various RNGs to rng/ binding directory.

Signed-off-by: Rob Herring <robh@kernel.org>
2018-04-27 16:56:55 -05:00
Stefan Wahren d3140a7961 dt-binding: rng: Add interrupt property for BCM2835
As Sylvain Garrigues pointed out the BCM2835 RNG block has an
interrupt. Also in preparation for Florian's upcoming patch series
add this property to the binding. While we are at it fix the
indenting of the example.

Link: https://github.com/raspberrypi/linux/issues/2195
CC: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-04-16 15:15:10 -07:00
Vitaly Andrianov 2805894c1e dt-bindings: rng: add bindings doc for Keystone SA HWRNG driver
The Keystone SA module has a hardware random generator module.
This commit adds binding doc for the KS2 SA HWRNG driver.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-03-23 23:40:05 +08:00
Vladimir Zapolskiy 9885b1bd95 dt-bindings: rng: Document Freescale i.MX21 and i.MX31 RNGA compatibles
Freescale i.MX21 and i.MX31 SoCs contain a Random Number Generator
Accelerator module (RNGA), which is replaced by RNGB and RNGC modules
on later i.MX SoC series, the change adds a new compatible property
to describe the controller.

Since all versions of Freescale RNG modules are legacy, apparently
the documentation file has no more potential for further extensions,
nevertheless generalize it by removing explicit RNGC specifics.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-03-16 23:35:42 +08:00
Gregory CLEMENT b166be0044 hwrng: omap - Fix clock resource by adding a register clock
On Armada 7K/8K we need to explicitly enable the register clock. This
clock is optional because not all the SoCs using this IP need it but at
least for Armada 7K/8K it is actually mandatory.

The binding documentation is updating accordingly.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-03-09 22:45:45 +08:00
lionel.debieve@st.com a888df9b89 dt-bindings: rng: add clock detection error for stm32
Add optional property to enable the clock detection error
on rng block. It is used to allow slow clock source which
give correct entropy for rng.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-03-03 00:03:10 +08:00
lionel.debieve@st.com 695788fd1b dt-bindings: rng: add reset node for stm32
Adding optional resets property for rng.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-03-03 00:03:09 +08:00
Florian Fainelli 67fe2fa8cf dt-bindings: rng: Incorporate brcm,bcm6368.txt binding
Since the same block is used on BCM2835 and BCM6368, merge the bindings
and remove the brcm,bcm6368.txt binding document.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-11-29 16:43:47 +11:00
Florian Fainelli 8ddef132a3 dt-bindings: rng: Document BCM7278 RNG200 compatible
BCM7278 includes a RGN200 hardware random number generator, document the
compatible string for that version of the IP.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-11-10 19:20:08 +08:00
PrasannaKumar Muralidharan f1f2237ff6 dt/bindings: exynos-rng: Move dt binding documentation to bindings/crypto
Samsung exynos PRNG driver is using crypto framework instead of
hw_random framework. So move the devicetree binding to crypto folder.

Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-09-22 17:43:15 +08:00
Steffen Trumtrar 15d05fd4ed Documentation: devicetree: add Freescale RNGC binding
Add binding documentation for the Freescale RNGC found on
some i.MX2/3 SoCs.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-08-03 14:00:20 +08:00
Sean Wang 34194913ea dt-bindings: rng: add MediaTek MT7622 Hardware Random Generator bindings
Document the bindings used by MediaTek MT7622 SoC hardware random number
generator.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-06-20 11:21:26 +08:00
Rick Altherr b14c534517 dt-bindings: timeriomem_rng: Add entropy quality property
Signed-off-by: Rick Altherr <raltherr@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-06-01 12:55:49 +08:00
Sean Wang c2b06bcd4b dt-bindings: hwrng: Add Mediatek hardware random generator bindings
Document the devicetree bindings for Mediatek random number
generator which could be found on MT7623 SoC or other similar
Mediatek SoCs.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-04-21 20:30:55 +08:00
Herbert Xu c6dc060906 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to resolve conflict between caam changes.
2017-04-05 21:57:07 +08:00
Thomas Petazzoni 74d1cf4897 dt-bindings: rng: clocks property on omap_rng not always mandatory
Commit 52060836f7 ("dt-bindings: omap-rng: Document SafeXcel IP-76
device variant") update the omap_rng Device Tree binding to add support
for the IP-76 variation of the IP. As part of this change, a "clocks"
property was added, but is indicated as "Required", without indicated
it's actually only required for some compatible strings.

This commit fixes that, by explicitly stating that the clocks property
is only required with the inside-secure,safexcel-eip76 compatible
string.

Fixes: 52060836f7 ("dt-bindings: omap-rng: Document SafeXcel IP-76 device variant")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 21:51:32 +08:00
Heiner Kallweit e56e12acfe dt-bindings: rng: add clock to DT binding documentation for hwrng
Add clock to DT binding documentation.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-16 17:58:47 +08:00
Romain Perier 52060836f7 dt-bindings: omap-rng: Document SafeXcel IP-76 device variant
This commits add missing fields in the documentation that are used
by the new device variant. It also includes DT example to show how
the variant should be used.

Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-10-21 10:26:20 +08:00
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
Florian Fainelli ab17787529 Documentation: devicetree: bindings: Add BCM5301x binding
Document the binding used by the Broadcom BCM5301x (Northstar) SoC
random number generator.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-06-27 16:57:37 +08:00
Neil Armstrong b1ec5b5a93 dt-bindings: hwrng: Add Amlogic Meson Hardware Random Generator bindings
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-06-15 08:53:33 -07:00
Yendapally Reddy Dhananjaya Reddy f8e4f9a0a8 dt-bindings: rng: Northstar Plus SoC rng bindings
Document the bindings used by Northstar Plus(NSP) SoC random number
generator.

Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-31 17:52:21 +08:00
Kefeng Wang c7995ee7ff dt/bindings: Add bindings for hisilicon random number generator
Document the devicetree bindings for the random number generator found
on Hisilicon Hip04 and Hip05 soc.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Rob Herring <rob@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-15 22:36:36 +08:00
Joshua Henderson d489d170ea dt/bindings: Add bindings for the PIC32 random number generator
Document the devicetree bindings for the random number generator found
on Microchip PIC32 class devices.

Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-02-17 04:07:47 +08:00
Álvaro Fernández Rojas 9dbcc215ad hwrng: brcm63xx - document device tree bindings
Documents device tree bindings for random number generator present on Broadcom
BCM6368 SoC.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-01-25 22:42:09 +08:00
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
Rob Herring 4f2f76f125 dt-bindings: consolidate RNG bindings
We have RNG bindings in hwrng/ and rng/. Consolidate them all under rng/.

Signed-off-by: Rob Herring <robh@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>
2015-10-22 09:21:23 -05:00
Krzysztof Kozlowski 2b748a2f64 dt-bindings: rng: Describe Exynos4 PRNG bindings
Document the bindings used by exynos-rng Pseudo Random Number Generator
driver.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-10-20 22:13:58 +08:00
Daniel Thompson ff90900a4b dt-bindings: Document the STM32 HW RNG bindings
This adds documentation of device tree bindings for the STM32 hardware
random number generator.

Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-10-14 22:23:26 +08:00
Lee Jones 8fd80f8ca6 hwrng: st: dt: Fix trivial typo in node address
DT nodes should not append their addresses with '0x'.

Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-10-08 21:42:23 +08:00
Lee Jones b4a5407ea8 hwrng: st - Provide DT bindings for ST's Random Number Generator
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-09-21 22:00:42 +08:00
Feng Kan 1b8815a980 Documentation: rng: Add X-Gene SoC RNG driver documentation
Add X-Gene SoC RNG driver documentation.

Signed-off-by: Feng Kan <fkan@apm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-08-29 21:46:40 +08:00
Stanimir Varbanov 2883229309 ARM: DT: msm: Add Qualcomm's PRNG driver binding document
This adds Qualcomm PRNG driver device tree binding documentation
to use as an example in dts trees.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-10-30 12:02:55 +08:00
Lubomir Rintel 8c4196a2fd hwrng: bcm2835 - Add Broadcom BCM2835 RNG driver
This adds a driver for random number generator present on Broadcom BCM2835 SoC,
used in Raspberry Pi and Roku 2 devices.

Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: linux-rpi-kernel@lists.infradead.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-04-25 21:01:44 +08:00