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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-27 14:43:58 +08:00
Commit Graph

2577 Commits

Author SHA1 Message Date
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
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
Linus Torvalds
0c582826a1 ARM: SoC non-urgent fixes for v4.5
As usual, we queue up a few fixes that don't seem urgent enough to go in
 through -rc.
 
  - MAINTAINERS updates to add a list for brcmstb and fix a typo
  - A handful of fixes for OMAP 81xx, a recently resurrected platform so these
    can't be considered real regressions and thus got queued.
  - A couple of other small fixes for scoop, sa1100 and davinci
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

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

   - MAINTAINERS updates to add a list for brcmstb and fix a typo
   - A handful of fixes for OMAP 81xx, a recently resurrected platform
     so these can't be considered real regressions and thus got queued.
   - A couple of other small fixes for scoop, sa1100 and davinci"

* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: OMAP2+: Fix randconfig build warning for dm814_pllss_data
  ARM: sa1100/simpad: Be sure to clamp return value
  ARM: scoop: Be sure to clamp return value
  ARM: davinci: fix a problematic usage of WARN()
  ARM: davinci: only select WT cache if cache is enabled
  ARM: OMAP2+: Remove useless check for legacy booting for dm814x
  ARM: OMAP2+: Enable GPIO for dm814x
  ARM: dts: Fix dm814x pinctrl address and mask
  ARM: dts: Fix dm8148 control modules ranges
  ARM: OMAP2+: Fix timer entries for dm814x
  ARM: dts: Fix some mux and divider clocks to get dm814x-evm booting
  ARM: OMAP2+: Add DPPLS clock manager for dm814x
  clk: ti: Add few dm814x clock aliases
  ARM: dts: Fix dm814x entries for pllss and prcm
  MAINTAINERS: gpio-brcmstb: Remove stray '>'
  MAINTAINERS: brcmstb: Include Broadcom internal mailing-list
2016-01-20 17:44:16 -08:00
Linus Torvalds
e3de671dd6 asm-generic changes for 4.5
The asm-generic tree this time contains one series from Nicolas Pitre
 that makes the optimized do_div() implementation from the ARM
 architecture available to all architectures. This also adds stricter
 type checking for callers of do_div, which has uncovered a number
 of bugs in existing code, and fixes up the ones we have found.
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Merge tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic updates from Arnd Bergmann:
 "The asm-generic tree this time contains one series from Nicolas Pitre
  that makes the optimized do_div() implementation from the ARM
  architecture available to all architectures.

  This also adds stricter type checking for callers of do_div, which has
  uncovered a number of bugs in existing code, and fixes up the ones we
  have found"

* tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  ARM: asm/div64.h: adjust to generic codde
  __div64_32(): make it overridable at compile time
  __div64_const32(): abstract out the actual 128-bit cross product code
  do_div(): generic optimization for constant divisor on 32-bit machines
  div64.h: optimize do_div() for power-of-two constant divisors
  mtd/sm_ftl.c: fix wrong do_div() usage
  drm/mgag200/mgag200_mode.c: fix wrong do_div() usage
  hid-sensor-hub.c: fix wrong do_div() usage
  ti/fapll: fix wrong do_div() usage
  ti/clkt_dpll: fix wrong do_div() usage
  tegra/clk-divider: fix wrong do_div() usage
  imx/clk-pllv2: fix wrong do_div() usage
  imx/clk-pllv1: fix wrong do_div() usage
  nouveau/nvkm/subdev/clk/gk20a.c: fix wrong do_div() usage
2016-01-20 17:30:20 -08:00
Vladimir Zapolskiy
3da834e3e5 clk: remove duplicated COMMON_CLK_NXP record from clk/Kconfig
Presumably the second COMMON_CLK_NXP config option in
drivers/clk/Kconfig appeared after a merge conflict resolution, remove
the wrong record of two.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2016-01-13 18:09:52 -08:00
Michael Turquette
b360ada3f1 clk: tegra: Changes for v4.5-rc1
This set of changes adds support for the Tegra210 SoC and contains a
 couple fixes and cleanups.
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Merge tag 'tegra-for-4.5-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into clk-next

clk: tegra: Changes for v4.5-rc1

This set of changes adds support for the Tegra210 SoC and contains a
couple fixes and cleanups.
2016-01-04 16:16:45 -08:00
Russell King
7ed88aa2ef clk: fix clk-gpio.c with optional clock= DT property
When the clock DT property is not given, of_clk_get_parent_count()
returns -ENOENT, which then tries to allocate -2 x 4 bytes of memory,
which of course fails, causing the whole driver to fail to create
the clock.

This causes the SolidRun platforms to fail probing the SDHCI1 interface
which is connected to the WiFi.

Fix this by detecting errno codes, skipping the allocation, and fixing
of_clk_gpio_gate_delayed_register_get() to handle a NULL parent_names
array.

Fixes: 80eeb1f0f7 ("clk: add gpio controlled clock multiplexer")
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2016-01-02 23:19:50 -08:00
Michael Turquette
49dea76aeb Merge branch 'clk-rockchip' into clk-next 2016-01-02 13:41:09 -08:00
Heiko Stübner
5b73840375 clk: rockchip: fix section mismatches with new child-clocks
To model the muxes downstream of fractional dividers we introduced the
child property, allowing to describe a direct child clock.
The first implementation seems to cause section warnings, as the core
clock-tree is marked as initdata while the data pointed to from the
child element is not.

While there may be some way to also set that missing property in the
inline notation I didn't find it, so to actually fix the issue for now
move the sub-definitions into separate declarations that can have
their own __initdata properties.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2016-01-02 13:40:29 -08:00
Brian Norris
0b2e78865d clk: gpio: handle error codes for of_clk_get_parent_count()
We might make bad memory allocations if we get (e.g.) -ENOSYS from
of_clk_get_parent_count().

Noticed by Coverity.

Fixes: f66541ba02 ("clk: gpio: Get parent clk names in of_gpio_clk_setup()")
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Sergej Sawazki <ce3a@gmx.de>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-31 21:54:45 -08:00
Sudip Mukherjee
c76eb11c8f clk: gpio: fix memory leak
If we fail to allocate parent_name then we are returning but we missed
freeing data which has already been allocated.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-31 21:31:58 -08:00
Michael Turquette
9e256c722f Merge branch 'clk-renesas' into clk-next 2015-12-31 15:17:39 -08:00
Ulrich Hecht
c1c5864d94 clk: shmobile: r8a7795: Add SATA0 clock
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-31 15:15:30 -08:00
Arnd Bergmann
d731afa460 Samsung DeviceTree updates and improvements for 4.5
1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
    Chromebooks.
 2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
    yet and on XU3-Lite and XU4 it is not supported.
 3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
 4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
    This depends on new SSS clock.
 5. Add rotator nodes for Exynos4 and Exynos5.
 6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
    now it cannot be used as OTG.
 7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
    in case of Exynos4210.
 8. Put MDMA1 in proper domain on Exynos4210 as well.
 9. Minor cleanups.
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Merge tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt

Merge "Samsung DeviceTree updates and improvements for 4.5" from Krzysztof Kozlowski:

1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
   Chromebooks.
2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
   yet and on XU3-Lite and XU4 it is not supported.
3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
   This depends on new SSS clock.
5. Add rotator nodes for Exynos4 and Exynos5.
6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
   now it cannot be used as OTG.
7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
   in case of Exynos4210.
8. Put MDMA1 in proper domain on Exynos4210 as well.
9. Minor cleanups.

* tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (21 commits)
  ARM: dts: Unify G2D device node with other devices on exynos4
  ARM: dts: Add power domain to G2D device on exynos4210
  ARM: dts: MDMA1 device belongs to LCD0 power domain on exynos4210
  ARM: dts: Remove unneeded GPIO include in exynos4412-odroidu3
  ARM: dts: exynos4210-universal_c210: Disable DMA for UARTs
  ARM: dts: Use peripheral mode for dwc3_1 on exynos5422-odroidxu3
  ARM: dts: Add rotator node on exynos5420
  ARM: dts: Add rotator node on exynos5250
  ARM: dts: Fix power domain for sysmmu-rotator device on exynos4
  ARM: dts: Add rotator nodes on exynos4
  ARM: dts: Enable PRNG module on exynos4412-trats2
  ARM: dts: Add PRNG module for exynos4
  dt-bindings: remove deprecated compatible string from exynos-hdmi
  ARM: dts: Remove fimd node from exynos5422-odroidxu3-common
  ARM: dts: Mark eMMC as non-removable in exynos5250-snow-common
  ARM: dts: Remove broken-cd from eMMC node in exynos5420-peach-pi
  ARM: dts: Remove broken-cd from eMMC node in exynos5800-peach-pi
  ARM: dts: Mark SDIO as non-removable in exynos5250-snow-common
  ARM: dts: Mark SDIO as non-removable in exynos5420-peach-pit
  ARM: dts: Mark SDIO as non-removable in exynos5800-peach-pi
  ...
2015-12-31 17:31:56 +01:00
Arnd Bergmann
d4e68fa37f Add minimal device tree support for dra62x also known j5eco. It is
related to dm814x, just the clocks are a bit different and it has a
 different set of integrated devices. And let's get some basic dm814x
 and dra62x devices working as many of the devices are like on am33xx::
 
 - pinctrl using the pinctrl defines as for am33xx
 
 - Updated EDMA bindings with support for using exma_xbar
 
 - MMC support for dm814x-evm, t410 and dra62x-j5eco-evm
 
 - USB support for dm814x-evm, t410 and dra62x-j5eco-evm
 
 This branch depends on an earlier omap-for-v4.5/81xx-fixes-signed
 branch that has dm814x dts fixes interlaced with SoC related fixes to
 keep things booting. The interlaced SoC and dts fixes were needed
 because of issues with the device tree defined clocks that just
 happened to work on bootloader timings for t410 earlier.
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Merge tag 'omap-for-v4.5/81xx-dts-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Pull "reworked dts changes for ti81xx devices and minimal
dra62x j5ec-evm support" from Tony Lindgren:

Add minimal device tree support for dra62x also known j5eco. It is
related to dm814x, just the clocks are a bit different and it has a
different set of integrated devices. And let's get some basic dm814x
and dra62x devices working as many of the devices are like on am33xx::

- pinctrl using the pinctrl defines as for am33xx

- Updated EDMA bindings with support for using exma_xbar

- MMC support for dm814x-evm, t410 and dra62x-j5eco-evm

- USB support for dm814x-evm, t410 and dra62x-j5eco-evm

This branch depends on an earlier omap-for-v4.5/81xx-fixes-signed
branch that has dm814x dts fixes interlaced with SoC related fixes to
keep things booting. The interlaced SoC and dts fixes were needed
because of issues with the device tree defined clocks that just
happened to work on bootloader timings for t410 earlier.

* tag 'omap-for-v4.5/81xx-dts-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (21 commits)
  ARM: dts: Add usb support for j5-eco evm
  ARM: dts: Add usb support for hp t410
  ARM: dts: Add usb support for dm814x-evm
  ARM: dts: Add usb support for dm814x and dra62x
  ARM: dts: Enable emmc on hp t410
  ARM: dts: Add mmc support for dra62x j5-eco evm
  ARM: dts: Add mmc support for dm8148-evm
  ARM: dts: Add mmc device entries for dm814x
  ARM: dts: Update edma bindings on dm814x to use edma_xbar
  ARM: dts: Add pinctrl macros for dm814x
  ARM: dts: Add minimal dra62x j5-eco evm support
  ARM: dts: Add basic support for dra62x j5-eco SoC
  ARM: OMAP2+: Remove useless check for legacy booting for dm814x
  ARM: OMAP2+: Enable GPIO for dm814x
  ARM: dts: Fix dm814x pinctrl address and mask
  ARM: dts: Fix dm8148 control modules ranges
  ARM: OMAP2+: Fix timer entries for dm814x
  ARM: dts: Fix some mux and divider clocks to get dm814x-evm booting
  ARM: OMAP2+: Add DPPLS clock manager for dm814x
  clk: ti: Add few dm814x clock aliases
  ...
2015-12-31 16:25:22 +01:00
Michael Turquette
82d0f8bc4b Merge branch 'clk-bcm2835' into clk-next 2015-12-24 20:39:02 -08:00
Remi Pommarel
cfbab8fbab clk: bcm2835: Add PWM clock support
Register the pwm clock for bcm2835.

Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-24 20:38:38 -08:00
Remi Pommarel
6d18b8adbe clk: bcm2835: Support for clock parent selection
Some bcm2835 clocks used by hardware (like "PWM" or "H264") can have multiple
parent clocks. These clocks divide the rate of a parent which can be selected by
setting the proper bits in the clock control register.

Previously all these parents where handled by a mux clock. But a mux clock
cannot be used because updating clock control register to select parent needs a
password to be xor'd with the parent index.

This patch get rid of mux clock and make these clocks handle their own parent,
allowing them to select the one to use.

Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-24 20:38:30 -08:00
Remi Pommarel
9c95b32ca0 clk: bcm2835: add a round up ability to the clock divisor
Make bcm2835_clock_choose_div to optionally round up the chosen MASH divisor
so that the resulting average rate will not be higher than the requested one.

Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-24 20:38:06 -08:00
Michael Turquette
5b50c522d5 Merge branch 'clk-lpc32xx' into clk-next 2015-12-24 12:34:29 -08:00
Vladimir Zapolskiy
f7c82a60ba clk: lpc32xx: add common clock framework driver
Add support for all configurable clocks found on NXP LPC32xx SoC.

The list contains several heterogenous groups of clocks:
* system clocks including multiple dividers and muxes,
* x397 PLL, HCLK PLL and USB PLL,
* peripheral clocks inherited from rtc, hclk and pclk,
* USB controller clocks: AHB slave, I2C, OTG, OHCI and device.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-24 12:31:26 -08:00
Vladimir Zapolskiy
8a896310a7 clk: lpc18xx: add NXP specific COMMON_CLK_NXP configuration symbol
The change adds COMMON_CLK_NXP configuration symbol and enables it for
NXP LPC18XX architecture, this is needed to reuse drivers/clk/nxp
folder for NXP common clock framework drivers other than LPC18XX one.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-24 12:31:24 -08:00
Michael Turquette
cf87a88f51 Allwinner clocks changes for 4.5
Clock patches for the Allwinner SoCs:
   - H3 clocks
   - A10/A20 Video Engine clocks
   - DRAM gates
   - A80 special CPU clock
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Merge tag 'sunxi-clocks-for-4.5' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next

Allwinner clocks changes for 4.5

Clock patches for the Allwinner SoCs:
  - H3 clocks
  - A10/A20 Video Engine clocks
  - DRAM gates
  - A80 special CPU clock
2015-12-23 23:23:18 -08:00
Michael Turquette
a915e30dd2 Merge branch 'clk-rockchip' into clk-next 2015-12-23 13:08:56 -08:00
Xing Zheng
b0158bb27c clk: rockchip: rk3036: include downstream muxes into fractional dividers
Use the newly introduced possibility to combine the fractional dividers
with their downstream muxes for all fractional dividers on currently
supported RK3036 SoCs.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-23 12:57:31 -08:00
Heiko Stuebner
2eb8c7104c clk: add flag for clocks that need to be enabled on rate changes
Some clocks need to be enabled to accept rate changes. This patch adds a
new flag CLK_SET_RATE_UNGATE that lets clk_change_rate enable the clock
before trying to change the rate and disable it again afterwards.
This of course doesn't effect clocks that are already running at that
point, as their refcount will only temporarily increase.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-23 12:57:31 -08:00
Sjoerd Simons
84a8c54166 clk: rockchip: Allow the RK3288 SPDIF clocks to change their parent
The clock branches leading to sclk_spdif and sclk_spdif_8ch on RK3288
SoCs only feed those clocks, allow those clocks to change their parents
all the way up the hierarchy.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-23 12:57:30 -08:00
Heiko Stuebner
6674642089 clk: rockchip: include downstream muxes into fractional dividers
Use the newly introduced possibility to combine the fractional dividers
with their downstream muxes for all fractional dividers on currently
supported Rockchip SoCs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-23 12:57:30 -08:00
Heiko Stuebner
8ca1ca8f60 clk: rockchip: handle mux dependency of fractional dividers
The fractional dividers of Rockchip SoCs contain an "auto-gating-feature"
that requires the downstream mux to actually point to the fractional
divider and the fractional divider gate to be enabled, for it to really
accept changes to the divider ratio.

The downstream muxes themselfs are not generic enough to include them
directly into the fractional divider, as they have varying sources of
parent clocks including not only clocks related to the fractional
dividers but other clocks as well.

To solve this, allow our clock branches to specify direct child clock-
branches in the new child property, let the fractional divider register
its downstream mux through this and add a clock notifier that temporarily
switches the mux setting when it notices rate changes to the fractional
divider.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-23 12:57:29 -08:00
Michael Turquette
ce6dd266d5 Merge branch 'clk-bcm2835' into clk-next 2015-12-22 16:49:38 -08:00
Eric Anholt
5e63dcc74b clk: bcm2835: Add a driver for the auxiliary peripheral clock gates.
There are a pair of SPI masters and a mini UART that were last minute
additions.  As a result, they didn't get integrated in the same way as
the other gates off of the VPU clock in CPRMAN.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-22 16:47:17 -08:00
Olof Johansson
84829814d6 The i.MX device tree updates for 4.5:
- New boards support: imx51-ts4800, imx6q-novena, CompuLab imx7d SoM/SBC,
   vf610m4-cosmic
 - Add ADC device support for imx6ul and imx7d
 - Remove config space from PCIe controller ranges property for i.MX6
 - Add Vivante GPU nodes for i.MX6
 - Add DCU, LCD, and SATA devices for LS1021A
 - A series to update Ventana gw5xxx boards getting HDMI and LVDS to work
   simultaneously and devices like PWM and SPI added
 - Quite a few random cleanups and minor updates
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Merge tag 'imx-dt-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

The i.MX device tree updates for 4.5:
- New boards support: imx51-ts4800, imx6q-novena, CompuLab imx7d SoM/SBC,
  vf610m4-cosmic
- Add ADC device support for imx6ul and imx7d
- Remove config space from PCIe controller ranges property for i.MX6
- Add Vivante GPU nodes for i.MX6
- Add DCU, LCD, and SATA devices for LS1021A
- A series to update Ventana gw5xxx boards getting HDMI and LVDS to work
  simultaneously and devices like PWM and SPI added
- Quite a few random cleanups and minor updates

* tag 'imx-dt-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (50 commits)
  ARM: dts: imx7d: sbc-imx7: add basic board support
  ARM: dts: imx7d: cl-som-imx7: add basic module support
  ARM: dts: TS-4800: add touchscreen support
  ARM: dts: ts-4800: Add LCD support
  ARM: dts: imx6q: add Novena board
  devicetree: bindings: Add vendor prefix for Kosagi
  ARM: dts: TS-4800: use weim IP to map the FPGA
  ARM: dts: TS-4800: drop uart rts/cts pin reservations
  ARM: dts: imx6: add Vivante GPU nodes
  ARM: dts: imx28: add alternate auart4 pinmux
  ARM: dts: ls1021a: add sata node to dts
  ARM: dts: TS-4800: add basic device tree
  of: documentation: add bindings documentation for TS-4800
  of: add vendor prefix for Technologic Systems
  ARM: dts: imx7d-sdb: add ADC support
  ARM: dts: imx7d.dtsi: add ADC support
  ARM: dts: vf-colibri: add CAN support
  ARM: mxs: dt: cfa10057: fix backlight PWM
  ARM: dts: imx6qdl: move GIC to right location in DT
  ARM: dts: imx6qdl: add IPU aliases
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-12-22 14:59:55 -08:00
Michael Turquette
471a9abeb1 Merge branch 'clk-dove' into clk-next 2015-12-22 12:34:39 -08:00
Russell King
63b8d92c79 clk: add Dove PLL divider support for GPU, VMeta and AXI clocks
Add support for the Dove PLL dividers, which are used to generate the
clocks for the AXI bus, as well as the GPU and VMeta peripherals.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-22 12:25:00 -08:00
Michael Turquette
1807b34f95 Merge tag 'clk-samsung-4.5' of git://linuxtv.org/snawrocki/samsung into clk-next
drivers/clk/samsung updates (mostly bug fixes):
 - instantiation of the cpu clocks and addition of the GSCL
   IP parent clocks to the list of available consumer clocks
   for exynos542x SoCs;
 - MFC IP parent clock fix for exynos542x;
 - fix of locking bug in samsung/clk-cpu.c which caused
   system crashes with cpufreq enabled;
 - minor cleanup for s3c2410.
2015-12-22 11:57:37 -08:00
Michael Turquette
b8f15e7119 Merge commit 'fe5fa8fbd4d47f40a45fa29ee1abdb10cb061ec2' into clk-next 2015-12-22 11:57:35 -08:00
Michael Turquette
fcd5ac1a41 Merge tag 'imx-clk-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-next
The i.MX clock updates for 4.5:
- Add is_prepared function callback for pllv3 clock driver
- Use imx_check_clocks() on imx6ul and imx7d clock drivers to save
  some code
- Add a core clock for imx7d to support generic cpufreq driver
- Support imx6q clock routing with OSC to anaclk2/2b
- To support more precise pixel clocks on imx5, allow ipu_di_sel clock
  selectors to influence the PLLs that they are derived from
- A cleanup on imx25 OSC clock
2015-12-22 11:57:34 -08:00
Michael Turquette
eaaa6fb53f Merge tag 'v4.5-rockchip-clk1_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next
Rockchip clock changes for 4.5 containing
- a new pll-type used on rk3036 and other Cortex-A7 socs
- new clock-trees for rk3036 and rk3228
- switch rk3288 plls to slow mode on reboot
- a bunch of new clock ids
- some more critical clocks
- wrong register offsets for the rk3368 cpuclks
- allowing more than 2 parents for the cpuclk
2015-12-22 11:57:33 -08:00
Michael Turquette
d90e149666 Merge branch 'clk-shmobile-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next 2015-12-22 11:57:32 -08:00
Masahiro Yamada
3837bd277a clk: fix codying style of if ... else blocks
This code is unreadable due to the blank line between if and else
blocks.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-22 10:11:52 -08:00
Shawn Guo
c89dcce4e1 Merge branch 'imx/clk' into imx/dt 2015-12-22 20:40:27 +08:00
Heiko Stuebner
dfff24bde7 clk: rockchip: only enter pll slow-mode directly before reboots on rk3288
As commit 1d33929e2a ("clk: rockchip: switch PLLs to slow mode before
reboot for rk3288") states, switching the PLLs to slow-mode is only
necessary when rebooting using the soft-reset done through the CRU.

The dwc2 controllers used create really big number of interrupts in
special constellations involving usb-hubs and their number is so high,
it can even overwhelm the interrupt handler if the cpu-speed os to low.

Right now the PLLs are put into slow-mode in a shutdown syscore_ops
callback which means it happens on all reboots (not only the soft-reset
ones) and even on poweroff actions.

This can result in the system not powering off and getting stuck instead,
so we should move the slow-mode change nearer to the actual reboot action.

For this we introduce the possiblity to also set a callback that gets
called from the restart-handler directly prior to restarting the system
and move the shutdown-callback to this new option.

With this the slow-mode switch is done only on the necessary reboots
and also has a smaller possibility of causing artifacts.

Fixes: 1d33929e2a ("clk: rockchip: switch PLLs to slow mode before reboot for rk3288")
Signed-off-by: Heiko Stuebner <heiko.stuebner@collabora.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
2015-12-21 02:01:19 +01:00
Arnd Bergmann
d0b6342df0 Merge branch 'fixes' into next/multiplatform
The 'fixes' branch contains d5d4fdd86f ("irqchip/versatile-fpga:
Fix PCI IRQ mapping on Versatile PB") that is required for booting
the versatile platform prior to the rework in this branch, but
including both causes a build-time error.

I'm doing an evil merge here to pull in the fixes branch so we have
that commit included but at the same time revert the trivial change.
This gives us a bisectable history.

* fixes: (22 commits)
  fsl-ifc: add missing include on ARM64
  ls2080a/dts: Add little endian property for GPIO IP block
  dt-bindings: define little-endian property for QorIQ GPIO
  ARM64: dts: ls2080a: fix eSDHC endianness
  ARM: dts: vf610: use reset values for L2 cache latencies
  ARM: pxa: use PWM lookup table for all machines
  ARM: dts: berlin: add 2nd clock for BG2Q sdhci0 and sdhci1
  ARM: dts: berlin: correct BG2Q's sdhci2 2nd clock
  ARM: dts: am4372: fix clock source for arm twd and global timers
  ARM: at91: fix pinctrl driver selection
  ARM: at91/dt: add always-on to 1.8V regulator
  ARM: dts: vf610: fix clock definition for SAI2
  ARM: imx: clk-vf610: fix SAI clock tree
  ARM: ixp4xx: fix read{b,w,l} return types
  irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB
  ARM: OMAP2+: enable REGULATOR_FIXED_VOLTAGE
  ARM: dts: add dm816x missing spi DT dma handles
  ARM: dts: add dm816x missing #mbox-cells
  cpufreq: s3c24xx: Do not mark s3c2410_plls_add as __init
  bus: sunxi-rsb: unlock on error in sunxi_rsb_read()
  ...
2015-12-17 22:33:58 +01:00
Bill Huang
2d7f61f377 clk: tegra: Read correct IDDQ register in PLL_SS registration
This fixes a bug in tegra_clk_register_pllss() which mistakenly assume
the IDDQ register is the PLL base address.

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-17 13:37:58 +01:00
Bill Huang
a4ca2b2fe7 clk: tegra: Fix WARN_ON in PLL_RE registration
This fixes two things.

- Read the correct IDDQ register
- Check the correct IDDQ bit position

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-17 13:37:57 +01:00
Andrew Bresticker
afff455cf4 clk: tegra: pll: Fix issues with rates for VCO PLLs
Without this change clk_get_rate would return the final output
rather than the VCO output as it would factor in the pdiv when
it shouldn't. This will cause problems for all dividers in the
subtree of the VCO PLL.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-17 13:37:57 +01:00
Rhyland Klein
6b301a059e clk: tegra: Add support for Tegra210 clocks
Implement clock support for Tegra210.

Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-17 13:37:56 +01:00
Bill Huang
139fd30943 clk: tegra: Add Super Gen5 Logic
Super clock divider control and clock source mux of Tegra210 has changed
a little against prior SoCs, this patch adds Gen5 logic to address those
differences.

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-17 13:37:55 +01:00
Bill Huang
0ef9db6cf2 clk: tegra: pll: Add logic for SS
Add some logic for Spread Spectrum control. It is used in conjuncture
with SDM fractional dividers. SSC has to be disabled when we configure
the divider settings.

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-17 13:37:55 +01:00
Rhyland Klein
17e9273a9e clk: tegra: pll: Add dyn_ramp callback
Add a callback to the pll_params for custom dynamic ramping
functions which can be specified per PLL.

Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-17 13:37:54 +01:00