RE: [PATCH 0/7] HWMOD fixes for AM33xx PWM submodules and devicetree nodes.

From: Philip, Avinash
Date: Wed Jan 09 2013 - 23:11:26 EST


Hi Paul,

On Wed, Jan 02, 2013 at 18:54:47, Philip, Avinash wrote:
> This patch series is being part of [1] and resubmitting on top of 3.8-rc1 to
> make it to 3.9.
>
> In AM33xx PWM sub modules like ECAP, EHRPWM & EQEP are integrated to
> PWM subsystem. All these submodules shares the resources (clock) & has
> a clock gating register in PWM Subsystem. So a parent PWM subsystem
> driver is created. To support PWM subsystem driver, parent child
> relation is created in HWMOD entry in patch #2.
>
> In addition EHRPWM module requires explicit clock gating from control
> module. Hence add clock node for tbclk handling in patch #4.
>
> Patch #3 to support common clock migration for AM33xx.
>
> Also Device tree nodes populated to support parent child relation
> between PWMSS, ECAP & EHRPWM submodules (patch #5, 6 & 7).
>
> This patch series based on linux_omap/master [2] and tested for
> backlight with ECAP on AM335x-evm & AM335x-evmsk.

Are there any reviews on this patch series?
This patch set is required for LCD backlight work based on ECAP PWM
in am335x-evm & am335x-evmsk.

Thanks
Avinash

>
> 1. https://lkml.org/lkml/2012/11/27/120
> 2. http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap.git;a=commit;h=c4e2e79ff7c9f4fdad7da432c6b449121cc3033e
>
> Philip Avinash (7):
> ARM: OMAP: AM33xx hwmod: Corrects PWM subsystem HWMOD entries
> ARM: OMAP: AM33xx hwmod: Add parent-child relationship for PWM
> subsystem
> pwm: pwm-tiehrpwm: Update the clock handling of pwm-tiehrpwm driver
> ARM: AM33XX: clk: Add clock node for EHRPWM TBCLK
> ARM: dts: AM33XX: Add PWMSS device tree nodes
> ARM: dts: AM33XX: Add PWM backlight DT data to am335x-evm
> ARM: dts: AM33XX: Add PWM backlight DT data to am335x-evmsk
>
> arch/arm/boot/dts/am335x-evm.dts | 23 ++
> arch/arm/boot/dts/am335x-evmsk.dts | 23 ++
> arch/arm/boot/dts/am33xx.dtsi | 84 ++++++
> arch/arm/mach-omap2/cclock33xx_data.c | 30 +++
> arch/arm/mach-omap2/control.h | 8 +
> arch/arm/mach-omap2/omap_hwmod_33xx_data.c | 390 ++++++++++++++++++----------
> drivers/pwm/pwm-tiehrpwm.c | 4 +-
> 7 files changed, 417 insertions(+), 145 deletions(-)
>
> --
> 1.7.9.5
>
>

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