[PATCH v2 RESEND 0/4] Fix power domains handling on exynos542x

Kukjin Kim kgene at kernel.org
Tue Mar 17 10:14:34 PDT 2015


On 03/12/15 22:37, Andrzej Hajda wrote:
> Hi Kukjin,
> 
Hi,

> This is resend of my patchset with added (Reviewed|Tested)-by tags and removed RFC
> prefix.
> 
> Exynos chipsets since 542x have asynchronous bridges connecting different IPs.
> These bridges should be operational during power domain switching, ie associated
> clocks cannot be gated.
> This patchset adds binding to provide such clocks per power domain and adds code
> which enables them during domain on/off operation.
> 
> This patchset fixes power domain issues with disp1 domain and HDMI (some of them)
> on Odroid XU3:
> - disp1 power domain can be turned off,
> - no more "imprecise external abort" faults.
> 
> The patchset is based on samsung-fixes-dt tag from kgene/linux-samsung.
> 
> It was successfully tested on OdroidXU3.
> 
Thanks, applied whole this series.

- Kukjin

> Andrzej Hajda (4):
>   arm/exynos: add asynchronous bridge clock bindings
>   arm/exynos/pm_domains: add support for async-bridge clocks
>   ARM: dts: exynos5420: add async-bridge clocks to disp1 power domain
>   ARM: dts: exynos5420: add async-bridge clocks to gsc power domain
> 
>  .../bindings/arm/exynos/power_domain.txt           |  3 +++
>  arch/arm/boot/dts/exynos5420.dtsi                  |  8 +++++--
>  arch/arm/mach-exynos/pm_domains.c                  | 27 ++++++++++++++++++----
>  3 files changed, 32 insertions(+), 6 deletions(-)



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