Re: [PATCH 1/2] clk: exynos5420: Add IDs for clocks used in DISP1 power domain
From: Mike Turquette
Date: Tue Jan 20 2015 - 12:54:18 EST
Quoting Sylwester Nawrocki (2015-01-20 06:04:00)
> Hi,
>
> On 20/01/15 11:35, Javier Martinez Canillas wrote:
> > When a power domain is powered off on Exynos5420 SoC, the input clocks of
> > the devices attached to this power domain are re-parented to oscclk and
> > restored to the original parent after powering on the power domain.
> >
> > So a reference to the input and parent clocks for the devices attached to
> > a power domain are needed to be able to do the re-parenting. The DISP1 pd
> > includes modules which uses the following clocks:
> >
> > ACLK_200_DISP1 (MIXER and HDMILINK)
> > ACLK_300_DISP1 (FIMD1)
> > ACLK_400_DISP1 (Internal Buses)
> >
> > Each of these clocks are generated as the output of a clock mux so add an
> > ID for all of these clock muxes and their parents to be referenced in the
> > DISP1 power domain device node.
> >
> > Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
>
> The patch looks OK to me, I'm fine with it being merged via Kukjin's tree
> due to the dts dependencies (including other pending dts patches touching
> the arch/arm/boot/dts/exynos5420.dtsi file).
> I think we need also Mike ACK for that, I could also queue the patch for
> the clk tree and create a topic branch, but merging both patches via
> arm-soc seems a more sane option in this case.
>
> Acked-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Acked-by: Michael Turquette <mturquette@xxxxxxxxxx>
>
> --
> Thanks,
> Sylwester
>
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