From mboxrd@z Thu Jan 1 00:00:00 1970 From: mturquette@linaro.org (Mike Turquette) Date: Tue, 20 Jan 2015 09:54:02 -0800 Subject: [PATCH 1/2] clk: exynos5420: Add IDs for clocks used in DISP1 power domain In-Reply-To: <54BE6050.1090205@samsung.com> References: <1421750127-22536-1-git-send-email-javier.martinez@collabora.co.uk> <1421750127-22536-2-git-send-email-javier.martinez@collabora.co.uk> <54BE6050.1090205@samsung.com> Message-ID: <20150120175402.22722.84342@quantum> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > > 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 Acked-by: Michael Turquette > > -- > Thanks, > Sylwester >