From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.nawrocki@samsung.com (Sylwester Nawrocki) Date: Tue, 20 Jan 2015 15:04:00 +0100 Subject: [PATCH 1/2] clk: exynos5420: Add IDs for clocks used in DISP1 power domain In-Reply-To: <1421750127-22536-2-git-send-email-javier.martinez@collabora.co.uk> References: <1421750127-22536-1-git-send-email-javier.martinez@collabora.co.uk> <1421750127-22536-2-git-send-email-javier.martinez@collabora.co.uk> Message-ID: <54BE6050.1090205@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 -- Thanks, Sylwester