From: javier.martinez@collabora•co.uk (Javier Martinez Canillas)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/2] clk: exynos5420: Add IDs for clocks used in DISP1 power domain
Date: Wed, 21 Jan 2015 11:38:58 +0100 [thread overview]
Message-ID: <54BF81C2.3020000@collabora.co.uk> (raw)
In-Reply-To: <20150120175402.22722.84342@quantum>
Hello,
On 01/20/2015 06:54 PM, Mike Turquette wrote:
> 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@collabora•co.uk>
>>
>> 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@samsung•com>
>
> Acked-by: Michael Turquette <mturquette@linaro•org>
>
Thanks a lot Sylwester and Mike for your acks.
Kukjin, could you please pick $subject and "Patch 2/2 ARM: dts: Add DISP1
power domain for exynos5420" through your tree?
Best regards,
Javier
next prev parent reply other threads:[~2015-01-21 10:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-20 10:35 [PATCH 0/2] Add HDMI support for Exynos5420 platform Javier Martinez Canillas
2015-01-20 10:35 ` [PATCH 1/2] clk: exynos5420: Add IDs for clocks used in DISP1 power domain Javier Martinez Canillas
2015-01-20 14:04 ` Sylwester Nawrocki
2015-01-20 17:54 ` Mike Turquette
2015-01-21 10:38 ` Javier Martinez Canillas [this message]
2015-01-23 6:51 ` Kukjin Kim
2015-01-23 8:48 ` Javier Martinez Canillas
2015-01-20 10:35 ` [PATCH 2/2] ARM: dts: Add DISP1 power domain for exynos5420 Javier Martinez Canillas
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