From: k.kozlowski@samsung•com (Krzysztof Kozlowski)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] ARM: dts: exynos: Remove unneded always-on for regulators on Peach boards
Date: Mon, 30 May 2016 09:58:02 +0200 [thread overview]
Message-ID: <574BF28A.5000202@samsung.com> (raw)
In-Reply-To: <1463694753-7259-1-git-send-email-javier@osg.samsung.com>
On 05/19/2016 11:52 PM, Javier Martinez Canillas wrote:
> The regulator always-on property should only be used for regulators
> that either can't be disabled or the drivers for the client devices
> are not enabling the regulator and so being disabled due to unused.
>
> There are some max77802 regulators in the Peach Pit and Pi boards
> that are always-on but shouldn't since they are enabled by drivers:
>
> BUCK5 is max77802 inl1 supply
> BUCK7 is max77802 inl{2,10} supply
> BUCK9 is max77802 inl{3,4,5,7} supply
> BUCK10 is mmc1 vqmmc supply
> LDO9 is adc vdd supply
>
> This patch removes the always-on property for these regulators.
>
> Some regulators should remain always-on even when they are used as
> input supplies, because these regulators are also used by other
> components that are not described in the DT, for example:
>
> LDO10 is hdmi vdd_osc supply but it's also used as input supply for
> the Exynos5420 temperature sensor.
>
> LDO8 is hdmi vdd and vdd_pll supply but it's also used as supply for
> the Exynos5420 Display port.
>
> BUCK2 and BUCK6 are the vdd supplies for the EAGLE and KFC clusters.
>
> Signed-off-by: Javier Martinez Canillas <javier@osg•samsung.com>
> ---
>
> arch/arm/boot/dts/exynos5420-peach-pit.dts | 5 -----
> arch/arm/boot/dts/exynos5800-peach-pi.dts | 5 -----
> 2 files changed, 10 deletions(-)
Thanks, applied.
Best regards,
Krzysztof
prev parent reply other threads:[~2016-05-30 7:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-19 21:52 [PATCH] ARM: dts: exynos: Remove unneded always-on for regulators on Peach boards Javier Martinez Canillas
2016-05-20 9:54 ` Krzysztof Kozlowski
2016-05-20 15:13 ` Javier Martinez Canillas
2016-05-30 7:58 ` Krzysztof Kozlowski [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=574BF28A.5000202@samsung.com \
--to=k.kozlowski@samsung$(echo .)com \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox