From: kgene.kim@samsung.com (Kukjin Kim)
To: linux-arm-kernel@lists.infradead.org
Subject: [RESEND PATCH 1/2] ARM: dts: Improve Peach Pit and Pi power scheme
Date: Mon, 18 Aug 2014 13:27:48 -0500 [thread overview]
Message-ID: <53F245A4.5010106@samsung.com> (raw)
In-Reply-To: <CAD=FV=UbckfwGucuPjEtHixVgF5K2fD5N3EPS2BH96DRDACuqw@mail.gmail.com>
On 08/11/14 10:46, Doug Anderson wrote:
> Javier,
>
> On Mon, Aug 11, 2014 at 4:38 AM, Javier Martinez Canillas
> <javier.martinez@collabora.co.uk> wrote:
>> The DeviceTree files for the Peach Pit and Pi machines have
>> a simplistic model of the connections between the different
>> regulators since not all the tps65090 regulators get their
>> input supply voltage from the VDC. DCDC1-3, LD0-1 and fet7
>> parent supply is indded VDC but the fet1-6 get their input
>> supply from the DCDC1 and DCDC2 output voltage rails.
>>
>> Update the DeviceTree to better reflect the real connections
>> between tps65090 regulators. Having this information in the
>> DTS is useful since FETs are switches that don't provide an
>> output voltage so the regulator core needs to fetch the FET
>> parent output voltage if the child voltage is queried.
>>
>> Signed-off-by: Javier Martinez Canillas<javier.martinez@collabora.co.uk>
>> Acked-by: Mark Brown<broonie@linaro.org>
>> ---
>> arch/arm/boot/dts/exynos5420-peach-pit.dts | 12 ++++++------
>> arch/arm/boot/dts/exynos5800-peach-pi.dts | 12 ++++++------
>> 2 files changed, 12 insertions(+), 12 deletions(-)
>
> Matches my schematics. Kukjin: I think this could be applied to
> for-next whenever it's convenient.
>
OK, I've applied this but 2nd in this series...
> Acked-by: Doug Anderson<dianders@chromium.org>
>
Thanks,
Kukjin
next prev parent reply other threads:[~2014-08-18 18:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-11 11:38 [RESEND PATCH 1/2] ARM: dts: Improve Peach Pit and Pi power scheme Javier Martinez Canillas
2014-08-11 11:38 ` [RESEND PATCH 2/2] ARM: dts: Add tps65090 FET constraints on Peach Pit and Pi Javier Martinez Canillas
2014-08-11 15:57 ` Doug Anderson
2014-08-11 16:02 ` Mark Brown
2014-08-11 17:31 ` Javier Martinez Canillas
2014-08-11 17:47 ` Javier Martinez Canillas
2014-08-11 15:46 ` [RESEND PATCH 1/2] ARM: dts: Improve Peach Pit and Pi power scheme Doug Anderson
2014-08-18 18:27 ` Kukjin Kim [this message]
2014-08-18 21:43 ` Javier Martinez Canillas
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