linux-kernel - Re: [PATCH V4 1/5] bindings: regulator: added support for suspend states

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Message-ID: <CAL_JsqJy1o7cjEqs8vYe7Y45W6_A8iyC3_4=eeZ-teCxR06Rqg@mail.gmail.com>
Date:   Mon, 22 Jan 2018 13:50:35 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Chunyan Zhang <zhang.chunyan@...aro.org>
Cc:     Mark Brown <broonie@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Chunyan Zhang <zhang.lyra@...il.com>
Subject: Re: [PATCH V4 1/5] bindings: regulator: added support for suspend states

On Mon, Jan 22, 2018 at 1:59 AM, Chunyan Zhang <zhang.chunyan@...aro.org> wrote:
> Some systems need to set regulators to specific states when they enter
> low power modes, especially around CPUs. There are many of these modes
> depending on the particular runtime state.
>
> Currently the regulator consumers are not granted permission to change
> suspend state of regulator devices, the constraints are configured at
> startup.  In order to allow changes in a vlotage range, we need to add
> new properties for voltage range and a flag to give permission to
> change the suspend voltage and suspend on/off in suspend mode.
>
> Signed-off-by: Chunyan Zhang <zhang.chunyan@...aro.org>
> ---
>  Documentation/devicetree/bindings/regulator/regulator.txt | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)

Reviewed-by: Rob Herring <robh@...nel.org>