linux-kernel - Re: [PATCH 1/1] mmc: core: Add the vmmc/vmmcq regulator info

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Message-ID: <CAPDyKFpiariD2+fMUmVH+nMff2hDpxY6eE0zN50nadw1pHA7ag@mail.gmail.com>
Date:   Mon, 22 Aug 2016 15:39:21 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Ben Dooks <ben.dooks@...ethink.co.uk>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Paweł Moll <pawel.moll@....com>,
        Mark Rutland <mark.rutland@....com>,
        Kumar Gala <galak@...eaurora.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-kernel@...ts.codethink.co.uk,
        linux-mmc <linux-mmc@...r.kernel.org>
Subject: Re: [PATCH 1/1] mmc: core: Add the vmmc/vmmcq regulator info

On 1 August 2016 at 11:22, Ben Dooks <ben.dooks@...ethink.co.uk> wrote:
> The core MMC code adds two (optional) regulator properites that drivers
> should use to get their supplies. This is not documented anywhere so add
> information on it.
>
> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>

Thanks, applied for next!

Kind regards
Uffe

> ---
>  Documentation/devicetree/bindings/mmc/mmc.txt | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
> index ed23b9b..8cbcbce 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/mmc.txt
> @@ -71,6 +71,17 @@ Optional SDIO properties:
>  - wakeup-source: Enables wake up of host system on SDIO IRQ assertion
>                  (Legacy property supported: "enable-sdio-wakeup")
>
> +MMC power
> +---------
> +
> +Controllers may implement power control from both the connected cards and
> +the IO signaling (for example to change to high-speed 1.8V signalling). If
> +the system supports this, then the following two properties should point
> +to valid regulator nodes:
> +
> +- vqmmc-supply: supply node for IO line power
> +- vmmc-supply: supply node for card's power
> +
>
>  MMC power sequences:
>  --------------------
> --
> 2.8.1
>
> --
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