Re: [PATCH 1/1] mmc: core: Add the vmmc/vmmcq regulator info
From: Ulf Hansson
Date: Mon Aug 22 2016 - 09:41:28 EST
On 1 August 2016 at 11:22, Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx>
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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