Re: [PATCH] dt-bindings: mmc: Add small binding node on level shifters

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On Sun, 17 Apr 2022 at 16:44, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
>
> The VQMMC is often provided by a level shifter, so drop a small note
> in the bindings that this can be the case and how that is done.
> It is helpful information since this is pretty common.
>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> index 513f3c8758aa..ff5ce89e5111 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> +++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> @@ -298,7 +298,10 @@ properties:
>
>    vqmmc-supply:
>      description:
> -      Supply for the bus IO line power
> +      Supply for the bus IO line power, such as a level shifter.
> +      If the level shifter is controlled by a GPIO line, this shall
> +      be modeled as a "regulator-fixed" with a GPIO line for
> +      switching the level shifter on/off.
>
>    mmc-pwrseq:
>      $ref: /schemas/types.yaml#/definitions/phandle
> --
> 2.35.1
>



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