Re: [PATCH v3 1/3] dt-bindings: mmc: describe new eMMC binding for fixed driver type

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On 15 October 2017 at 14:46, Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> Some boards may have to use a certain driver type (or drive strength) to
> achieve stable eMMC communication. Describe a binding to set this up via
> DT.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>

Thanks, applied for next!

Kind regards
Uffe

> ---
>
> no changes since v2
>
>  Documentation/devicetree/bindings/mmc/mmc.txt | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
> index b32ade645ad97c..94a90b49a6925d 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/mmc.txt
> @@ -53,6 +53,9 @@ Optional properties:
>  - no-sdio: controller is limited to send sdio cmd during initialization
>  - no-sd: controller is limited to send sd cmd during initialization
>  - no-mmc: controller is limited to send mmc cmd during initialization
> +- fixed-emmc-driver-type: for non-removable eMMC, enforce this driver type.
> +  The value <n> is the driver type as specified in the eMMC specification
> +  (table 206 in spec version 5.1).
>
>  *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line
>  polarity properties, we have to fix the meaning of the "normal" and "inverted"
> --
> 2.11.0
>
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