Re: [PATCH 2/9] dt-bindings: mmc: sprd: Add another optional clock documentation

[Ulf Hansson]

On Mon, 20 May 2019 at 12:12, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote:
>
> For some Spreadtrum platforms like SC9860 platform, we should enable another
> gate clock '2x_enable' to make the SD host controller work well. Thus add
> documentation for this optional clock.
>
> Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/mmc/sdhci-sprd.txt         |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
> index 45c9978..a285c77 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
> @@ -14,6 +14,7 @@ Required properties:
>  - clock-names: Should contain the following:
>         "sdio" - SDIO source clock (required)
>         "enable" - gate clock which used for enabling/disabling the device (required)
> +       "2x_enable" - gate clock controlling the device for some special platforms (optional)

This is a bit vague, could you please elaborate (and fold in that
information to the doc) on what kind of clock this is?

[...]

Kind regards
Uffe