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