Hi Ulf, On Mon, 3 Jun 2019 at 21:34, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > > 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? Sorry for confusing. For some Spreadtrum platfroms like SC9860 platform, we should enable 2 gate clocks to enable SD host controller, that means we have 2 serialized clock gates. I know that's a little weird, but that's our clock's design. -- Baolin Wang Best Regards
