On Tue, 4 Jun 2019 at 04:33, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote: > > 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. Okay, just wanted to make sure this new clock isn't something that should be modeled through the clock tree. Thanks for explaining, then I am happy with the patch as is. Kind regards Uffe
