On Mon, Jul 01, 2019 at 10:59:45AM +0530, Manish Narani wrote: > Add documentation for an optional input clock which is essentially used > in sampling the input data coming from the card. > > Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 14 +++++++------- > 1 file changed, 7 insertions(+), 7 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > index 15c6397..7c79496 100644 > --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > @@ -23,10 +23,10 @@ Required Properties: > - reg: From mmc bindings: Register location and length. > - clocks: From clock bindings: Handles to clock inputs. > - clock-names: From clock bindings: Tuple including "clk_xin" and "clk_ahb" > - Apart from these two there is one more optional clock which > - is "clk_sdcard". This clock represents output clock from > - controller and card. This must be specified when #clock-cells > - is specified. > + Apart from these two there are two more optional clocks which > + are "clk_sdcard" and "clk_sample". These two clocks represent > + output and input clocks between controller and card. These > + must be specified when #clock-cells is specified. > - interrupts: Interrupt specifier > > Required Properties for "arasan,sdhci-5.1": > @@ -40,9 +40,9 @@ Optional Properties: > - clock-output-names: If specified, this will be the name of the card clock > which will be exposed by this device. Required if #clock-cells is > specified. > - - #clock-cells: If specified this should be the value <0>. With this > - property in place we will export one clock representing the Card > - Clock. This clock is expected to be consumed by our PHY. You must also > + - #clock-cells: If specified this should be the value <0> or <1>. With this > + property in place we will export one or two clocks representing the Card > + Clock. These clocks are expected to be consumed by our PHY. You must also What are the 2 clocks? > specify > - xlnx,fails-without-test-cd: when present, the controller doesn't work when > the CD line is not connected properly, and the line is not connected > -- > 2.1.1 >
