| Message ID | 1561958991-21935-6-git-send-email-manish.narani@xilinx.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Arasan SDHCI enhancements and ZynqMP Tap Delays Handling | expand |
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@xilinx.com> > --- > 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 >
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 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
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@xilinx.com> --- Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)