| Message ID | 1561958991-21935-8-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 10:59:47AM +0530, Manish Narani wrote: > Add optional propeties for Arasan SDHCI which are used to set clk delays > for different speed modes in the controller. > > Signed-off-by: Manish Narani <manish.narani@xilinx.com> > --- > Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > index 7c79496..7425d52 100644 > --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > @@ -49,6 +49,21 @@ Optional Properties: > properly. Test mode can be used to force the controller to function. > - xlnx,int-clock-stable-broken: when present, the controller always reports > that the internal clock is stable even when it is not. > + - clk-phase-legacy: Input/Output Clock Delay pair in degrees for Legacy Mode. > + - clk-phase-mmc-hs: Input/Output Clock Delay pair degrees for MMC HS. > + - clk-phase-sd-hs: Input/Output Clock Delay pair in degrees for SD HS. > + - clk-phase-uhs-sdr12: Input/Output Clock Delay pair in degrees for SDR12. > + - clk-phase-uhs-sdr25: Input/Output Clock Delay pair in degrees for SDR25. > + - clk-phase-uhs-sdr50: Input/Output Clock Delay pair in degrees for SDR50. > + - clk-phase-uhs-sdr104: Input/Output Clock Delay pair in degrees for SDR104. > + - clk-phase-uhs-ddr50: Input/Output Clock Delay pair in degrees for SD DDR50. > + - clk-phase-mmc-ddr52: Input/Output Clock Delay pair in degrees for MMC DDR52. > + - clk-phase-mmc-hs200: Input/Output Clock Delay pair in degrees for MMC HS200. > + - clk-phase-mmc-hs400: Input/Output Clock Delay pair in degrees for MMC HS400. Either these need vendor prefixes or be added as common properties if that makes sense. Rob > + > + Above mentioned are the clock (phase) delays which are to be configured in the > + controller while switching to particular speed mode. If not specified, driver > + will configure the default value defined for particular mode in it. > > Example: > sdhci@e0100000 { > -- > 2.1.1 >
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt index 7c79496..7425d52 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt @@ -49,6 +49,21 @@ Optional Properties: properly. Test mode can be used to force the controller to function. - xlnx,int-clock-stable-broken: when present, the controller always reports that the internal clock is stable even when it is not. + - clk-phase-legacy: Input/Output Clock Delay pair in degrees for Legacy Mode. + - clk-phase-mmc-hs: Input/Output Clock Delay pair degrees for MMC HS. + - clk-phase-sd-hs: Input/Output Clock Delay pair in degrees for SD HS. + - clk-phase-uhs-sdr12: Input/Output Clock Delay pair in degrees for SDR12. + - clk-phase-uhs-sdr25: Input/Output Clock Delay pair in degrees for SDR25. + - clk-phase-uhs-sdr50: Input/Output Clock Delay pair in degrees for SDR50. + - clk-phase-uhs-sdr104: Input/Output Clock Delay pair in degrees for SDR104. + - clk-phase-uhs-ddr50: Input/Output Clock Delay pair in degrees for SD DDR50. + - clk-phase-mmc-ddr52: Input/Output Clock Delay pair in degrees for MMC DDR52. + - clk-phase-mmc-hs200: Input/Output Clock Delay pair in degrees for MMC HS200. + - clk-phase-mmc-hs400: Input/Output Clock Delay pair in degrees for MMC HS400. + + Above mentioned are the clock (phase) delays which are to be configured in the + controller while switching to particular speed mode. If not specified, driver + will configure the default value defined for particular mode in it. Example: sdhci@e0100000 {
Add optional propeties for Arasan SDHCI which are used to set clk delays for different speed modes in the controller. Signed-off-by: Manish Narani <manish.narani@xilinx.com> --- Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+)