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@xxxxxxxxxx>
---
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.
+
+ 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
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/linux-rockchip
