[PATCH v2 07/11] dt-bindings: mmc: arasan: Add optional properties for Arasan SDHCI

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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




[Index of Archives]     [Linux Memonry Technology]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux