rockchip,default-drv-phase is used to set the default drv degrees.
drv phases will decide the write timing of mmc controller.
Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt
index ea5614b..c48dba6 100644
--- a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt
@@ -29,6 +29,9 @@ Optional Properties:
probing, low speeds or in case where all phases work at tuning time.
If not specified 0 deg will be used.
+* rockchip,default-drv-phase: The default phase to set ciu_drv at probing
+ for host to write data to devices. If not specified 180 deg will be used.
+
Example:
rkdwmmc0@12200000 {
--
2.3.7
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