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-rw-r--r--Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
index e728786f21e0..57d28c0d5696 100644
--- a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
+++ b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
@@ -16,6 +16,11 @@ Optional properties:
- drive-impedance-ohm: Specifies the drive impedance in Ohm.
Possible values are 33, 40, 50, 66 and 100.
If not set, the default value of 50 will be applied.
+ - rockchip,enable-strobe-pulldown: Enable internal pull-down for the strobe
+ line. If not set, pull-down is not used.
+ - rockchip,output-tapdelay-select: Specifies the phyctrl_otapdlysec register.
+ If not set, the register defaults to 0x4.
+ Maximum value 0xf.
Example: