Documentation: bindings: add rockchip,low-power-mode property for u2phy

Meng Dongyang · rkhuangtao · commit a3b1bb7a7a26 · 2018-04-02T17:43:50.000+08:00
Change-Id: Id99aeb68aa5b6174a3a97f413f09270d893cef4e
Signed-off-by: Meng Dongyang &lt;daniel.meng@rock-chips.com&gt;
diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
@@ -50,6 +50,8 @@ Optional properties:
 		bvalid status bit to get vbus status by default.
  - rockchip,vbus-always-on: when set, indicates that the otg vbus
 		is always powered on.
+ - rockchip,low-power-mode: when set, the port will enter low power
+		state when suspend.
 
 Example:
 
