diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
index aa5663a6fd42..aaf8c44cf90f 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
@@ -19,6 +19,9 @@ Required properties:
 - rockchip,grf: phandle to the general register files syscon
 - rockchip,output: "rgb", "lvds" or "duallvds", This describes the output interface
 
+- phys: LVDS/DSI DPHY (px30 only)
+- phy-names: name of the PHY, must be "dphy" (px30 only)
+
 Optional properties:
 - pinctrl-names: must contain a "lcdc" entry.
 - pinctrl-0: pin control group to be used for this controller.