diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
index f33ec971e575..e91ee2fd7e68 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
@@ -2,6 +2,7 @@ ROCKCHIP USB2.0 PHY WITH INNO IP BLOCK
 
 Required properties (phy (parent) node):
  - compatible : should be one of the listed compatibles:
+	* "rockchip,px30-usb2phy"
 	* "rockchip,rk3128-usb2phy"
 	* "rockchip,rk3228-usb2phy"
 	* "rockchip,rk3308-usb2phy"
@@ -94,6 +95,7 @@ grf: syscon@ff770000 {
 
 Required properties (usb2phy grf node):
  - compatible : should be one of the listed compatibles:
+		"rockchip,px30-usb2phy-grf", "syscon", "simple-mfd";
 		"rockchip,rk3328-usb2phy-grf", "syscon", "simple-mfd";
  - reg : the address offset of grf for usb-phy configuration.
  - #address-cells : should be 1.
diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
index 46da5f184460..410e4b10d85c 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -8,6 +8,7 @@ Required properties:
   - rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
   - "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
   - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
+  - "rockchip,px30-usb", "rockchip,rk3066-usb", "snps,dwc2": for px30 Soc;
   - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;
   - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;
   - "amlogic,meson8-usb": The DWC2 USB controller instance in Amlogic Meson8 SoCs;