diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
index bbc3a6bd6067..4bd4df1cb168 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
@@ -22,6 +22,7 @@ properties:
       - rockchip,rk3368-usb2phy
       - rockchip,rk3399-usb2phy
       - rockchip,rk3568-usb2phy
+      - rockchip,rk3588-usb2phy
       - rockchip,rv1108-usb2phy
 
   reg: