diff --git a/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt b/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt
index bd8b03eb0a16..d628c0dbdfd4 100644
--- a/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt
+++ b/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt
@@ -3,6 +3,7 @@ Rockchip SoC MIPI RX D-PHY
 
 Required properties:
 - compatible: value should be one of the following
+	"rockchip,rk1808-mipi-dphy-rx"
 	"rockchip,rk3288-mipi-dphy"
 	"rockchip,rk3326-mipi-dphy"
 	"rockchip,rk3399-mipi-dphy"