diff --git a/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
index cec21714f0e0..fa4c42c4de2c 100644
--- a/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
@@ -4,6 +4,7 @@ Rockchip specific extensions to the Innosilicon HDMI
 Required properties:
 - compatible:
 	"rockchip,rk3036-inno-hdmi";
+	"rockchip,rk3128-inno-hdmi";
 - reg:
 	Physical base address and length of the controller's registers.
 - clocks, clock-names: