diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index 7b79c5e3dffc..fdb8fb29033f 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -78,6 +78,7 @@ Required properties:
 
   - compatible: value must be one of:
     * "allwinner,sun8i-a83t-dw-hdmi"
+    * "allwinner,sun50i-a64-dw-hdmi", "allwinner,sun8i-a83t-dw-hdmi"
   - reg: base address and size of memory-mapped region
   - reg-io-width: See dw_hdmi.txt. Shall be 1.
   - interrupts: HDMI interrupt number