diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
index 86ad617d2327d459bd6c11c95705248f35b9df0d..bbd500b024d36696856616ae3022d8dc0b40be22 100644
--- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
+++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
@@ -34,6 +34,12 @@ properties:
       - const: allwinner,sun9i-a80-tcon-lcd
       - const: allwinner,sun9i-a80-tcon-tv
 
+      - items:
+        - enum:
+          - allwinner,sun7i-a20-tcon0
+          - allwinner,sun7i-a20-tcon1
+        - const: allwinner,sun7i-a20-tcon
+
       - items:
         - enum:
             - allwinner,sun50i-a64-tcon-lcd