diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
index 724d93b91..52589341f 100644
--- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
+++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
@@ -115,6 +115,12 @@ properties:
           - const: edp
           - const: lvds
 
+  phys:
+    maxItems: 1
+
+  phy-names:
+    const: combo-phy
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports