diff --git a/Documentation/devicetree/bindings/media/cec/amlogic,meson-gx-ao-cec.yaml b/Documentation/devicetree/bindings/media/cec/amlogic,meson-gx-ao-cec.yaml
index f65c9681a9f735d7223cf07bdecd427d385b5295..b1fab53418f9654c462d45f440f27a7d794ba582 100644
--- a/Documentation/devicetree/bindings/media/cec/amlogic,meson-gx-ao-cec.yaml
+++ b/Documentation/devicetree/bindings/media/cec/amlogic,meson-gx-ao-cec.yaml
@@ -33,11 +33,8 @@ properties:
   interrupts:
     maxItems: 1
 
-  hdmi-phandle:
-    description: phandle to the HDMI controller
-    $ref: /schemas/types.yaml#/definitions/phandle
-
 allOf:
+  - $ref: cec-common.yaml#
   - if:
       properties:
         compatible:
@@ -81,7 +78,7 @@ required:
   - clocks
   - clock-names
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |