diff --git a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
index 67682fe77f1014216144d935c51db2424ba5bcb7..2e8dbdb5a3d5ad9712d81d21c17340c8f5877950 100644
--- a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
+++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
@@ -19,6 +19,9 @@ description: |
   second port, therefore the ports must be marked accordingly (with either
   dual-lvds-odd-pixels or dual-lvds-even-pixels).
 
+allOf:
+  - $ref: panel-common.yaml#
+
 properties:
   compatible:
     items: