diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
index 321802c95308..2d6afc090947 100644
--- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
+++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
@@ -19,7 +19,7 @@ description: |
 
 properties:
   $nodename:
-    const: power-controller
+    pattern: '^power-controller(@[0-9a-f]+)?$'
 
   compatible:
     enum: