diff --git a/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml b/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
index 9845a187bdf6..ff8dbc684bbc 100644
--- a/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
+++ b/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
@@ -44,7 +44,7 @@ properties:
 
 patternProperties:
   # All other properties should be child nodes with unit-address and 'reg'
-  "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$":
+  "@[0-9a-fA-F]+$":
     type: object
     additionalProperties: true
     properties: