diff --git a/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml b/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml
index 938d0e48fe51..4fda602912f7 100644
--- a/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml
+++ b/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml
@@ -62,14 +62,14 @@ properties:
       open-drain, newer chips to totem pole).
 
 patternProperties:
-  "^led@[0-9a-f]+$":
+  "^led@[0-9a-f]$":
     type: object
     $ref: common.yaml#
     unevaluatedProperties: false
 
     properties:
       reg:
-        minimum: 0
+        maximum: 15
 
     required:
       - reg
@@ -88,7 +88,13 @@ allOf:
           properties:
             reg:
               maximum: 3
-    else:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - nxp,pca9634
+    then:
       patternProperties:
         "^led@[0-9a-f]+$":
           properties: