diff --git a/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml b/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml
index edf6f55df6851ea2fe894f8c3ce661b67dc4138d..9610bca57dd51c5c696b1fb1aca081cf4badd169 100644
--- a/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml
+++ b/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml
@@ -29,6 +29,10 @@ properties:
 
   gpio-controller: true
 
+  gpio-line-names:
+    minItems: 1
+    maxItems: 16
+
   '#gpio-cells':
     const: 2