diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml
index 452f8972a965..6f73961001b7 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml
@@ -28,6 +28,9 @@ properties:
     minItems: 4
     maxItems: 8
 
+  label:
+    description: A descriptive name for this device.
+
 required:
   - compatible
   - reg