diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
index 980f92ad9eba..da95b951c23e 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
@@ -36,6 +36,9 @@ properties:
   clocks:
     maxItems: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg