diff --git a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
index 16956969a02a..38d37d8f7201 100644
--- a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
@@ -57,6 +57,9 @@ properties:
     minimum: 0
     maximum: 32
 
+  resets:
+    maxItems: 1
+
 required:
   - compatible
   - reg