diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
index 335ffc1353b5c0537a413f0507a3c835767fcb94..d35dcc4f024219ba869d72ce4506f7ab8553a502 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
@@ -59,6 +59,7 @@ properties:
 patternProperties:
   '^gpio@[0-9a-f]*$':
     type: object
+    additionalProperties: false
     properties:
       gpio-controller: true
       '#gpio-cells':
@@ -68,8 +69,7 @@ patternProperties:
         maxItems: 1
       clocks:
         maxItems: 1
-      reset:
-        minItems: 1
+      resets:
         maxItems: 1
       gpio-ranges:
         minItems: 1