diff --git a/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
index a804d9bc1602..27c5762b9cf8 100644
--- a/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
@@ -26,11 +26,45 @@ properties:
       - socionext,uniphier-pxs3-pinctrl
       - socionext,uniphier-nx1-pinctrl
 
+additionalProperties:
+  type: object
+
+  allOf:
+    - $ref: pincfg-node.yaml#
+    - $ref: pinmux-node.yaml#
+
+  properties:
+    phandle: true
+    function: true
+    groups: true
+    pins: true
+    bias-pull-up: true
+    bias-pull-down: true
+    bias-pull-pin-default: true
+    drive-strength: true
+
+  additionalProperties:
+    type: object
+
+    allOf:
+      - $ref: pincfg-node.yaml#
+      - $ref: pinmux-node.yaml#
+
+    properties:
+      phandle: true
+      function: true
+      groups: true
+      pins: true
+      bias-pull-up: true
+      bias-pull-down: true
+      bias-pull-pin-default: true
+      drive-strength: true
+
+    unevaluatedProperties: false
+
 required:
   - compatible
 
-additionalProperties: false
-
 examples:
   - |
     // The UniPhier pinctrl should be a subnode of a "syscon" compatible node.