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diff --git a/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/socionext,uniphier-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UniPhier SoCs pin controller
+
+maintainers:
+ - Masahiro Yamada <yamada.masahiro@socionext.com>
+
+properties:
+ $nodename:
+ pattern: "pinctrl"
+
+ compatible:
+ enum:
+ - socionext,uniphier-ld4-pinctrl
+ - socionext,uniphier-pro4-pinctrl
+ - socionext,uniphier-sld8-pinctrl
+ - socionext,uniphier-pro5-pinctrl
+ - socionext,uniphier-pxs2-pinctrl
+ - socionext,uniphier-ld6b-pinctrl
+ - socionext,uniphier-ld11-pinctrl
+ - socionext,uniphier-ld20-pinctrl
+ - socionext,uniphier-pxs3-pinctrl
+
+required:
+ - compatible
+
+examples:
+ - |
+ // The UniPhier pinctrl should be a subnode of a "syscon" compatible node.
+
+ soc-glue@5f800000 {
+ compatible = "socionext,uniphier-pro4-soc-glue", "simple-mfd", "syscon";
+ reg = <0x5f800000 0x2000>;
+
+ pinctrl: pinctrl {
+ compatible = "socionext,uniphier-pro4-pinctrl";
+ };
+ };