[PATCH v3 2/2] dt-bindings: pinctrl: add bindings for Milbeaut pin controller

[Sugaya Taichi <sugaya.taichi@xxxxxxxxxxxxx>]

Add Device Tree bindings documentation for pin controller of
the Milbeaut SoCs.

Signed-off-by: Sugaya Taichi <sugaya.taichi@xxxxxxxxxxxxx>
---
 .../pinctrl/socionext,milbeaut-pinctrl.yaml        | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml
new file mode 100644
index 0000000..78bc2d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/socionext,milbeaut-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Milbeaut SoCs pin controller
+
+maintainers:
+  - Taichi Sugaya <sugaya.taichi@xxxxxxxxxxxxx>
+
+description: |
+  Bindings for memory-mapped pin controller of the Milbeaut SoCs.
+
+properties:
+  $nodename:
+    pattern: "pinctrl"
+
+  compatible:
+    enum:
+      - socionext,milbeaut-m10v-pinctrl
+
+  reg:
+    maxItems: 1
+
+  reg-names:
+    const: "pinctrl"
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - gpio-controller
+  - "#gpio-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    pinctrl: pinctrl@1d022000 {
+        compatible = "socionext,milbeaut-m10v-pinctrl";
+        reg = <0x1d022000 0x1000>;
+        reg-names = "pinctrl";
+        gpio-controller;
+        #gpio-cells = <2>;
+    };
-- 
2.7.4