dt-bindings: extcon: add binding for TUSB320

Add a device tree binding for the TI TUSB320.

Signed-off-by: Michael Auchter <michael.auchter@ni.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

Documentation/devicetree/bindings/extcon/extcon-usbc-tusb320.yaml

@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/extcon/extcon-usbc-tusb320.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI TUSB320 USB Type-C CC Logic controller
+
+maintainers:
+  - Michael Auchter <michael.auchter@ni.com>
+
+properties:
+  compatible:
+    const: ti,tusb320
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        tusb320@61 {
+            compatible = "ti,tusb320";
+            reg = <0x61>;
+            interrupt-parent = <&gpio>;
+            interrupts = <27 1>;
+        };
+    };
+...