[PATCH v2 1/2] dt-bindings: phy: nuvoton,ma35-usb2-phy: add new bindings

[Hui-Ping Chen <hpchen0nvt@gmail.com>]

Add dt-bindings for USB2 PHY found on the Nuvoton MA35 SoC.

Signed-off-by: Hui-Ping Chen <hpchen0nvt@gmail.com>
---
 .../bindings/phy/nuvoton,ma35d1-usb2-phy.yaml | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
new file mode 100644
index 000000000000..88e297ba4ecf
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/nuvoton,ma35d1-usb2-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton MA35D1 USB2 phy
+
+maintainers:
+  - Hui-Ping Chen <hpchen0nvt@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,ma35d1-usb2-phy
+
+  "#phy-cells":
+    const: 0
+
+  clocks:
+    maxItems: 1
+
+  nuvoton,sys:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle of the system-management node.
+      This driver has some status bits located in the sys,
+      it is necessary to reference the sys link.
+
+required:
+  - compatible
+  - "#phy-cells"
+  - clocks
+  - nuvoton,sys
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+
+    usb_phy: usb-phy {
+        compatible = "nuvoton,ma35d1-usb2-phy";
+        clocks = <&clk USBD_GATE>;
+        nuvoton,sys = <&sys>;
+        #phy-cells = <0>;
+    };
-- 
2.25.1