[PATCH 1/2] dt-bindings: pwm: Add dt-bindings for Nuvoton MA35D1 SoC PWM Controller

[Chi-Wen Weng <cwweng.linux@gmail.com>]

Add documentation to describe nuvoton ma35d1 PWM controller.

Signed-off-by: Chi-Wen Weng <cwweng.linux@gmail.com>
---
 .../bindings/pwm/nuvoton,ma35d1-pwm.yaml      | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/nuvoton,ma35d1-pwm.yaml

diff --git a/Documentation/devicetree/bindings/pwm/nuvoton,ma35d1-pwm.yaml b/Documentation/devicetree/bindings/pwm/nuvoton,ma35d1-pwm.yaml
new file mode 100644
index 000000000000..95f0a0819f53
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/nuvoton,ma35d1-pwm.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/nuvoton,ma35d1-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton MA35D1 PWM controller
+
+maintainers:
+  - Chi-Wen Weng <cwweng@nuvoton.com>
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,ma35d1-pwm
+
+  reg:
+    maxItems: 2
+
+  clocks:
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+
+    pwm0: pwm@40580000 {
+      compatible = "nuvoton,ma35d1-pwm";
+      reg = <0 0x40580000 0 0x400>;
+      clocks = <&clk EPWM0_GATE>;
+      #pwm-cells = <2>;
+    };
-- 
2.25.1