[PATCH v7 3/6] dt-bindings: pwm: airoha: Add EN7581 pwm

[Lorenzo Bianconi <lorenzo@xxxxxxxxxx>]

Introduce device-tree binding documentation for Airoha EN7581 pwm
controller.

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
 .../devicetree/bindings/pwm/airoha,en7581-pwm.yaml | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/airoha,en7581-pwm.yaml b/Documentation/devicetree/bindings/pwm/airoha,en7581-pwm.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..f36387572a9781636aeacdbcc8947017c7ca75a0
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/airoha,en7581-pwm.yaml
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/airoha,en7581-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7581 PWM Controller
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    const: airoha,en7581-pwm
+
+  "#pwm-cells":
+    const: 3
+
+required:
+  - compatible
+  - "#pwm-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    pwm {
+      compatible = "airoha,en7581-pwm";
+
+      #pwm-cells = <3>;
+    };

-- 
2.47.0