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diff --git a/Documentation/devicetree/bindings/pwm/mxs-pwm.yaml b/Documentation/devicetree/bindings/pwm/mxs-pwm.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/mxs-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale MXS PWM controller
+
+maintainers:
+ - Shawn Guo <shawnguo@kernel.org>
+ - Anson Huang <anson.huang@nxp.com>
+
+properties:
+ compatible:
+ enum:
+ - fsl,imx23-pwm
+
+ reg:
+ maxItems: 1
+
+ "#pwm-cells":
+ const: 3
+
+ fsl,pwm-number:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the number of PWM devices
+
+required:
+ - compatible
+ - reg
+ - "#pwm-cells"
+ - fsl,pwm-number
+
+additionalProperties: false
+
+examples:
+ - |
+ pwm@80064000 {
+ compatible = "fsl,imx23-pwm";
+ reg = <0x80064000 0x2000>;
+ #pwm-cells = <3>;
+ fsl,pwm-number = <8>;
+ };