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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/pwm-rockchip.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip PWM controller
+
+maintainers:
+ - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+ compatible:
+ oneOf:
+ - const: rockchip,rk2928-pwm
+ - const: rockchip,rk3288-pwm
+ - const: rockchip,rk3328-pwm
+ - const: rockchip,vop-pwm
+ - items:
+ - const: rockchip,rk3036-pwm
+ - const: rockchip,rk2928-pwm
+ - items:
+ - enum:
+ - rockchip,rk3128-pwm
+ - rockchip,rk3368-pwm
+ - rockchip,rk3399-pwm
+ - rockchip,rv1108-pwm
+ - const: rockchip,rk3288-pwm
+ - items:
+ - enum:
+ - rockchip,px30-pwm
+ - rockchip,rk3308-pwm
+ - rockchip,rk3568-pwm
+ - rockchip,rk3588-pwm
+ - const: rockchip,rk3328-pwm
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ maxItems: 2
+
+ "#pwm-cells":
+ enum: [2, 3]
+ description:
+ Must be 2 (rk2928) or 3 (rk3288 and later).
+ See pwm.yaml for a description of the cell format.
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: pwm.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - rockchip,rk3328-pwm
+ - rockchip,rv1108-pwm
+
+ then:
+ properties:
+ clocks:
+ items:
+ - description: Used to derive the functional clock for the device.
+ - description: Used as the APB bus clock.
+
+ clock-names:
+ items:
+ - const: pwm
+ - const: pclk
+
+ required:
+ - clocks
+ - clock-names
+
+ else:
+ properties:
+ clocks:
+ maxItems: 1
+ description:
+ Used both to derive the functional clock
+ for the device and as the bus clock.
+
+ required:
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3188-cru-common.h>
+ pwm0: pwm@20030000 {
+ compatible = "rockchip,rk2928-pwm";
+ reg = <0x20030000 0x10>;
+ clocks = <&cru PCLK_PWM01>;
+ #pwm-cells = <2>;
+ };