Rockchip PWM controller Required properties: - compatible: should be "rockchip,-pwm" "rockchip,rk2928-pwm": found on RK29XX,RK3066 and RK3188 SoCs "rockchip,rk3288-pwm": found on RK3288 SoC "rockchip,vop-pwm": found integrated in VOP on RK3288 SoC - reg: physical base address and length of the controller's registers - clocks: phandle and clock specifier of the PWM reference clock - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.txt in this directory for a description of the cell format. Example: pwm0: pwm@20030000 { compatible = "rockchip,rk2928-pwm"; reg = <0x20030000 0x10>; clocks = <&cru PCLK_PWM01>; #pwm-cells = <2>; };