kernel/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt

   1 Rockchip PWM controller
   2
   3 Required properties:
   4  - compatible: should be "rockchip,<name>-pwm"
   5    "rockchip,rk2928-pwm": found on RK29XX,RK3066 and RK3188 SoCs
   6    "rockchip,rk3288-pwm": found on RK3288 SoC
   7    "rockchip,vop-pwm": found integrated in VOP on RK3288 SoC
   8  - reg: physical base address and length of the controller's registers
   9  - clocks: phandle and clock specifier of the PWM reference clock
  10  - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.txt in this directory
  11    for a description of the cell format.
  12
  13 Example:
  14
  15         pwm0: pwm@20030000 {
  16                 compatible = "rockchip,rk2928-pwm";
  17                 reg = <0x20030000 0x10>;
  18                 clocks = <&cru PCLK_PWM01>;
  19                 #pwm-cells = <2>;
  20         };