1 Rockchip PWM controller
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,rv1108-pwm", "rockchip,rk3288-pwm": found on RV1108 SoC
8 "rockchip,vop-pwm": found integrated in VOP on RK3288 SoC
9 - reg: physical base address and length of the controller's registers
10 - clocks: See ../clock/clock-bindings.txt
11 - For older hardware (rk2928, rk3066, rk3188, rk3228, rk3288, rk3399):
12 - There is one clock that's used both to derive the functional clock
13 for the device and as the bus clock.
14 - For newer hardware (rk3328 and future socs): specified by name
15 - "pwm": This is used to derive the functional clock.
16 - "pclk": This is the APB bus clock.
17 - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.yaml in this directory
18 for a description of the cell format.
23 compatible = "rockchip,rk2928-pwm";
24 reg = <0x20030000 0x10>;
25 clocks = <&cru PCLK_PWM01>;