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[karo-tx-linux.git] / Documentation / devicetree / bindings / pwm / renesas,pwm-rcar.txt
1 * Renesas R-Car PWM Timer Controller
2
3 Required Properties:
4 - compatible: should be one of the following.
5  - "renesas,pwm-rcar": for generic R-Car compatible PWM Timer
6  - "renesas,pwm-r8a7778": for R-Car M1A
7  - "renesas,pwm-r8a7779": for R-Car H1
8  - "renesas,pwm-r8a7790": for R-Car H2
9  - "renesas,pwm-r8a7791": for R-Car M2-W
10  - "renesas,pwm-r8a7794": for R-Car E2
11 - reg: base address and length of the registers block for the PWM.
12 - #pwm-cells: should be 2. See pwm.txt in this directory for a description of
13   the cells format.
14 - clocks: clock phandle and specifier pair.
15 - pinctrl-0: phandle, referring to a default pin configuration node.
16 - pinctrl-names: Set to "default".
17
18 Example: R8A7790 (R-Car H2) PWM Timer node
19
20         pwm0: pwm@e6e30000 {
21                 compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
22                 reg = <0 0xe6e30000 0 0x8>;
23                 #pwm-cells = <2>;
24                 clocks = <&mstp5_clks R8A7790_CLK_PWM>;
25                 pinctrl-0 = <&pwm0_pins>;
26                 pinctrl-names = "default";
27         };