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Commit 7260d251 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Thierry Reding
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pwm: Add device tree binding document for R-Car PWM Timer 



Add binding document for Renesas PWM Timer on R-Car SoCs.

Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 59d5c8b1

Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.txt

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* Renesas R-Car PWM Timer Controller



Required Properties:

- compatible: should be one of the following.

 - "renesas,pwm-rcar": for generic R-Car compatible PWM Timer

 - "renesas,pwm-r8a7778": for R-Car M1A

 - "renesas,pwm-r8a7779": for R-Car H1

 - "renesas,pwm-r8a7790": for R-Car H2

 - "renesas,pwm-r8a7791": for R-Car M2-W

 - "renesas,pwm-r8a7794": for R-Car E2

- reg: base address and length of the registers block for the PWM.

- #pwm-cells: should be 2. See pwm.txt in this directory for a description of

  the cells format.

- clocks: clock phandle and specifier pair.

- pinctrl-0: phandle, referring to a default pin configuration node.

- pinctrl-names: Set to "default".



Example: R8A7790 (R-Car H2) PWM Timer node



	pwm0: pwm@e6e30000 {

		compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";

		reg = <0 0xe6e30000 0 0x8>;

		#pwm-cells = <2>;

		clocks = <&mstp5_clks R8A7790_CLK_PWM>;

		pinctrl-0 = <&pwm0_pins>;

		pinctrl-names = "default";

	};