From effa2ef8717b0390e8fb0648e16df1b43610af53 Mon Sep 17 00:00:00 2001 From: Ban Tao Date: Tue, 2 Mar 2021 20:40:23 +0800 Subject: [PATCH 059/117] pwm: sun8i-v536: document device tree bindings This adds binding documentation for sun8i-v536 SoC PWM driver. Signed-off-by: Ban Tao --- .../bindings/pwm/pwm-sun8i-v536.txt | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-sun8i-v536.txt --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-sun8i-v536.txt @@ -0,0 +1,24 @@ +Allwinner sun8i-v536 SoC PWM controller + +Required properties: + - compatible: should be "allwinner,-pwm" + "allwinner,sun8i-v833-pwm" + "allwinner,sun8i-v536-pwm" + "allwinner,sun50i-r818-pwm" + "allwinner,sun50i-a133-pwm" + "allwinner,sun50i-r329-pwm" + - reg: physical base address and length of the controller's registers + - #pwm-cells: should be 3. See pwm.txt in this directory for a description of + the cells format. + - clocks: From common clock binding, handle to the parent clock. + - resets: From reset clock binding, handle to the parent clock. + +Example: + + pwm: pwm@300a0000 { + compatible = "allwinner,sun50i-r818-pwm"; + reg = <0x0300a000 0x3ff>; + clocks = <&ccu CLK_BUS_PWM>; + resets = <&ccu RST_BUS_PWM>; + #pwm-cells = <3>; + };