[PATCH v3 2/2] pwm: sun8i-v536: document device tree bindings
From: Ban Tao <fengzheng923@gmail.com>
Date: 2021-03-02 15:17:00
Also in:
linux-pwm, lkml
Subsystem:
open firmware and flattened device tree bindings, pwm subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Uwe Kleine-König, Linus Torvalds
From: Ban Tao <fengzheng923@gmail.com> This adds binding documentation for sun8i-v536 SoC PWM driver. Signed-off-by: Ban Tao <fengzheng923@gmail.com> --- .../bindings/pwm/pwm-sun8i-v536.txt | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-sun8i-v536.txt
diff --git a/Documentation/devicetree/bindings/pwm/pwm-sun8i-v536.txt b/Documentation/devicetree/bindings/pwm/pwm-sun8i-v536.txt
new file mode 100644
index 000000000000..ab3f4fe0560a
--- /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,<name>-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>; + };
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2.29.0