linux-stable/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
Krzysztof Kozlowski 89650a1e3b dt-bindings: pwm: Convert PWM bindings to json-schema
Convert generic PWM controller bindings to DT schema format using
json-schema.  The consumer bindings are provided by dt-schema.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-11-19 14:23:57 -06:00

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VIA/Wondermedia VT8500/WM8xxx series SoC PWM controller
Required properties:
- compatible: should be "via,vt8500-pwm"
- reg: physical base address and length of the controller's registers
- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of
the cells format. The only third cell flag supported by this binding is
PWM_POLARITY_INVERTED.
- clocks: phandle to the PWM source clock
Example:
pwm1: pwm@d8220000 {
#pwm-cells = <3>;
compatible = "via,vt8500-pwm";
reg = <0xd8220000 0x1000>;
clocks = <&clkpwm>;
};