ark1668ed-bsp/linux/Documentation/devicetree/bindings/pwm/pwm.yaml

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: PWM controllers (providers)

maintainers:
  - Thierry Reding <thierry.reding@gmail.com>

select: false

properties:
  $nodename:
    pattern: "^pwm(@.*|-([0-9]|[1-9][0-9]+))?$"

  "#pwm-cells":
    description: |
      Number of cells in a PWM specifier. Typically the cells represent, in
      order: the chip-relative PWM number, the PWM period in nanoseconds and
      optionally a number of flags (defined in <dt-bindings/pwm/pwm.h>).

required:
  - "#pwm-cells"

additionalProperties: true

examples:
  - |
    pwm: pwm@1c20e00 {
        compatible = "allwinner,sun7i-a20-pwm";
        reg = <0x01c20e00 0xc>;
        clocks = <&osc24M>;
        #pwm-cells = <3>;
    };