xref: /freebsd/sys/contrib/device-tree/Bindings/pwm/sophgo,sg2042-pwm.yaml (revision 833e5d42ab135b0238e61c5b3c19b8619677cbfa)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/sophgo,sg2042-pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Sophgo SG2042 PWM controller

maintainers:
  - Chen Wang <unicorn_wang@outlook.com>

description:
  This controller contains 4 channels which can generate PWM waveforms.

allOf:
  - $ref: pwm.yaml#

properties:
  compatible:
    enum:
      - sophgo,sg2042-pwm
      - sophgo,sg2044-pwm

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: apb

  resets:
    maxItems: 1

  "#pwm-cells":
    const: 3

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - resets

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/reset/sophgo,sg2042-reset.h>

    pwm@7f006000 {
        compatible = "sophgo,sg2042-pwm";
        reg = <0x7f006000 0x1000>;
        #pwm-cells = <3>;
        clocks = <&clock 67>;
        clock-names = "apb";
        resets = <&rstgen RST_PWM>;
    };