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Open Menu / Documentation / devicetree / bindings / pwm / pwm-amlogic.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/pwm-amlogic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic PWM

maintainers:
  - Heiner Kallweit <hkallweit1@gmail.com>

allOf:
  - $ref: pwm.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - amlogic,meson8b-pwm
          - amlogic,meson-gxbb-pwm
          - amlogic,meson-gxbb-ao-pwm
          - amlogic,meson-axg-ee-pwm
          - amlogic,meson-axg-ao-pwm
          - amlogic,meson-g12a-ee-pwm
          - amlogic,meson-g12a-ao-pwm-ab
          - amlogic,meson-g12a-ao-pwm-cd
          - amlogic,meson-s4-pwm
      - items:
          - const: amlogic,meson-gx-pwm
          - const: amlogic,meson-gxbb-pwm
      - items:
          - const: amlogic,meson-gx-ao-pwm
          - const: amlogic,meson-gxbb-ao-pwm
      - items:
          - const: amlogic,meson8-pwm
          - const: amlogic,meson8b-pwm

  reg:
    maxItems: 1

  clocks:
    minItems: 1
    maxItems: 2

  clock-names:
    oneOf:
      - items:
          - enum: [clkin0, clkin1]
      - items:
          - const: clkin0
          - const: clkin1

  "#pwm-cells":
    const: 3

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    pwm@8550 {
      compatible = "amlogic,meson-gxbb-pwm";
      reg = <0x08550 0x10>;
      clocks = <&xtal>, <&xtal>;
      clock-names = "clkin0", "clkin1";
      #pwm-cells = <3>;
    };