xref: /linux/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml (revision 7eafddce08617b4fdbd9485fa88bb749c8c7125a)

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

title: MediaTek DISP_PWM Controller Device Tree Bindings

maintainers:
  - Jitao Shi <jitao.shi@mediatek.com>
  - Xinlei Lee <xinlei.lee@mediatek.com>

allOf:
  - $ref: pwm.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - mediatek,mt2701-disp-pwm
          - mediatek,mt6595-disp-pwm
          - mediatek,mt8173-disp-pwm
          - mediatek,mt8183-disp-pwm
      - items:
          - const: mediatek,mt8167-disp-pwm
          - const: mediatek,mt8173-disp-pwm
      - items:
          - enum:
              - mediatek,mt8192-disp-pwm
              - mediatek,mt8195-disp-pwm
          - const: mediatek,mt8183-disp-pwm

  reg:
    maxItems: 1

  "#pwm-cells":
    const: 2

  clocks:
    items:
      - description: Main Clock
      - description: Mm Clock

  clock-names:
    items:
      - const: main
      - const: mm

required:
  - compatible
  - reg
  - "#pwm-cells"
  - clocks
  - clock-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/mt8173-clk.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    pwm0: pwm@1401e000 {
        compatible = "mediatek,mt8173-disp-pwm";
        reg = <0x1401e000 0x1000>;
        #pwm-cells = <2>;
        clocks = <&mmsys CLK_MM_DISP_PWM026M>,
                 <&mmsys CLK_MM_DISP_PWM0MM>;
        clock-names = "main", "mm";
    };