Documentation / devicetree / bindings / sound / mt8186-mt6366-rt1019-rt5682s.yaml


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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mt8186-mt6366-rt1019-rt5682s.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Mediatek MT8186 with MT6366, RT1019 and RT5682S ASoC sound card driver

maintainers:
  - Jiaxin Yu <jiaxin.yu@mediatek.com>

description:
  This binding describes the MT8186 sound card.

properties:
  compatible:
    enum:
      - mediatek,mt8186-mt6366-rt1019-rt5682s-sound
      - mediatek,mt8186-mt6366-rt5682s-max98360-sound
      - mediatek,mt8186-mt6366-rt5650-sound

  mediatek,platform:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: The phandle of MT8186 ASoC platform.

  dmic-gpios:
    maxItems: 1
    description:
      dmic-gpios optional prop for switching between two DMICs.
      Ex, the GPIO can control a MUX HW component to select
      dmic clk and data form a Front or Rear dmic.

  headset-codec:
    type: object
    additionalProperties: false
    properties:
      sound-dai:
        maxItems: 1
    required:
      - sound-dai

  playback-codecs:
    type: object
    additionalProperties: false
    properties:
      sound-dai:
        items:
          - description: phandle of dp codec
          - description: phandle of l channel speaker codec
          - description: phandle of r channel speaker codec
        minItems: 2
    required:
      - sound-dai

  mediatek,adsp:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: The phandle of MT8186 ADSP platform.

  mediatek,dai-link:
    $ref: /schemas/types.yaml#/definitions/string-array
    description:
      A list of the desired dai-links in the sound card. Each entry is a
      name defined in the machine driver.

additionalProperties: false

required:
  - compatible
  - mediatek,platform
  - headset-codec
  - playback-codecs

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
 
    sound: mt8186-sound {
        compatible = "mediatek,mt8186-mt6366-rt1019-rt5682s-sound";
        mediatek,platform = <&afe>;
        pinctrl-names = "aud_clk_mosi_off",
                        "aud_clk_mosi_on",
                        "aud_gpio_dmic_sec";
        pinctrl-0 = <&aud_clk_mosi_off>;
        pinctrl-1 = <&aud_clk_mosi_on>;
        pinctrl-2 = <&aud_gpio_dmic_sec>;
 
        dmic-gpios = <&pio 23 GPIO_ACTIVE_HIGH>;
 
        headset-codec {
            sound-dai = <&rt5682s>;
        };
 
        playback-codecs {
             sound-dai = <&it6505dptx>,
                         <&rt1019p>;
        };
    };

...