Documentation / devicetree / bindings / sound / awinic,aw87390.yaml


Based on kernel version 7.0. Page generated on 2026-04-23 09:49 EST.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/awinic,aw87390.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Awinic Aw87390 Audio Amplifier

maintainers:
  - Weidong Wang <wangweidong.a@awinic.com>

description:
  The awinic aw87390 is specifically designed to improve
  the musical output dynamic range, enhance the overall
  sound quallity, which is a new high efficiency, low
  noise, constant large volume, 6th Smart K audio amplifier.

properties:
  compatible:
    oneOf:
      - enum:
          - awinic,aw87390
      - items:
          - enum:
              - anbernic,rgds-amp
          - const: awinic,aw87391

  reg:
    maxItems: 1
 
  "#sound-dai-cells":
    const: 0

  awinic,audio-channel:
    description:
      It is used to distinguish multiple PA devices, so that different
      configurations can be loaded to different PA devices
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 0
    maximum: 7

required:
  - compatible
  - reg
  - "#sound-dai-cells"

unevaluatedProperties: false

allOf:
  - $ref: dai-common.yaml#
  - if:
      properties:
        compatible:
          contains:
            enum:
              - awinic,aw87390
    then:
      required:
        - awinic,audio-channel

  - if:
      properties:
        compatible:
          contains:
            enum:
              - anbernic,rgds-amp
    then:
      properties:
        vdd-supply: true

examples:
  - |
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
        audio-codec@58 {
            compatible = "awinic,aw87390";
            reg = <0x58>;
            #sound-dai-cells = <0>;
            awinic,audio-channel = <0>;
        };
    };