# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/nuvoton,nau8822.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NAU8822 audio CODEC

description: |
  24 bit stereo audio codec with speaker driver.
  This device supports I2C/SPI.

maintainers:
  - David Lin <CTLIN0@nuvoton.com>

properties:
  compatible:
    enum:
      - nuvoton,nau8822

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

  clocks:
    maxItems: 1

  clock-names:
    const: mclk

  vdda-supply:
    description: Analog power supply

  vddb-supply:
    description: Digital buffer (input/output) supply

  vddc-supply:
    description: Digital core supply

  vddspk-supply:
    description:
      Speaker supply (power supply pin for RSPKOUT, LSPKOUT, AUXOUT2 and
      AUXTOUT1 output drivers)

  nuvoton,spk-btl:
    description:
      If set, configure the two loudspeaker outputs as a Bridge Tied Load output
      to drive a high power external loudspeaker.
    $ref: /schemas/types.yaml#/definitions/flag

required:
  - compatible
  - reg

allOf:
  - $ref: dai-common.yaml#

additionalProperties: false

examples:
  - |
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        codec@1a {
            compatible = "nuvoton,nau8822";
            reg = <0x1a>;
            vdda-supply = <&vcca_3v3_s0>;
            vddb-supply = <&vcca_3v3_s0>;
            vddc-supply = <&vcca_3v3_s0>;
            vddspk-supply = <&vcca_3v3_s0>;
        };
    };