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# 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>;
};
};
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