# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/sound/adi,adau1373.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices ADAU1373 CODEC
maintainers:
- Nuno Sá <nuno.sa@analog.com>
description: |
Analog Devices ADAU1373 Low power codec with speaker and headphone amplifiers.
https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1373.pdf
allOf:
- $ref: dai-common.yaml#
properties:
compatible:
enum:
- adi,adau1373
reg:
maxItems: 1
"#sound-dai-cells":
const: 0
powerdown-gpios:
description: GPIO used for hardware power-down.
maxItems: 1
adi,micbias1-microvolt:
description:
This property sets the microphone bias voltage for the first microphone.
enum: [1800000, 2200000, 2600000, 2900000]
default: 2900000
adi,micbias2-microvolt:
description:
This property sets the microphone bias voltage for the second microphone.
enum: [1800000, 2200000, 2600000, 2900000]
default: 2900000
adi,input1-differential:
description: This property sets the first analog input as differential.
type: boolean
adi,input2-differential:
description: This property sets the second analog input as differential.
type: boolean
adi,input3-differential:
description: This property sets the third analog input as differential.
type: boolean
adi,input4-differential:
description: This property sets the fourth analog input as differential.
type: boolean
adi,lineout-differential:
description: This property sets the line output as differential.
type: boolean
adi,lineout-gnd-sense:
description: This property enables the line output ground sense control.
type: boolean
adi,drc-settings:
description:
This setting is used to control the dynamic range of the signal. The
device provides a maximum of three full band DRCs with 13 entries each.
$ref: /schemas/types.yaml#/definitions/uint8-array
oneOf:
- minItems: 13
maxItems: 13
- minItems: 26
maxItems: 26
- minItems: 39
maxItems: 39
required:
- "#sound-dai-cells"
- compatible
- reg
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
audio-codec@1a {
compatible = "adi,adau1373";
reg = <0x1a>;
#sound-dai-cells = <0>;
powerdown-gpios = <&gpio 100 GPIO_ACTIVE_LOW>;
adi,input2-differential;
adi,input1-differential;
adi,lineout-differential;
adi,micbias2-microvolt = <1800000>;
adi,drc-settings = /bits/ 8 <
0xff 0xff 0x1 0x2 0xa 0xa 0xd 0x1 0xff 0xff 0x5 0xd 0xff
>;
};
};
...
