# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/sound/adi,adau1977.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices ADAU1977/ADAU1978/ADAU1979 Quad ADC with Diagnostics
maintainers:
- Lars-Peter Clausen <lars@metafoo.de>
- Bogdan Togorean <bogdan.togorean@analog.com>
description: |
Analog Devices ADAU1977 and similar quad ADC with Diagnostics
https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
properties:
compatible:
enum:
- adi,adau1977
- adi,adau1978
- adi,adau1979
reg:
maxItems: 1
"#sound-dai-cells":
const: 0
reset-gpios:
maxItems: 1
AVDD-supply:
description: Analog power support for the device.
DVDD-supply:
description: Supply voltage for digital core.
adi,micbias:
description: |
Configures the voltage setting for the MICBIAS pin.
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
default: 7
required:
- reg
- compatible
- AVDD-supply
allOf:
- $ref: dai-common.yaml#
- $ref: /schemas/spi/spi-peripheral-props.yaml#
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
adau1977_spi: adau1977@0 {
compatible = "adi,adau1977";
reg = <0>;
spi-max-frequency = <600000>;
AVDD-supply = <®ulator>;
DVDD-supply = <®ulator_digital>;
reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
adi,micbias = <3>;
};
};
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
adau1977_i2c: adau1977@11 {
compatible = "adi,adau1977";
reg = <0x11>;
AVDD-supply = <®ulator>;
DVDD-supply = <®ulator_digital>;
reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
};
};
