xref: /linux/Documentation/devicetree/bindings/sound/adi,adau1977.yaml (revision 9dbbc3b9d09d6deba9f3b9e1d5b355032ed46a75) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/adi,adau1977.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Analog Devices ADAU1977/ADAU1978/ADAU1979 Quad ADC with Diagnostics
8
9maintainers:
10  - Lars-Peter Clausen <lars@metafoo.de>
11  - Bogdan Togorean <bogdan.togorean@analog.com>
12
13description: |
14  Analog Devices ADAU1977 and similar quad ADC with Diagnostics
15  https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
16  https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
17  https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
18
19properties:
20  compatible:
21    enum:
22      - adi,adau1977
23      - adi,adau1978
24      - adi,adau1979
25
26  reg:
27    maxItems: 1
28
29  "#sound-dai-cells":
30    const: 0
31
32  reset-gpios:
33    maxItems: 1
34
35  spi-max-frequency: true
36
37  AVDD-supply:
38    description: Analog power support for the device.
39
40  DVDD-supply:
41    description: Supply voltage for digital core.
42
43  adi,micbias:
44    description: |
45      Configures the voltage setting for the MICBIAS pin.
46    $ref: /schemas/types.yaml#/definitions/uint32
47    enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
48    default: 7
49
50required:
51  - reg
52  - compatible
53  - AVDD-supply
54
55additionalProperties: false
56
57examples:
58  - |
59    #include <dt-bindings/gpio/gpio.h>
60
61    spi {
62        #address-cells = <1>;
63        #size-cells = <0>;
64        adau1977_spi: adau1977@0 {
65            compatible = "adi,adau1977";
66            reg = <0>;
67            spi-max-frequency = <600000>;
68
69            AVDD-supply = <&regulator>;
70            DVDD-supply = <&regulator_digital>;
71
72            reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
73
74            adi,micbias = <3>;
75        };
76    };
77  - |
78    #include <dt-bindings/gpio/gpio.h>
79
80    i2c {
81        #address-cells = <1>;
82        #size-cells = <0>;
83        adau1977_i2c: adau1977@11 {
84            compatible = "adi,adau1977";
85            reg = <0x11>;
86
87            AVDD-supply = <&regulator>;
88            DVDD-supply = <&regulator_digital>;
89
90            reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
91        };
92    };
93