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
7 title: Analog Devices ADAU1977/ADAU1978/ADAU1979 Quad ADC with Diagnostics
8
9 maintainers:
10 - Lars-Peter Clausen <lars@metafoo.de>
11 - Bogdan Togorean <bogdan.togorean@analog.com>
12
13 description: |
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
19 properties:
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 AVDD-supply:
36 description: Analog power support for the device.
37
38 DVDD-supply:
39 description: Supply voltage for digital core.
40
41 adi,micbias:
42 description: |
43 Configures the voltage setting for the MICBIAS pin.
44 $ref: /schemas/types.yaml#/definitions/uint32
45 enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
46 default: 7
47
48 required:
49 - reg
50 - compatible
51 - AVDD-supply
52
53 allOf:
54 - $ref: dai-common.yaml#
55 - $ref: /schemas/spi/spi-peripheral-props.yaml#
56
57 unevaluatedProperties: false
58
59 examples:
60 - |
61 #include <dt-bindings/gpio/gpio.h>
62
63 spi {
64 #address-cells = <1>;
65 #size-cells = <0>;
66 adau1977_spi: adau1977@0 {
67 compatible = "adi,adau1977";
68 reg = <0>;
69 spi-max-frequency = <600000>;
70
71 AVDD-supply = <®ulator>;
72 DVDD-supply = <®ulator_digital>;
73
74 reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
75
76 adi,micbias = <3>;
77 };
78 };
79 - |
80 #include <dt-bindings/gpio/gpio.h>
81
82 i2c {
83 #address-cells = <1>;
84 #size-cells = <0>;
85 adau1977_i2c: adau1977@11 {
86 compatible = "adi,adau1977";
87 reg = <0x11>;
88
89 AVDD-supply = <®ulator>;
90 DVDD-supply = <®ulator_digital>;
91
92 reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
93 };
94 };
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