1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/adi,ad7923.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Analog Devices AD7923 and similars with 4 and 8 Channel ADCs.
8
9 maintainers:
10 - Michael Hennerich <michael.hennerich@analog.com>
11
12 description: |
13 Analog Devices AD7904, AD7914, AD7923, AD7924 4 Channel ADCs, and AD7908,
14 AD7918, AD7927, AD7928 8 Channels ADCs.
15
16 Specifications about the part can be found at:
17 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7923.pdf
18 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7904_7914_7924.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7908_7918_7928.pdf
20
21 properties:
22 compatible:
23 oneOf:
24 - enum:
25 - adi,ad7904
26 - adi,ad7908
27 - adi,ad7914
28 - adi,ad7918
29 - adi,ad7923
30 - adi,ad7928
31 - const: adi,ad7924
32 deprecated: true
33 - items:
34 - const: adi,ad7924
35 - const: adi,ad7923
36 - items:
37 - const: adi,ad7927
38 - const: adi,ad7928
39
40 reg:
41 maxItems: 1
42
43 refin-supply:
44 description: |
45 The regulator supply for ADC reference voltage.
46
47 adi,range-double:
48 description: Sets the analog input range from 0 to 2xVREF.
49 type: boolean
50
51 '#address-cells':
52 const: 1
53
54 '#size-cells':
55 const: 0
56
57 required:
58 - compatible
59 - reg
60
61 allOf:
62 - $ref: /schemas/spi/spi-peripheral-props.yaml#
63
64 unevaluatedProperties: false
65
66 examples:
67 - |
68 spi {
69 #address-cells = <1>;
70 #size-cells = <0>;
71
72 ad7928: adc@0 {
73 compatible = "adi,ad7928";
74 reg = <0>;
75 spi-max-frequency = <25000000>;
76 refin-supply = <&adc_vref>;
77
78 #address-cells = <1>;
79 #size-cells = <0>;
80 };
81 };
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