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 - Patrick Vasseur <patrick.vasseur@c-s.fr>
12
13 description: |
14 Analog Devices AD7904, AD7914, AD7923, AD7924 4 Channel ADCs, and AD7908,
15 AD7918, AD7928 8 Channels ADCs.
16
17 Specifications about the part can be found at:
18 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7923.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7904_7914_7924.pdf
20 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7908_7918_7928.pdf
21
22 properties:
23 compatible:
24 enum:
25 - adi,ad7904
26 - adi,ad7914
27 - adi,ad7923
28 - adi,ad7924
29 - adi,ad7908
30 - adi,ad7918
31 - adi,ad7928
32
33 reg:
34 maxItems: 1
35
36 refin-supply:
37 description: |
38 The regulator supply for ADC reference voltage.
39
40 '#address-cells':
41 const: 1
42
43 '#size-cells':
44 const: 0
45
46 spi-max-frequency: true
47
48 required:
49 - compatible
50 - reg
51
52 additionalProperties: false
53
54 examples:
55 - |
56 spi {
57 #address-cells = <1>;
58 #size-cells = <0>;
59
60 ad7928: adc@0 {
61 compatible = "adi,ad7928";
62 reg = <0>;
63 spi-max-frequency = <25000000>;
64 refin-supply = <&adc_vref>;
65
66 #address-cells = <1>;
67 #size-cells = <0>;
68 };
69 };
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