xref: /freebsd/sys/contrib/device-tree/Bindings/iio/adc/adi,ad7923.yaml (revision 7ef62cebc2f965b0f640263e179276928885e33d) 
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
7title: Analog Devices AD7923 and similars with 4 and 8 Channel ADCs.
8
9maintainers:
10  - Michael Hennerich <michael.hennerich@analog.com>
11
12description: |
13  Analog Devices AD7904, AD7914, AD7923, AD7924 4 Channel ADCs, and AD7908,
14   AD7918, 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
21properties:
22  compatible:
23    enum:
24      - adi,ad7904
25      - adi,ad7914
26      - adi,ad7923
27      - adi,ad7924
28      - adi,ad7908
29      - adi,ad7918
30      - adi,ad7928
31
32  reg:
33    maxItems: 1
34
35  refin-supply:
36    description: |
37      The regulator supply for ADC reference voltage.
38
39  adi,range-double:
40    description: Sets the analog input range from 0 to 2xVREF.
41    type: boolean
42
43  '#address-cells':
44    const: 1
45
46  '#size-cells':
47    const: 0
48
49required:
50  - compatible
51  - reg
52
53allOf:
54  - $ref: /schemas/spi/spi-peripheral-props.yaml#
55
56unevaluatedProperties: false
57
58examples:
59  - |
60    spi {
61      #address-cells = <1>;
62      #size-cells = <0>;
63
64      ad7928: adc@0 {
65        compatible = "adi,ad7928";
66        reg = <0>;
67        spi-max-frequency = <25000000>;
68        refin-supply = <&adc_vref>;
69
70        #address-cells = <1>;
71        #size-cells = <0>;
72      };
73    };
74