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,ad7292.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Analog Devices AD7292 10-Bit Monitor and Control System
8
9 maintainers:
10 - Marcelo Schmitt <marcelo.schmitt1@gmail.com>
11
12 description: |
13 Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
14 Temperature Sensor, and GPIOs
15
16 Specifications about the part can be found at:
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
18
19 properties:
20 compatible:
21 enum:
22 - adi,ad7292
23
24 reg:
25 maxItems: 1
26
27 vref-supply:
28 description: |
29 The regulator supply for ADC and DAC reference voltage.
30
31 spi-cpha: true
32
33 '#address-cells':
34 const: 1
35
36 '#size-cells':
37 const: 0
38
39 required:
40 - compatible
41 - reg
42 - spi-cpha
43
44 patternProperties:
45 "^channel@[0-7]$":
46 $ref: adc.yaml
47 type: object
48 description: |
49 Represents the external channels which are connected to the ADC.
50
51 properties:
52 reg:
53 description: |
54 The channel number. It can have up to 8 channels numbered from 0 to 7.
55 items:
56 - minimum: 0
57 maximum: 7
58
59 diff-channels: true
60
61 required:
62 - reg
63
64 additionalProperties: false
65
66 allOf:
67 - $ref: /schemas/spi/spi-peripheral-props.yaml#
68
69 unevaluatedProperties: false
70
71 examples:
72 - |
73 spi {
74 #address-cells = <1>;
75 #size-cells = <0>;
76
77 ad7292: adc@0 {
78 compatible = "adi,ad7292";
79 reg = <0>;
80 spi-max-frequency = <25000000>;
81 vref-supply = <&adc_vref>;
82 spi-cpha;
83
84 #address-cells = <1>;
85 #size-cells = <0>;
86
87 channel@0 {
88 reg = <0>;
89 diff-channels = <0 1>;
90 };
91 channel@2 {
92 reg = <2>;
93 };
94 channel@3 {
95 reg = <3>;
96 };
97 channel@4 {
98 reg = <4>;
99 };
100 channel@5 {
101 reg = <5>;
102 };
103 channel@6 {
104 reg = <6>;
105 };
106 channel@7 {
107 reg = <7>;
108 };
109 };
110 };
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