1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/maxim,max1118.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Maxim MAX1118 and similar ADCs
8
9 maintainers:
10 - Akinobu Mita <akinobu.mita@gmail.com>
11
12 description: |
13 Dual channel 8bit ADCs.
14
15 properties:
16 compatible:
17 enum:
18 - maxim,max1117
19 - maxim,max1118
20 - maxim,max1119
21
22 reg:
23 maxItems: 1
24
25 spi-max-frequency:
26 maximum: 5000000
27
28 vref-supply:
29 description: External reference, needed to establish input scaling
30
31 allOf:
32 - $ref: /schemas/spi/spi-peripheral-props.yaml#
33 - if:
34 properties:
35 compatible:
36 contains:
37 const: maxim,max1118
38 then:
39 required:
40 - vref-supply
41 else:
42 properties:
43 vref-supply: false
44
45 required:
46 - compatible
47 - reg
48
49 unevaluatedProperties: false
50
51 examples:
52 - |
53 spi {
54 #address-cells = <1>;
55 #size-cells = <0>;
56
57 adc@0 {
58 compatible = "maxim,max1118";
59 reg = <0>;
60 vref-supply = <&adc_vref>;
61 spi-max-frequency = <1000000>;
62 };
63 };
64 ...
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