xref: /freebsd/sys/contrib/device-tree/Bindings/iio/adc/maxim,max1118.yaml (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc) 
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
7title: Maxim MAX1118 and similar ADCs
8
9maintainers:
10  - Akinobu Mita <akinobu.mita@gmail.com>
11
12description: |
13    Dual channel 8bit ADCs.
14
15properties:
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
31allOf:
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
45required:
46  - compatible
47  - reg
48
49unevaluatedProperties: false
50
51examples:
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...
65