xref: /freebsd/sys/contrib/device-tree/Bindings/iio/adc/microchip,mcp3201.yaml (revision 7ef62cebc2f965b0f640263e179276928885e33d) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/adc/microchip,mcp3201.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Microchip mcp3201 and similar ADCs
8
9maintainers:
10  - Oskar Andero <oskar.andero@gmail.com>
11
12description: |
13   Family of simple ADCs with a SPI interface.
14
15properties:
16  compatible:
17    enum:
18      - microchip,mcp3001
19      - microchip,mcp3002
20      - microchip,mcp3004
21      - microchip,mcp3008
22      - microchip,mcp3201
23      - microchip,mcp3202
24      - microchip,mcp3204
25      - microchip,mcp3208
26      - microchip,mcp3301
27      - microchip,mcp3550-50
28      - microchip,mcp3550-60
29      - microchip,mcp3551
30      - microchip,mcp3553
31
32  reg:
33    maxItems: 1
34
35  spi-cpha: true
36  spi-cpol: true
37
38  vref-supply:
39    description: External reference.
40
41  "#io-channel-cells":
42    const: 1
43
44dependencies:
45  spi-cpol: [ spi-cpha ]
46  spi-cpha: [ spi-cpol ]
47
48required:
49  - compatible
50  - reg
51  - vref-supply
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        adc@0 {
65            compatible = "microchip,mcp3002";
66            reg = <0>;
67            vref-supply = <&vref_reg>;
68            spi-cpha;
69            spi-cpol;
70            #io-channel-cells = <1>;
71        };
72        adc@1 {
73            compatible = "microchip,mcp3002";
74            reg = <1>;
75            vref-supply = <&vref_reg>;
76            spi-max-frequency = <1500000>;
77        };
78    };
79...
80