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
7 title: Microchip mcp3201 and similar ADCs
8
9 maintainers:
10 - Oskar Andero <oskar.andero@gmail.com>
11
12 description: |
13 Family of simple ADCs with a SPI interface.
14
15 properties:
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-max-frequency: true
36 spi-cpha: true
37 spi-cpol: true
38
39 vref-supply:
40 description: External reference.
41
42 "#io-channel-cells":
43 const: 1
44
45 dependencies:
46 spi-cpol: [ spi-cpha ]
47 spi-cpha: [ spi-cpol ]
48
49 required:
50 - compatible
51 - reg
52 - vref-supply
53
54 additionalProperties: false
55
56 examples:
57 - |
58 spi {
59 #address-cells = <1>;
60 #size-cells = <0>;
61
62 adc@0 {
63 compatible = "microchip,mcp3002";
64 reg = <0>;
65 vref-supply = <&vref_reg>;
66 spi-cpha;
67 spi-cpol;
68 #io-channel-cells = <1>;
69 };
70 adc@1 {
71 compatible = "microchip,mcp3002";
72 reg = <1>;
73 vref-supply = <&vref_reg>;
74 spi-max-frequency = <1500000>;
75 };
76 };
77 ...
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