1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/hwmon/microchip,mcp3021.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Microchip MCP3021 A/D converter
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11
12 properties:
13 compatible:
14 enum:
15 - microchip,mcp3021
16 - microchip,mcp3221
17
18 reg:
19 maxItems: 1
20
21 reference-voltage-microvolt:
22 description:
23 VDD supply power and reference voltage
24
25 required:
26 - compatible
27 - reg
28
29 additionalProperties: false
30
31 examples:
32 - |
33 i2c {
34 #address-cells = <1>;
35 #size-cells = <0>;
36
37 adc@4d {
38 compatible = "microchip,mcp3021";
39 reg = <0x4d>;
40
41 reference-voltage-microvolt = <4500000>; /* 4.5 V */
42 };
43 };
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