xref: /linux/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/temperature/maxim,max31865.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Maxim MAX31865 Resistance Temperature Detector.
8
9maintainers:
10  - Navin Sankar Velliangiri <navin@linumiz.com>
11
12description: |
13  https://datasheets.maximintegrated.com/en/ds/MAX31865.pdf
14
15properties:
16  compatible:
17    const: maxim,max31865
18
19  reg:
20    maxItems: 1
21
22  maxim,3-wire:
23    description:
24      Identifies the number of wires used by the RTD. Setting this property
25      enables 3-wire RTD connection. Else 2-wire or 4-wire RTD connection.
26    type: boolean
27
28  spi-cpha: true
29
30required:
31  - compatible
32  - reg
33  - spi-cpha
34
35allOf:
36  - $ref: /schemas/spi/spi-peripheral-props.yaml#
37
38unevaluatedProperties: false
39
40examples:
41  - |
42    spi {
43       #address-cells = <1>;
44       #size-cells = <0>;
45
46       temperature-sensor@0 {
47           compatible = "maxim,max31865";
48           reg = <0>;
49           spi-max-frequency = <400000>;
50           spi-cpha;
51           maxim,3-wire;
52       };
53    };
54...
55