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
7 title: Maxim MAX31865 Resistance Temperature Detector.
8
9 maintainers:
10 - Navin Sankar Velliangiri <navin@linumiz.com>
11
12 description: |
13 https://datasheets.maximintegrated.com/en/ds/MAX31865.pdf
14
15 properties:
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-max-frequency: true
29 spi-cpha: true
30
31 required:
32 - compatible
33 - reg
34 - spi-cpha
35
36 additionalProperties: false
37
38 examples:
39 - |
40 spi {
41 #address-cells = <1>;
42 #size-cells = <0>;
43
44 temp_sensor@0 {
45 compatible = "maxim,max31865";
46 reg = <0>;
47 spi-max-frequency = <400000>;
48 spi-cpha;
49 maxim,3-wire;
50 };
51 };
52 ...
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