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