1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/temperature/maxim,max31856.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Maxim MAX31856 thermocouple support
8
9maintainers:
10  - Jonathan Cameron <jic23@kernel.org>
11
12description: |
13  https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf
14
15properties:
16  compatible:
17    const: maxim,max31856
18
19  reg:
20    maxItems: 1
21
22  spi-max-frequency: true
23  spi-cpha: true
24
25  thermocouple-type:
26    $ref: /schemas/types.yaml#/definitions/uint32
27    description:
28      Type of thermocouple (THERMOCOUPLE_TYPE_K if omitted).
29      Use defines in dt-bindings/iio/temperature/thermocouple.h.
30      Supported types are B, E, J, K, N, R, S, T.
31
32required:
33  - compatible
34  - reg
35  - spi-cpha
36
37additionalProperties: false
38
39examples:
40  - |
41    #include <dt-bindings/iio/temperature/thermocouple.h>
42    spi {
43        #address-cells = <1>;
44        #size-cells = <0>;
45
46        temp-sensor@0 {
47            compatible = "maxim,max31856";
48            reg = <0>;
49            spi-max-frequency = <5000000>;
50            spi-cpha;
51            thermocouple-type = <THERMOCOUPLE_TYPE_K>;
52        };
53    };
54...
55