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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/iio/temperature/maxim,max31856.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/iio/temperature/maxim,max31856.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Maxim MAX31856 thermocouple support

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maintainers:

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  - Jonathan Cameron <jic23@kernel.org>

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description: |

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  https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf

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properties:

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  compatible:

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    const: maxim,max31856

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  reg:

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    maxItems: 1

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  spi-cpha: true

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  thermocouple-type:

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    $ref: /schemas/types.yaml#/definitions/uint32

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    description:

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      Type of thermocouple (THERMOCOUPLE_TYPE_K if omitted).

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      Use defines in dt-bindings/iio/temperature/thermocouple.h.

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      Supported types are B, E, J, K, N, R, S, T.

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required:

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  - compatible

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  - reg

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  - spi-cpha

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allOf:

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  - $ref: /schemas/spi/spi-peripheral-props.yaml#

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unevaluatedProperties: false

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examples:

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  - |

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    #include <dt-bindings/iio/temperature/thermocouple.h>

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    spi {

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        #address-cells = <1>;

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        #size-cells = <0>;

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        temp-sensor@0 {

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            compatible = "maxim,max31856";

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            reg = <0>;

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            spi-max-frequency = <5000000>;

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            spi-cpha;

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            thermocouple-type = <THERMOCOUPLE_TYPE_K>;

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        };

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    };

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...

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