Commit 17d1ffdf authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

dt-bindings:iio:temperature:maxim,max31856 yaml conversion. 



Simple txt to yaml conversion of this binding.
Paresh Chaudhary's email is bouncing so for now I've listed
myself as maintainer.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201031134110.724233-28-jic23@kernel.org
parent 93f8dd3b

Documentation/devicetree/bindings/iio/temperature/max31856.txt

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Maxim MAX31856 thermocouple support



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



Optional property:

	- thermocouple-type: Type of thermocouple (THERMOCOUPLE_TYPE_K if

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



Required properties:

	- compatible: must be "maxim,max31856"

	- reg: SPI chip select number for the device

	- spi-max-frequency: As per datasheet max. supported freq is 5000000

	- spi-cpha: must be defined for max31856 to enable SPI mode 1



	Refer to spi/spi-bus.txt for generic SPI slave bindings.



 Example:

	temp-sensor@0 {

		compatible = "maxim,max31856";

		reg = <0>;

		spi-max-frequency = <5000000>;

		spi-cpha;

		thermocouple-type = <THERMOCOUPLE_TYPE_K>;

	};

Documentation/devicetree/bindings/iio/temperature/maxim,max31856.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

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

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



title: Maxim MAX31856 thermocouple support



maintainers:

  - Jonathan Cameron <jic23@kernel.org>



description: |

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



properties:

  compatible:

    const: maxim,max31856



  reg:

    maxItems: 1



  spi-max-frequency: true

  spi-cpha: true



  thermocouple-type:

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

    description:

      Type of thermocouple (THERMOCOUPLE_TYPE_K if omitted).

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

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



required:

  - compatible

  - reg

  - spi-cpha



additionalProperties: false



examples:

  - |

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

    spi {

        #address-cells = <1>;

        #size-cells = <0>;



        temp-sensor@0 {

            compatible = "maxim,max31856";

            reg = <0>;

            spi-max-frequency = <5000000>;

            spi-cpha;

            thermocouple-type = <THERMOCOUPLE_TYPE_K>;

        };

    };

...