xref: /openbmc/linux/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/temperature/maxim,max31865.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Maxim MAX31865 Resistance Temperature Detector.

maintainers:
  - Navin Sankar Velliangiri <navin@linumiz.com>

description: |
  https://datasheets.maximintegrated.com/en/ds/MAX31865.pdf

properties:
  compatible:
    const: maxim,max31865

  reg:
    maxItems: 1

  maxim,3-wire:
    description:
      Identifies the number of wires used by the RTD. Setting this property
      enables 3-wire RTD connection. Else 2-wire or 4-wire RTD connection.
    type: boolean

  spi-cpha: true

required:
  - compatible
  - reg
  - spi-cpha

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

unevaluatedProperties: false

examples:
  - |
    spi {
       #address-cells = <1>;
       #size-cells = <0>;

       temperature-sensor@0 {
           compatible = "maxim,max31865";
           reg = <0>;
           spi-max-frequency = <400000>;
           spi-cpha;
           maxim,3-wire;
       };
    };
...