dt-bindings: iio: potentiometer: add max5432.yaml binding

# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/potentiometer/max5432.yaml#

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

title: Maxim Integrated MAX5432-MAX5435 Digital Potentiometers

maintainers:

  - Martin Kaiser <martin@kaiser.cx>

description: |

  Maxim Integrated MAX5432-MAX5435 Digital Potentiometers connected via I2C

  Datasheet:

    https://datasheets.maximintegrated.com/en/ds/MAX5432-MAX5435.pdf

properties:

  compatible:

    enum:

      - maxim,max5432

      - maxim,max5433

      - maxim,max5434

      - maxim,max5435

  reg:

    maxItems: 1

required:

  - compatible

  - reg

additionalProperties: false

examples:

  - |

    i2c {

      #address-cells = <1>;

      #size-cells = <0>;

      max5434@28 {

        compatible = "maxim,max5434";

        reg = <0x28>;

      };

    };