# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/backlight/maxim,max25014.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Maxim max25014 backlight controller

maintainers:
  - Maud Spierings <maudspierings@gocontroll.com>

properties:
  compatible:
    enum:
      - maxim,max25014

  reg:
    maxItems: 1

  default-brightness:
    minimum: 0
    maximum: 100
    default: 50

  enable-gpios:
    maxItems: 1

  interrupts:
    maxItems: 1

  power-supply:
    description: Regulator which controls the boost converter input rail.

  pwms:
    maxItems: 1

  maxim,iset:
    $ref: /schemas/types.yaml#/definitions/uint32
    maximum: 15
    default: 11
    description:
      Value of the ISET field in the ISET register. This controls the current
      scale of the outputs, a higher number means more current.

  maxim,strings:
    $ref: /schemas/types.yaml#/definitions/uint32-array
    description:
      A 4-bit bitfield that describes which led strings to turn on.
    minItems: 4
    maxItems: 4
    items:
      maximum: 1
    default:
      [1 1 1 1]

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
 
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        backlight@6f {
            compatible = "maxim,max25014";
            reg = <0x6f>;
            default-brightness = <50>;
            enable-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
            interrupt-parent = <&gpio1>;
            interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
            power-supply = <&reg_backlight>;
            pwms = <&pwm1>;
            maxim,iset = <7>;
            maxim,strings = <1 1 1 0>;
        };
    };