84 lines
1.8 KiB
YAML
84 lines
1.8 KiB
YAML
# 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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$id: http://devicetree.org/schemas/leds/backlight/maxim,max25014.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim max25014 backlight controller
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maintainers:
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- Maud Spierings <maudspierings@gocontroll.com>
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properties:
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compatible:
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enum:
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- maxim,max25014
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reg:
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maxItems: 1
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default-brightness:
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minimum: 0
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maximum: 100
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default: 50
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enable-gpios:
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maxItems: 1
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interrupts:
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maxItems: 1
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power-supply:
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description: Regulator which controls the boost converter input rail.
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pwms:
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maxItems: 1
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maxim,iset:
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$ref: /schemas/types.yaml#/definitions/uint32
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maximum: 15
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default: 11
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description:
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Value of the ISET field in the ISET register. This controls the current
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scale of the outputs, a higher number means more current.
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maxim,strings:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description:
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A 4-bit bitfield that describes which led strings to turn on.
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minItems: 4
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maxItems: 4
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items:
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maximum: 1
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default:
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[1 1 1 1]
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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backlight@6f {
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compatible = "maxim,max25014";
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reg = <0x6f>;
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default-brightness = <50>;
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enable-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
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interrupt-parent = <&gpio1>;
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interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
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power-supply = <®_backlight>;
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pwms = <&pwm1>;
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maxim,iset = <7>;
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maxim,strings = <1 1 1 0>;
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};
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};
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