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[1] https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git/ Tested-by: Heiko Stuebner <heiko@sntech.de> # rk3588-rock5b, rk3588-jaguar, # rk3588-tiger (pending patch)
47 lines
1.0 KiB
YAML
47 lines
1.0 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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$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd2801.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Kinetic Technologies KTD2801 one-wire backlight
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maintainers:
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- Duje Mihanović <duje.mihanovic@skole.hr>
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description: |
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The Kinetic Technologies KTD2801 is a LED backlight driver controlled
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by a single GPIO line. The driver can be controlled with a PWM signal
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or by pulsing the GPIO line to set the backlight level. This is called
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"ExpressWire".
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allOf:
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- $ref: common.yaml#
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properties:
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compatible:
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const: kinetic,ktd2801
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ctrl-gpios:
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maxItems: 1
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default-brightness: true
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max-brightness: true
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required:
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- compatible
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- ctrl-gpios
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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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backlight {
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compatible = "kinetic,ktd2801";
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ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>;
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max-brightness = <210>;
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default-brightness = <100>;
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};
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