144e1655aSRob Herring# SPDX-License-Identifier: GPL-2.0-only 244e1655aSRob Herring%YAML 1.2 344e1655aSRob Herring--- 444e1655aSRob Herring$id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml# 544e1655aSRob Herring$schema: http://devicetree.org/meta-schemas/core.yaml# 644e1655aSRob Herring 784e85359SKrzysztof Kozlowskititle: led-backlight 844e1655aSRob Herring 944e1655aSRob Herringmaintainers: 102654f59bSLee Jones - Lee Jones <lee@kernel.org> 1144e1655aSRob Herring - Daniel Thompson <daniel.thompson@linaro.org> 1244e1655aSRob Herring - Jingoo Han <jingoohan1@gmail.com> 1344e1655aSRob Herring 1444e1655aSRob Herringdescription: 1544e1655aSRob Herring This binding is used to describe a basic backlight device made of LEDs. It 1644e1655aSRob Herring can also be used to describe a backlight device controlled by the output of 1744e1655aSRob Herring a LED driver. 1844e1655aSRob Herring 19*d5272d39SFlavio SuligoiallOf: 20*d5272d39SFlavio Suligoi - $ref: common.yaml# 21*d5272d39SFlavio Suligoi 2244e1655aSRob Herringproperties: 2344e1655aSRob Herring compatible: 2444e1655aSRob Herring const: led-backlight 2544e1655aSRob Herring 2644e1655aSRob Herring leds: 2744e1655aSRob Herring description: A list of LED nodes 2844e1655aSRob Herring $ref: /schemas/types.yaml#/definitions/phandle-array 2939bd2b6aSRob Herring items: 3039bd2b6aSRob Herring maxItems: 1 3144e1655aSRob Herring 3244e1655aSRob Herringrequired: 3344e1655aSRob Herring - compatible 3444e1655aSRob Herring - leds 3544e1655aSRob Herring 36*d5272d39SFlavio SuligoiunevaluatedProperties: false 3744e1655aSRob Herring 3844e1655aSRob Herringexamples: 3944e1655aSRob Herring - | 4044e1655aSRob Herring backlight { 4144e1655aSRob Herring compatible = "led-backlight"; 4244e1655aSRob Herring 4344e1655aSRob Herring leds = <&led1>, <&led2>; 4444e1655aSRob Herring brightness-levels = <0 4 8 16 32 64 128 255>; 4544e1655aSRob Herring default-brightness-level = <6>; 4644e1655aSRob Herring }; 4744e1655aSRob Herring 4844e1655aSRob Herring... 49