1c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0-only 2c66ec88fSEmmanuel Vadot%YAML 1.2 3c66ec88fSEmmanuel Vadot--- 4c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml# 5c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6c66ec88fSEmmanuel Vadot 78bab661aSEmmanuel Vadottitle: led-backlight 8c66ec88fSEmmanuel Vadot 9c66ec88fSEmmanuel Vadotmaintainers: 10b97ee269SEmmanuel Vadot - Lee Jones <lee@kernel.org> 11c66ec88fSEmmanuel Vadot - Daniel Thompson <daniel.thompson@linaro.org> 12c66ec88fSEmmanuel Vadot - Jingoo Han <jingoohan1@gmail.com> 13c66ec88fSEmmanuel Vadot 14c66ec88fSEmmanuel Vadotdescription: 15c66ec88fSEmmanuel Vadot This binding is used to describe a basic backlight device made of LEDs. It 16c66ec88fSEmmanuel Vadot can also be used to describe a backlight device controlled by the output of 17c66ec88fSEmmanuel Vadot a LED driver. 18c66ec88fSEmmanuel Vadot 19*84943d6fSEmmanuel VadotallOf: 20*84943d6fSEmmanuel Vadot - $ref: common.yaml# 21*84943d6fSEmmanuel Vadot 22c66ec88fSEmmanuel Vadotproperties: 23c66ec88fSEmmanuel Vadot compatible: 24c66ec88fSEmmanuel Vadot const: led-backlight 25c66ec88fSEmmanuel Vadot 26c66ec88fSEmmanuel Vadot leds: 27c66ec88fSEmmanuel Vadot description: A list of LED nodes 28c66ec88fSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/phandle-array 29c9ccf3a3SEmmanuel Vadot items: 30c9ccf3a3SEmmanuel Vadot maxItems: 1 31c66ec88fSEmmanuel Vadot 32c66ec88fSEmmanuel Vadotrequired: 33c66ec88fSEmmanuel Vadot - compatible 34c66ec88fSEmmanuel Vadot - leds 35c66ec88fSEmmanuel Vadot 36*84943d6fSEmmanuel VadotunevaluatedProperties: false 37c66ec88fSEmmanuel Vadot 38c66ec88fSEmmanuel Vadotexamples: 39c66ec88fSEmmanuel Vadot - | 40c66ec88fSEmmanuel Vadot backlight { 41c66ec88fSEmmanuel Vadot compatible = "led-backlight"; 42c66ec88fSEmmanuel Vadot 43c66ec88fSEmmanuel Vadot leds = <&led1>, <&led2>; 44c66ec88fSEmmanuel Vadot brightness-levels = <0 4 8 16 32 64 128 255>; 45c66ec88fSEmmanuel Vadot default-brightness-level = <6>; 46c66ec88fSEmmanuel Vadot }; 47c66ec88fSEmmanuel Vadot 48c66ec88fSEmmanuel Vadot... 49