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