linux-loongson/Documentation/devicetree/bindings/leds/backlight/led-backlight.yaml
Flavio Suligoi d5272d3999 dt-bindings: backlight: Add brightness-levels related common properties
Both files pwm-backlight.yaml and led-backlight.yaml contain properties
in common with each other, regarding the brightness levels:

- brightness-levels
- default-brightness-level

These properties can then be moved to backlight/common.yaml.

Signed-off-by: Flavio Suligoi <f.suligoi@asem.it>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231016150554.27144-1-f.suligoi@asem.it
Signed-off-by: Lee Jones <lee@kernel.org>
2023-10-19 13:27:36 +01:00

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YAML

# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: led-backlight
maintainers:
- Lee Jones <lee@kernel.org>
- Daniel Thompson <daniel.thompson@linaro.org>
- Jingoo Han <jingoohan1@gmail.com>
description:
This binding is used to describe a basic backlight device made of LEDs. It
can also be used to describe a backlight device controlled by the output of
a LED driver.
allOf:
- $ref: common.yaml#
properties:
compatible:
const: led-backlight
leds:
description: A list of LED nodes
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
maxItems: 1
required:
- compatible
- leds
unevaluatedProperties: false
examples:
- |
backlight {
compatible = "led-backlight";
leds = <&led1>, <&led2>;
brightness-levels = <0 4 8 16 32 64 128 255>;
default-brightness-level = <6>;
};
...