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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common backlight properties
+
+maintainers:
+ - Lee Jones <lee@kernel.org>
+ - Daniel Thompson <daniel.thompson@linaro.org>
+ - Jingoo Han <jingoohan1@gmail.com>
+
+description:
+ Backlight devices provide backlight for different types of graphical
+ displays. They are typically but not necessarily implemented using a white
+ LED powered by a boost converter.
+
+properties:
+ default-brightness:
+ description:
+ The default brightness that should be applied to the LED by the operating
+ system on start-up. The brightness should not exceed the brightness the
+ LED can provide.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+ max-brightness:
+ description:
+ Normally the maximum brightness is determined by the hardware and this
+ property is not required. This property is used to put a software limit
+ on the brightness apart from what the driver says, as it could happen
+ that a LED can be made so bright that it gets damaged or causes damage
+ due to restrictions in a specific system, such as mounting conditions.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+additionalProperties: true