Let's use a common.yaml include for the backlight like we do with the LEDs. The LEDs are inherently incompatible so their bindings cannot be reused for backlight. Cc: devicetree@xxxxxxxxxxxxxxx Suggested-by: Sam Ravnborg <sam@xxxxxxxxxxxx> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- ChangeLog v2->v3: - Drop the | for the description - Drop the "default-on" property, we're not using it. - Drop the minimum 0 for unsigned u32:s ChangeLog v1->v2: - New patch as suggested by Sam. --- .../bindings/leds/backlight/common.yaml | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/backlight/common.yaml diff --git a/Documentation/devicetree/bindings/leds/backlight/common.yaml b/Documentation/devicetree/bindings/leds/backlight/common.yaml new file mode 100644 index 000000000000..4e7e95e331a5 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/common.yaml @@ -0,0 +1,34 @@ +# 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.jones@xxxxxxxxxx> + - Daniel Thompson <daniel.thompson@xxxxxxxxxx> + - Jingoo Han <jingoohan1@xxxxxxxxx> + +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 -- 2.26.2
