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 v1->v2: - New patch as suggested by Sam. --- .../bindings/leds/backlight/common.yaml | 42 +++++++++++++++++++ 1 file changed, 42 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..8ae7e3818b0d --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/common.yaml @@ -0,0 +1,42 @@ +# 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 necessarilt implemented using a white + LED powered by a boost converter. + +properties: + default-on: + description: + The initial state of the backlight can be set to be on with this + property. This is a state applied by the operating system so that the + backlight is always turned on at boot. + + 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 + minimum: 0 + + 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 + minimum: 0 -- 2.26.2
