Add bindings for DisplayPort aux backlight driver. Changes in v2: - New Signed-off-by: Rajeev Nandan <rajeevny@xxxxxxxxxxxxxx> --- .../bindings/leds/backlight/dp-aux-backlight.yaml | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/backlight/dp-aux-backlight.yaml diff --git a/Documentation/devicetree/bindings/leds/backlight/dp-aux-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/dp-aux-backlight.yaml new file mode 100644 index 00000000..0fa8bf0 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/dp-aux-backlight.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/dp-aux-backlight.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DisplayPort aux backlight driver bindings + +maintainers: + - Rajeev Nandan <rajeevny@xxxxxxxxxxxxxx> + +description: + Backlight driver to control the brightness over DisplayPort aux channel. + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: dp-aux-backlight + + ddc-i2c-bus: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle to the system I2C controller connected to the DDC bus used + for the DisplayPort AUX channel. + + enable-gpios: + maxItems: 1 + description: GPIO specifier for backlight enable pin. + + max-brightness: true + +required: + - compatible + - ddc-i2c-bus + +additionalProperties: false + +examples: + - | + backlight { + compatible = "dp-aux-backlight"; + ddc-i2c-bus = <&sn65dsi86_bridge>; + enable-gpios = <&tlmm 12 GPIO_ACTIVE_HIGH>; + max-brightness = <2047>; + }; + +... -- 2.7.4
