mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
3829a7e360
Add a default trigger optional node to the child node. This will allow the driver to set the trigger for a backlight. Signed-off-by: Dan Murphy <dmurphy@ti.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
46 lines
1.0 KiB
Plaintext
46 lines
1.0 KiB
Plaintext
* Texas Instruments - lp8860 4-Channel LED Driver
|
|
|
|
The LP8860-Q1 is an high-efficiency LED
|
|
driver with boost controller. It has 4 high-precision
|
|
current sinks that can be controlled by a PWM input
|
|
signal, a SPI/I2C master, or both.
|
|
|
|
Required properties:
|
|
- compatible :
|
|
"ti,lp8860"
|
|
- reg : I2C slave address
|
|
- #address-cells : 1
|
|
- #size-cells : 0
|
|
|
|
Optional properties:
|
|
- enable-gpios : gpio pin to enable (active high)/disable the device.
|
|
- vled-supply : LED supply
|
|
|
|
Required child properties:
|
|
- reg : 0
|
|
|
|
Optional child properties:
|
|
- label : see Documentation/devicetree/bindings/leds/common.txt
|
|
- linux,default-trigger :
|
|
see Documentation/devicetree/bindings/leds/common.txt
|
|
|
|
Example:
|
|
|
|
led-controller@2d {
|
|
compatible = "ti,lp8860";
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
reg = <0x2d>;
|
|
enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
|
|
vled-supply = <&vbatt>;
|
|
|
|
led@0 {
|
|
reg = <0>;
|
|
label = "white:backlight";
|
|
linux,default-trigger = "backlight";
|
|
};
|
|
}
|
|
|
|
For more product information please see the link below:
|
|
http://www.ti.com/product/lp8860-q1
|