0001 Binding for ArcticSand arc2c0608 LED driver
0002
0003 Required properties:
0004 - compatible: should be "arc,arc2c0608"
0005 - reg: slave address
0006
0007 Optional properties:
0008 - default-brightness: brightness value on boot, value from: 0-4095
0009 - label: The name of the backlight device
0010 See Documentation/devicetree/bindings/leds/common.txt
0011 - led-sources: List of enabled channels from 0 to 5.
0012 See Documentation/devicetree/bindings/leds/common.txt
0013
0014 - arc,led-config-0: setting for register ILED_CONFIG_0
0015 - arc,led-config-1: setting for register ILED_CONFIG_1
0016 - arc,dim-freq: PWM mode frequence setting (bits [3:0] used)
0017 - arc,comp-config: setting for register CONFIG_COMP
0018 - arc,filter-config: setting for register FILTER_CONFIG
0019 - arc,trim-config: setting for register IMAXTUNE
0020
0021 Note: Optional properties not specified will default to values in IC EPROM
0022
0023 Example:
0024
0025 arc2c0608@30 {
0026 compatible = "arc,arc2c0608";
0027 reg = <0x30>;
0028 default-brightness = <500>;
0029 label = "lcd-backlight";
0030 linux,default-trigger = "backlight";
0031 led-sources = <0 1 2 5>;
0032 };
0033