xref: /freebsd/sys/contrib/device-tree/Bindings/leds/backlight/arcxcnn_bl.txt (revision 924226fba12cc9a228c73b956e1b7fa24c60b055)
1Binding for ArcticSand arc2c0608 LED driver
2
3Required properties:
4- compatible:		should be "arc,arc2c0608"
5- reg:			slave address
6
7Optional properties:
8- default-brightness:	brightness value on boot, value from: 0-4095
9- label:		The name of the backlight device
10			See Documentation/devicetree/bindings/leds/common.txt
11- led-sources:		List of enabled channels from 0 to 5.
12			See Documentation/devicetree/bindings/leds/common.txt
13
14- arc,led-config-0:	setting for register ILED_CONFIG_0
15- arc,led-config-1:	setting for register ILED_CONFIG_1
16- arc,dim-freq:		PWM mode frequence setting (bits [3:0] used)
17- arc,comp-config:	setting for register CONFIG_COMP
18- arc,filter-config:	setting for register FILTER_CONFIG
19- arc,trim-config:	setting for register IMAXTUNE
20
21Note: Optional properties not specified will default to values in IC EPROM
22
23Example:
24
25arc2c0608@30 {
26	compatible = "arc,arc2c0608";
27	reg = <0x30>;
28	default-brightness = <500>;
29	label = "lcd-backlight";
30	linux,default-trigger = "backlight";
31	led-sources = <0 1 2 5>;
32};
33
34