xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunBinding for ArcticSand arc2c0608 LED driver
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible:		should be "arc,arc2c0608"
5*4882a593Smuzhiyun- reg:			slave address
6*4882a593Smuzhiyun
7*4882a593SmuzhiyunOptional properties:
8*4882a593Smuzhiyun- default-brightness:	brightness value on boot, value from: 0-4095
9*4882a593Smuzhiyun- label:		The name of the backlight device
10*4882a593Smuzhiyun			See Documentation/devicetree/bindings/leds/common.txt
11*4882a593Smuzhiyun- led-sources:		List of enabled channels from 0 to 5.
12*4882a593Smuzhiyun			See Documentation/devicetree/bindings/leds/common.txt
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun- arc,led-config-0:	setting for register ILED_CONFIG_0
15*4882a593Smuzhiyun- arc,led-config-1:	setting for register ILED_CONFIG_1
16*4882a593Smuzhiyun- arc,dim-freq:		PWM mode frequence setting (bits [3:0] used)
17*4882a593Smuzhiyun- arc,comp-config:	setting for register CONFIG_COMP
18*4882a593Smuzhiyun- arc,filter-config:	setting for register FILTER_CONFIG
19*4882a593Smuzhiyun- arc,trim-config:	setting for register IMAXTUNE
20*4882a593Smuzhiyun
21*4882a593SmuzhiyunNote: Optional properties not specified will default to values in IC EPROM
22*4882a593Smuzhiyun
23*4882a593SmuzhiyunExample:
24*4882a593Smuzhiyun
25*4882a593Smuzhiyunarc2c0608@30 {
26*4882a593Smuzhiyun	compatible = "arc,arc2c0608";
27*4882a593Smuzhiyun	reg = <0x30>;
28*4882a593Smuzhiyun	default-brightness = <500>;
29*4882a593Smuzhiyun	label = "lcd-backlight";
30*4882a593Smuzhiyun	linux,default-trigger = "backlight";
31*4882a593Smuzhiyun	led-sources = <0 1 2 5>;
32*4882a593Smuzhiyun};
33*4882a593Smuzhiyun
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