xref: /openbmc/linux/Documentation/ABI/testing/sysfs-class-power-twl4030 (revision cdd38c5f1ce4398ec58fec95904b75824daab7b5)
1 What: /sys/class/power_supply/twl4030_usb/mode
2 Description:
3 	Changing mode for USB port.
4 	Writing to this can disable charging.
5 
6 	Possible values are:
7 
8 		=============	===========================================
9 		"auto"		draw power as appropriate for detected
10 				power source and battery status.
11 		"off"		do not draw any power.
12 		"continuous"	activate mode described as "linear" in
13 				TWL data sheets.  This uses whatever
14 				current is available and doesn't switch off
15 				when voltage drops.
16 
17 				This is useful for unstable power sources
18 				such as bicycle dynamo, but care should
19 				be taken that battery is not over-charged.
20 		=============	===========================================
21 
22 What: /sys/class/power_supply/twl4030_ac/mode
23 Description:
24 	Changing mode for 'ac' port.
25 	Writing to this can disable charging.
26 
27 	Possible values are:
28 
29 		======	===========================================
30 		"auto"	draw power as appropriate for detected
31 			power source and battery status.
32 		"off"	do not draw any power.
33 		======	===========================================
34