xref: /linux/Documentation/ABI/testing/sysfs-class-power-rt9756 (revision a34b0e4e21d6be3c3d620aa7f9dfbf0e9550c19e)
1What:		/sys/class/power_supply/rt9756-*/watchdog_timer
2Date:		Dec 2025
3KernelVersion:	6.19
4Contact:	ChiYuan Huang <cy_huang@richtek.com>
5Description:
6		This entry shows and sets the watchdog timer when rt9756 charger
7		operates in charging mode. When the timer expires, the device
8		will disable the charging. To prevent the timer expires, any
9		host communication can make the timer restarted.
10
11		Access: Read, Write
12
13		Valid values:
14		- 500, 1000, 5000, 30000, 40000, 80000, 128000 or 255000 (milliseconds),
15		- 0: disabled
16
17What:		/sys/class/power_supply/rt9756-*/operation_mode
18Date:		Dec 2025
19KernelVersion:	6.19
20Contact:	ChiYuan Huang <cy_huang@richtek.com>
21Description:
22		This entry shows and set the operation mode when rt9756 charger
23		operates in charging phase. If 'bypass' mode is used, internal
24		path will connect vbus directly to vbat. Else, default 'div2'
25		mode for the switch-cap charging.
26
27		Access: Read, Write
28
29		Valid values:
30		- 'bypass' or 'div2'
31