Commit 1cda3779 authored by ChiYuan Huang's avatar ChiYuan Huang Committed by Sebastian Reichel
Browse files

Documentation: power: rt9756: Document exported sysfs entries 



Document the settings exported by rt9756 charger driver through sysfs
entries:

- watchdog_timer
- operation_mode

Signed-off-by: default avatarChiYuan Huang <cy_huang@richtek.com>
Link: https://patch.msgid.link/5138d4aa760d6ff81a5296cdf010a447056abce4.1761894605.git.cy_huang@richtek.com


Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent b6f0796d

Documentation/ABI/testing/sysfs-class-power-rt9756

0 → 100644
+30 −0
Original line number Diff line number Diff line 
What:		/sys/class/power_supply/rt9756-*/watchdog_timer

Date:		Dec 2025

KernelVersion:	6.19

Contact:	ChiYuan Huang <cy_huang@richtek.com>

Description:

		This entry shows and sets the watchdog timer when rt9756 charger

		operates in charging mode. When the timer expires, the device

		will disable the charging. To prevent the timer expires, any

		host communication can make the timer restarted.



		Access: Read, Write



		Valid values:

		- 500, 1000, 5000, 30000, 40000, 80000, 128000 or 255000 (milliseconds),

		- 0: disabled



What:		/sys/class/power_supply/rt9756-*/operation_mode

Date:		Dec 2025

KernelVersion:	6.19

Contact:	ChiYuan Huang <cy_huang@richtek.com>

Description:

		This entry shows and set the operation mode when rt9756 charger

		operates in charging phase. If 'bypass' mode is used, internal

		path will connect vbus directly to vbat. Else, default 'div2'

		mode for the switch-cap charging.



		Access: Read, Write



		Valid values:

		- 'bypass' or 'div2'