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