1*1cda3779SChiYuan HuangWhat: /sys/class/power_supply/rt9756-*/watchdog_timer 2*1cda3779SChiYuan HuangDate: Dec 2025 3*1cda3779SChiYuan HuangKernelVersion: 6.19 4*1cda3779SChiYuan HuangContact: ChiYuan Huang <cy_huang@richtek.com> 5*1cda3779SChiYuan HuangDescription: 6*1cda3779SChiYuan Huang This entry shows and sets the watchdog timer when rt9756 charger 7*1cda3779SChiYuan Huang operates in charging mode. When the timer expires, the device 8*1cda3779SChiYuan Huang will disable the charging. To prevent the timer expires, any 9*1cda3779SChiYuan Huang host communication can make the timer restarted. 10*1cda3779SChiYuan Huang 11*1cda3779SChiYuan Huang Access: Read, Write 12*1cda3779SChiYuan Huang 13*1cda3779SChiYuan Huang Valid values: 14*1cda3779SChiYuan Huang - 500, 1000, 5000, 30000, 40000, 80000, 128000 or 255000 (milliseconds), 15*1cda3779SChiYuan Huang - 0: disabled 16*1cda3779SChiYuan Huang 17*1cda3779SChiYuan HuangWhat: /sys/class/power_supply/rt9756-*/operation_mode 18*1cda3779SChiYuan HuangDate: Dec 2025 19*1cda3779SChiYuan HuangKernelVersion: 6.19 20*1cda3779SChiYuan HuangContact: ChiYuan Huang <cy_huang@richtek.com> 21*1cda3779SChiYuan HuangDescription: 22*1cda3779SChiYuan Huang This entry shows and set the operation mode when rt9756 charger 23*1cda3779SChiYuan Huang operates in charging phase. If 'bypass' mode is used, internal 24*1cda3779SChiYuan Huang path will connect vbus directly to vbat. Else, default 'div2' 25*1cda3779SChiYuan Huang mode for the switch-cap charging. 26*1cda3779SChiYuan Huang 27*1cda3779SChiYuan Huang Access: Read, Write 28*1cda3779SChiYuan Huang 29*1cda3779SChiYuan Huang Valid values: 30*1cda3779SChiYuan Huang - 'bypass' or 'div2' 31