| 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' |