| 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' |