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: ChiYuan Huang <cy_huang@richtek.com>
Link: https://patch.msgid.link/5138d4aa760d6ff81a5296cdf010a447056abce4.1761894605.git.cy_huang@richtek.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
ChiYuan Huang 2025-10-31 15:19:35 +08:00 • committed by Sebastian Reichel
commit 1cda377985