From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> Document the settings exported by rt9759 charger driver through sysfs entries: - watchdog_timer - battery_voltage - battery_current Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-class-power-rt9759 | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-power-rt9759 diff --git a/Documentation/ABI/testing/sysfs-class-power-rt9759 b/Documentation/ABI/testing/sysfs-class-power-rt9759 new file mode 100644 index 00000000..7657419 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power-rt9759 @@ -0,0 +1,37 @@ +What: /sys/class/power_supply/rt9759-*/watchdog_timer +Date: Oct 2022 +KernelVersion: 6.1 +Contact: ChiYuan Huang <cy_huang@xxxxxxxxxxx> +Description: + This entry shows and sets the watchdog timer when rt9759 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 or 30000 (milliseconds), + - 0: disabled + +What: /sys/class/power_supply/rt9759-*/battery_voltage +Date: Oct 2022 +KernelVersion: 6.1 +Contact: ChiYuan Huang <cy_huang@xxxxxxxxxxx> +Description: + Reports the current BAT voltage. + + Access: Read-Only + + Valid values: Represented in microvolts + +What: /sys/class/power_supply/rt9759-*/battery_current +Date: Oct 2022 +KernelVersion: 6.1 +Contact: ChiYuan Huang <cy_huang@xxxxxxxxxxx> +Description: + Reports the current BAT current. + + Access: Read-Only + + Valid values: Represented in microamps -- 2.7.4
