From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> Document the settings exported by rt9471 charger driver through sysfs entries: - sysoff_enable - port_detect_enable Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> --- Since v5: - Recover all the change in sysfs-class-power. - New a sysfs-class-power-rt9471 file. - Remove 'charge_term_enable' sysfs entry, directly integrate it in 'charge_term_current' power supply property control. --- Documentation/ABI/testing/sysfs-class-power-rt9471 | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-power-rt9471 diff --git a/Documentation/ABI/testing/sysfs-class-power-rt9471 b/Documentation/ABI/testing/sysfs-class-power-rt9471 new file mode 100644 index 00000000..ad5b049 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power-rt9471 @@ -0,0 +1,29 @@ +What: /sys/class/power_supply/rt9471-*/sysoff_enable +Date: Oct 2022 +KernelVersion: 6.1 +Contact: ChiYuan Huang <cy_huang@xxxxxxxxxxx> +Description: + This entry allows enabling the sysoff mode of rt9471 charger devices. + If enabled and the input is removed, the internal battery FET is turned + off to reduce the leakage from the BAT pin. See device datasheet for details. + It's commonly used when the product enter shipping stage. + + Access: Read, Write + Valid values: + - 1: enabled + - 0: disabled + +What: /sys/class/power_supply/rt9471-*/port_detect_enable +Date: Oct 2022 +KernelVersion: 6.1 +Contact: ChiYuan Huang <cy_huang@xxxxxxxxxxx> +Description: + This entry allows enabling the USB BC12 port detect function of rt9471 charger + devices. If enabled and VBUS is inserted, device will start to do the BC12 + port detect and report the usb port type when port detect is done. See + datasheet for details. Normally controlled when TypeC/USBPD port integrated. + + Access: Read, Write + Valid values: + - 1: enabled + - 0: disabled -- 2.7.4
