1 What: /sys/class/power_supply/rt9471 1 What: /sys/class/power_supply/rt9471-*/sysoff_enable
2 Date: Feb 2023 2 Date: Feb 2023
3 KernelVersion: 6.3 3 KernelVersion: 6.3
4 Contact: ChiYuan Huang <cy_huang@richtek 4 Contact: ChiYuan Huang <cy_huang@richtek.com>
5 Description: 5 Description:
6 This entry allows enabling the 6 This entry allows enabling the sysoff mode of rt9471 charger devices.
7 If enabled and the input is re 7 If enabled and the input is removed, the internal battery FET is turned
8 off to reduce the leakage from 8 off to reduce the leakage from the BAT pin. See device datasheet for details.
9 It's commonly used when the pr 9 It's commonly used when the product enter shipping stage. After entering
10 shipping mode, only 'VBUS' or 10 shipping mode, only 'VBUS' or 'Power key" pressed can make it leave this
11 mode. 'Disable' also can help 11 mode. 'Disable' also can help to leave it, but it's more like to abort
12 the action before the device r 12 the action before the device really enter shipping mode.
13 13
14 Access: Read, Write 14 Access: Read, Write
15 Valid values: 15 Valid values:
16 - 1: enabled 16 - 1: enabled
17 - 0: disabled 17 - 0: disabled
18 18
19 What: /sys/class/power_supply/rt9471 19 What: /sys/class/power_supply/rt9471-*/port_detect_enable
20 Date: Feb 2023 20 Date: Feb 2023
21 KernelVersion: 6.3 21 KernelVersion: 6.3
22 Contact: ChiYuan Huang <cy_huang@richtek 22 Contact: ChiYuan Huang <cy_huang@richtek.com>
23 Description: 23 Description:
24 This entry allows enabling the 24 This entry allows enabling the USB BC12 port detect function of rt9471 charger
25 devices. If enabled and VBUS i 25 devices. If enabled and VBUS is inserted, device will start to do the BC12
26 port detect and report the usb 26 port detect and report the usb port type when port detect is done. See
27 datasheet for details. Normall 27 datasheet for details. Normally controlled when TypeC/USBPD port integrated.
28 28
29 Access: Read, Write 29 Access: Read, Write
30 Valid values: 30 Valid values:
31 - 1: enabled 31 - 1: enabled
32 - 0: disabled 32 - 0: disabled
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