diff options
| author | ChiYuan Huang <cy_huang@richtek.com> | 2023-01-13 14:17:46 +0800 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2023-02-03 14:39:20 +0100 |
| commit | ab8174bbc39669321b25a0fbeef630fdbe1b8ffe (patch) | |
| tree | 269c88fca3725df00703ac7b326e52f6c5abd8be /Documentation/ABI | |
| parent | 4a1a5f6781d8a25f5b1d421bdd4285ee3633b1fe (diff) | |
Documentation: power: rt9471: Document exported sysfs entries
Document the settings exported by rt9471 charger driver through sysfs entries:
- sysoff_enable
- port_detect_enable
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
[update kernel version and date]
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power-rt9471 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power-rt9471 b/Documentation/ABI/testing/sysfs-class-power-rt9471 new file mode 100644 index 000000000000..0a390ee5ac21 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power-rt9471 @@ -0,0 +1,32 @@ +What: /sys/class/power_supply/rt9471-*/sysoff_enable +Date: Feb 2023 +KernelVersion: 6.3 +Contact: ChiYuan Huang <cy_huang@richtek.com> +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. After entering + shipping mode, only 'VBUS' or 'Power key" pressed can make it leave this + mode. 'Disable' also can help to leave it, but it's more like to abort + the action before the device really enter shipping mode. + + Access: Read, Write + Valid values: + - 1: enabled + - 0: disabled + +What: /sys/class/power_supply/rt9471-*/port_detect_enable +Date: Feb 2023 +KernelVersion: 6.3 +Contact: ChiYuan Huang <cy_huang@richtek.com> +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 |