linux/Documentation/ABI/testing/sysfs-platform-twl4030-usb
NeilBrown 692fbb89fa phy: twl4030-usb: add ABI documentation
This driver device one local attribute: vbus.
Describe that in Documentation/ABI/testing/sysfs-platform/twl4030-usb.

Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-06-01 16:08:24 +05:30

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What: /sys/bus/platform/devices/*twl4030-usb/vbus
Description:
Read-only status reporting if VBUS (approx 5V)
is being supplied by the USB bus.
Possible values: "on", "off".
Changes are notified via select/poll.