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phy: twl4030-usb: add ABI documentation
authorNeilBrown <neilb@suse.de>
Thu, 16 Apr 2015 08:03:04 +0000 (18:03 +1000)
committerKishon Vijay Abraham I <kishon@ti.com>
Mon, 1 Jun 2015 10:38:24 +0000 (16:08 +0530)
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>
Documentation/ABI/testing/sysfs-platform-twl4030-usb [new file with mode: 0644] patch | blob

diff --git a/Documentation/ABI/testing/sysfs-platform-twl4030-usb b/Documentation/ABI/testing/sysfs-platform-twl4030-usb
new file mode 100644 (file)
index 0000000..512c51b
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-twl4030-usb
@@ -0,0 +1,8 @@
+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.