uwb: document UWB and WUSB sysfs files

Add some brief documentation on the UWB and WUSB related sysfs files.

Signed-off-by: David Vrabel <david.vrabel@csr.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index 11a3c1682cec..273a7f099f46 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -85,3 +85,46 @@ Description:
 Users:
                 PowerTOP <power@bughost.org>
                 http://www.lesswatts.org/projects/powertop/
+
+What:           /sys/bus/usb/device/.../authorized
+Date:           July 2008
+KernelVersion:  2.6.26
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                Authorized devices are available for use by device
+                drivers, non-authorized one are not.  By default, wired
+                USB devices are authorized.
+
+                Certified Wireless USB devices are not authorized
+                initially and should be (by writing 1) after the
+                device has been authenticated.
+
+What:           /sys/bus/usb/device/.../wusb_cdid
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                For Certified Wireless USB devices only.
+
+                A devices's CDID, as 16 space-separated hex octets.
+
+What:           /sys/bus/usb/device/.../wusb_ck
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                For Certified Wireless USB devices only.
+
+                Write the device's connection key (CK) to start the
+                authentication of the device.  The CK is 16
+                space-separated hex octets.
+
+What:           /sys/bus/usb/device/.../wusb_disconnect
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                For Certified Wireless USB devices only.
+
+                Write a 1 to force the device to disconnect
+                (equivalent to unplugging a wired USB device).