Staging: add TODO and ABI to ti-st

A TODO file and a ABI to list the things to be done,
and user-space/kernel-space interface for this ldisc.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/ti-st/TODO

@@ -0,0 +1,19 @@
+TODO:
+
+1. A per-device/tty port context required to support multiple devices
+on same platform.
+
+2. REMOVE the sysfs entry PID passing mechanism, since there should
+be a better way to request user-space to install line discipline.
+
+3. Re-view/Re-work on the locking.
+
+4. Re-structure to make the ldisc driver more generic for chipsets which mux
+multiple connectivity (BT, FM, GPS) upon 1 TTY port.
+
+5. Step up and maintain this driver to ensure that it continues
+to work.  Having the hardware for this is pretty much a
+requirement.  If this does not happen, the will be removed in
+the 2.6.35 kernel release.
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com>.

drivers/staging/ti-st/sysfs-uim

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+What:           /sys/class/rfkill/rfkill%d/
+Date:           March 22
+Contact:        Pavan Savoy <pavan_savoy@ti.com>
+Description:
+		Creates the rfkill entries for Radio apps like
+		BT app, FM app or GPS app to toggle corresponding
+		cores of the chip
+
+What:           /dev/rfkill
+Date:           March 22
+Contact:        Pavan Savoy <pavan_savoy@ti.com>
+Description:
+		A daemon which maintains the ldisc installation and
+		uninstallation would be ppolling on this device and listening
+		on events which would suggest either to install or un-install
+		line discipline