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diff --git a/Documentation/ABI/testing/sysfs-c2port b/Documentation/ABI/testing/sysfs-c2port
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+What:           /sys/class/c2port/
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/ directory will contain files and
+                directories that will provide a unified interface to
+                the C2 port interface.
+
+What:           /sys/class/c2port/c2portX
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/ directory is related to X-th
+                C2 port into the system. Each directory will contain files to
+                manage and control its C2 port.
+
+What:           /sys/class/c2port/c2portX/access
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/access file enable the access
+                to the C2 port from the system. No commands can be sent
+                till this entry is set to 0.
+
+What:           /sys/class/c2port/c2portX/dev_id
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/dev_id file show the device ID
+                of the connected micro.
+
+What:           /sys/class/c2port/c2portX/flash_access
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/flash_access file enable the
+                access to the on-board flash of the connected micro.
+                No commands can be sent till this entry is set to 0.
+
+What:           /sys/class/c2port/c2portX/flash_block_size
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/flash_block_size file show
+                the on-board flash block size of the connected micro.
+
+What:           /sys/class/c2port/c2portX/flash_blocks_num
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/flash_blocks_num file show
+                the on-board flash blocks number of the connected micro.
+
+What:           /sys/class/c2port/c2portX/flash_data
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/flash_data file export
+                the content of the on-board flash of the connected micro.
+
+What:           /sys/class/c2port/c2portX/flash_erase
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/flash_erase file execute
+                the "erase" command on the on-board flash of the connected
+                micro.
+
+What:           /sys/class/c2port/c2portX/flash_erase
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/flash_erase file show the
+                on-board flash size of the connected micro.
+
+What:           /sys/class/c2port/c2portX/reset
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/reset file execute a "reset"
+                command on the connected micro.
+
+What:           /sys/class/c2port/c2portX/rev_id
+Date:           October 2008
+Contact:        Rodolfo Giometti <giometti@linux.it>
+Description:
+                The /sys/class/c2port/c2portX/rev_id file show the revision ID
+                of the connected micro.