Keypad usage on i.MX27
The i.MX27 has an internal controller that can drive 8x8 keypads (= 64 keys with 16 dedicated pins). Please consult the i.MX27 Reference Manual (Chapter 25) for more informations.
To build matrix keypads: TBDL...
Driver is installed by default in releases > 3.2. If you have a previous release please consult the discussion tab of this page
# modprobe mxc_keypad