This is the Linux version of the FTDI USB Linux connector. If you are looking for a Windows version then look here and also here for more information. This Linux driver was released in 2012 and was the last Linux driver released for this hardware.
1. tar xfvz libftd2xx1.1.12.tar.gz
This unpacks the archive, creating the following directory structure:
2. cd build/arm926
3. sudo -s
or, if sudo is not available on your system:
Promotes you to super-user, with installation privileges. If you’re
already root, then step 3 (and step 7) is not necessary.
4. cp lib* /usr/local/lib
Copies the libraries to a central location.
5. chmod 0755 /usr/local/lib/libftd2xx.so.1.1.12
Allows non-root access to the shared object.
6. ln -sf /usr/local/lib/libftd2xx.so.1.1.12 /usr/local/lib/libftd2xx.so
Creates a symbolic link to the 1.1.12 version of the shared object.
Ends your super-user session.