If you are using the newest FX3 chips, it comes with linux driver.

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From: [log in to unmask] [[log in to unmask]] on behalf of Javier R. Villazón T. [[log in to unmask]]
Sent: Wednesday, January 15, 2014 6:20 PM
To: [log in to unmask]
Subject: USB driver in SL

Hi all

I want to develop a USB driver for Cypress chips in SL.
would you please point out a tutorial or any other resource to start with?

Thank you in advance

        Javi