I have a need to disable communications on the mini-jack USB port on the 
BBB.   We've had some folks actually epoxy the port to make sure no one 
could use it (a security thing).  However, I'd like to just disable it 
through software.  Note, I still need to use the full sized USB port for 
other things so disabling all USB activity isn't an option.

Possible approaches:

1. Disable serial port and networking comms through this port -- HOW?
2. Disable the hardware port altogether (best option)  -- HOW?

FYI -- I'd like to build a feature to allow one to programmatically select 
to enable or disable the port, so continuing to fill the port with JB Weld 
isn't going to work.

Thanks!
Bryan

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