[mc1322x] USB ID

[Jon Smirl]

FTDI will give you free unique ids for the ft232r chip.

The internal EEPROM in the FT232R can be programmed over USB using the
FTDI utility program MPROG.
MPROG can be downloaded from FTDI Utilities on the FTDI website
(www.ftdichip.com). Version 2.8a or
later is required for the FT232R chip. Users who do not have their own
USB Vendor ID but who would like
to use a unique Product ID in their design can apply to FTDI for a
free block of unique PIDs. Contact FTDI
support for this service

Putting a unique ID in the chip will make it possible for it to
automatically trigger loading of the internal Linux 802154 serial
support instead of the normal serial port driver.

One ID for each purpose. one for 802154 serial, one if you implement
CDC Ethernet, etc. It might be possible to do multiple roles with
Alt-interfaces and a single ID, but I haven't tried.

-- 
Jon Smirl
jonsmirl at gmail.com