Some silicons of Freescale processor are the same RapidIO controller,
such as mpc8540/mpc8560 are the same (v0.0), mpc8548/mpc8641 are the
same (v1.0). For v1.0 RapidIO controller, should we use mpc8548 or
mpc8641? Those will make people confused.
Not at all. On an 8641 it could be
compatible = "fsl,mpc8641-rapidio" "fsl,mpc8548-rapidio";
which states "this is the 8641 thing and it is compatible
to the 8548 thing". Perfectly clear.
The concern is this isn't just compatible = "..8641.." "..8548.." but
something like:
"..8641.." "..8641d.." "..8548.." "..8548e.." "..8543.." "..8543e.."
"..8572.." "..8572e.." "..8567.." "..8567e.." "..8568.." "..8568e.."
Using IP Block Revision is a
clear choice.
I don't think so. For one thing, it describes a version of
a cell design, not a version of an actual device. For another
thing, if I hear "8641" I know what you're talking about (sort
of, anyway), but I draw a blank stare if you say "v1.0". I'm
sure I'm not the only one. Concrete names are good.
While I agree concrete names are good, we put these 'blocks' in so
many devices that using the device to match on is pointless.
I'm all for making up a name like 'Grande', 'Del', 'Janeiro'. This
is effective what we did with gianfar. The name gets picked up
pretty quickly by people.
- k
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