GPIO - marking individual pins (not) available in device tree

[Mitch Bradley]

>
> No, no, no, no, no.  Making complex multi-level representations of
> nested things for gpios is just insanity. 


You know, I don't find this "argument" particularly compelling.  But it 
certainly is strongly worded.

>  Just use the same encoded
> format as we already use for gpio descriptors in 'gpios' properties
> (which is gpio controller specific, with length defined by
> #gpio-cells).

http://en.wikipedia.org/wiki/Proof_by_assertion