GPIO input / function analysis

[Werner Almesberger]

Andy Green wrote:
> These are OK.  They are all set for OUTPUT 0.  GPA[] is different from
> the others in that they cannot be configured for GPIO input.

Oh, right, silly me.

>> H9	TP-1532
> 
> This is set for CLKOUT0, it's ok.

I have to check my dump again. I thought it was an input at least when
not in suspend. If it's outputting a clock (in non-suspend), we probably
want to turn this off as well.

- Werner