Hello,

> >Not yet, there should be a fan0 at ki2c0 blah...
> >But I didn't write the driver / attachment glue yet, only the uni_n driver
> >which doesn't do a lot besides attaching and looking for children, so far
> >ki2c just sits there doing nothing.
> 
> I misread the tree. I thought the fan was right under uni-north, instead of
> under i2c.

For your enjoyment:
cpu0 at mainbus0: 7455 (Revision 3.3), ID 0 (primary)
cpu0: HID0 8450c0bc<EMCP,TBEN,NAP,DPM,ICE,DCE,SGE,BTIC,LRSTK,FOLD,BHT>
cpu0: 614.39 MHz, 256KB L2 cache
uni_n0 at mainbus0
uni_n0: node ff95b408
hw-clock at uni_n0 not configured
ki2c0 at uni_n0 offset 0xf8001000
fan at ki2c0 offset 0x15c not configured
i2c-hwclock at ki2c0 offset 0x1d2 not configured
cereal at ki2c0 offset 0x1c0 not configured
...
ki2c1 at obio0
cereal at ki2c1 offset 0x1c0 not configured
deq at ki2c1 offset 0x6a not configured
i2c-modem at ki2c1 not configured

have fun
Michael