
Loading i2c drivers
==================

modprobe	i2c-core
modprobe	i2c-i801
modprobe	i2c-dev

Useful utilities:
==================

i2cdetect 0
 scans i2c bus 0 and lists addresses of devices found on bus 0

i2cdump 0 dev_addr b	
 reads/displays all registers in device at dev_adr... ex:
	i2cdump 0 0x2c b

i2cset bus dev_addr reg value
 writes <value> to <reg> in device @ <dev_addr>...ex:
	i2cset 0 0x2c 0x3D 00
	      write 00 to reg=0x3D in device @ addr=0x2c on i2c bus 0
	      > this will produce an error since reg 0x3D is read-only
	i2cset 0 0x2c 0x47 0x55
	      write 0x55 to reg=0x3D in device @ addr=0x2c on i2c bus 0
	      > this will work since reg 0x47 is a read/write register

Useful documents:
=================
Heceta 6 system monitor chip used on Petoski CRB is a ANALOG DEVICES part.
See datasheet for ADM1027 (available from www.analog.com) for register details.

