localhost / # cd /sys/class/i2c-adapter/
localhost i2c-adapter # ls
i2c-1  i2c-2  i2c-3
localhost i2c-adapter # cd i2c-3/
localhost i2c-3 # ls -l
drwxr-xr-x    3 root     root             0 Dec  9 10:05 3-0004
drwxr-xr-x    3 root     root             0 Dec  9 10:05 3-0036
drwxr-xr-x    3 root     root             0 Dec  9 10:05 3-003c
drwxr-xr-x    4 root     root             0 Dec  9 09:19 3-0053
--w-------    1 root     root          4096 Dec  9 10:05 delete_device
lrwxrwxrwx    1 root     root             0 Dec  9 10:05 device -> ../../i2c_omap.3
drwxr-xr-x    3 root     root             0 Dec  9 10:05 i2c-dev
-r--r--r--    1 root     root          4096 Dec  9 10:05 name
--w-------    1 root     root          4096 Dec  9 10:05 new_device
drwxr-xr-x    2 root     root             0 Dec  9 10:05 power
lrwxrwxrwx    1 root     root             0 Dec  9 10:05 subsystem -> ../../../../bus/i2c
-rw-r--r--    1 root     root          4096 Dec  9 10:05 uevent
localhost i2c-3 #