# cat /sys/bus/i2c/devices/i2c-
i2c-0/          i2c-1/          i2c-2/          i2c-3/          i2c-4/          i2c-5/          i2c-6/
# cat /sys/bus/i2c/devices/i2c-0/name
Synopsys DesignWare I2C adapter
# cat /sys/bus/i2c/devices/i2c-1/name
i915 gmbus vga
# cat /sys/bus/i2c/devices/i2c-2/name
i915 gmbus dpc
# cat /sys/bus/i2c/devices/i2c-3/name
i915 gmbus dpb
# cat /sys/bus/i2c/devices/i2c-4/name
i915 gmbus dpd
# cat /sys/bus/i2c/devices/i2c-5/name
DPDDC-A
# cat /sys/bus/i2c/devices/i2c-6/name
SMBus I801 adapter at 4040
# cat /sys/bus/i2c/devices/i2c-SYN1B7F\:00/name
SYN1B7F:00