> mkdir /sys > mount -t sysfs sysfs sys
> more /sys/bus/spi/device/spi32766.0/eeprom | od -x
> echo 0123456789DEADBEEFCAFE > /sys/bus/spi/devices/spi32766.0/eeprom
> mkdir /sys > mount -t sysfs sysfs sys
> more /sys/bus/spi/device/spi32766.0/eeprom | od -x
> echo 0123456789DEADBEEFCAFE > /sys/bus/spi/devices/spi32766.0/eeprom