The drivers are not in the current version of Raspbian, so you have to do an update. The next .img of Raspbian that is realest will have it installed. However you still need to enable it.
For now…on any image, all you need to do is;
1)’sudo rpi-update’ Get the latest firmware
You need to calibrate the touchscreen, that image should have the calibration software already installed.
Deleting the old calibration data will force the calibration project to run just before X starts
sudo rm /etc/pointercal.xinput
Mark --OzzMaker.com --