Our support is limited to the PSoC 4 BLE and we do not offer support on Programming the Bluetooth driver of linux systems.
- Madhu Sudhan
There are many BLE USB dongles out there, most should work with Linux. On the software side, you need to use a current BlueZ stack (version 5 or higher). Google will give you some more help, e.g. http://www.elinux.org/RPi_Bluetooth_LE