The WIFI option on the board also includes a bluetooth 4.0 LE module. To connect this to bluez first pulse the BT_EN pin, and then call hciattach:
echo 237 > /sys/class/gpio/export echo low > /sys/class/gpio/gpio237/direction echo high > /sys/class/gpio/gpio237/direction sleep .1 hciattach /dev/ttyAPP0 texas 115200 hciconfig hci0 up
Once this is loaded you can scan for devices with:
This will return a list of devices such as:
14:74:11:A1:1E:C9 BlackBerry 8530
Bluez has support for many different profiles for HID, A2DP, and many more. Refer to the Bluez documentation for more information.
Please note that the Bluetooth module requires the modem control lines CTS and RTS as flow control.