Bluetooh dongle connected to USB. need virtual serial port name like /dev/tty*

Hi, I’m trying to connect Bluetooth dongle its connected to bbb USB port and its on hci0 but I want to learn its virtual serial port like /dev/tty* (Note: ls /dev/tty* controlled before and after connecting but didnt change). How can I learn or configure?

board: beaglebone black
OS: Ubuntu
Bluetooth device: platoons bluetooth usb dongle

dmesg gives

gadget: acm ttyGS0 req21.22 v0003 i0002 l0
[ 14.788714] init: plymouth-stop pre-start process (763) terminated with status 1
[ 15.160791] gadget: sending command-failure status
[ 15.961315] usb0: eth_open
[ 15.961363] usb0: eth_start
[ 15.961924] gadget: rndis_open
[ 15.961962] rndis_set_param_medium: 0 4259840
[ 34.066968] gadget: acm ttyGS0 req21.22 v0000 i0002 l0
[ 34.075589] gadget: acm ttyGS0 req21.22 v0003 i0002 l0
[ 34.075909] gadget: acm ttyGS0 req21.22 v0002 i0002 l0
[ 34.176578] gadget: acm ttyGS0 req21.22 v0003 i0002 l0
[ 53.975131] gadget: acm ttyGS0 req21.22 v0000 i0002 l0
[ 103.306536] usb usb1: usb wakeup-resume
[ 103.306636] usb usb1: usb auto-resume
[ 103.306691] hub 1-0:1.0: hub_resume
[ 103.306796] hub 1-0:1.0: port 1: status 0101 change 0001
[ 103.410178] hub 1-0:1.0: state 7 ports 1 chg 0002 evt 0000
[ 103.410373] hub 1-0:1.0: port 1, status 0101, change 0000, 12 Mb/s
[ 103.515557] usb 1-1: new full-speed USB device number 2 using musb-hdrc
[ 103.636595] usb 1-1: udev 2, busnum 1, minor = 1
[ 103.636647] usb 1-1: New USB device found, idVendor=0a12, idProduct=0001
[ 103.636686] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 103.640652] usb 1-1: usb_probe_device
[ 103.640715] usb 1-1: configuration #1 chosen from 1 choice
[ 103.642619] usb 1-1: adding 1-1:1.0 (config #1, interface 0)
[ 103.643892] usb 1-1: adding 1-1:1.1 (config #1, interface 1)
[ 103.650702] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002
[ 103.650823] hub 1-0:1.0: port 1 enable change, status 00000103
[ 103.841287] Bluetooth: Core ver 2.16
[ 103.841777] NET: Registered protocol family 31
[ 103.841809] Bluetooth: HCI device and connection manager initialized
[ 103.854417] Bluetooth: HCI socket layer initialized
[ 103.854501] Bluetooth: L2CAP socket layer initialized
[ 103.854652] Bluetooth: SCO socket layer initialized
[ 103.882578] btusb 1-1:1.0: usb_probe_interface
[ 103.882820] btusb 1-1:1.0: usb_probe_interface - got id
[ 103.899845] usbcore: registered new interface driver btusb
[ 105.939306] Bluetooth: hci0 command 0x0c05 tx timeout
[ 107.947139] Bluetooth: hci0 command 0x0c16 tx timeout
[ 109.954944] Bluetooth: hci0 command 0x0c12 tx timeout
[ 111.962754] Bluetooth: hci0 command 0x0c01 tx timeout
[ 113.970568] Bluetooth: hci0 command tx timeout