Provided by: bluez_5.48-0ubuntu3.9_amd64 

NAME
btattach - attach serial devices to BlueZ stack
SYNOPSIS
btattach [-B device] [-A device] [-P protocol] [-R]
DESCRIPTION
btattach is used to attach a serial UART to the Bluetooth stack as a transport interface.
OPTIONS
-B device, --bredr device
Attach a BR/EDR controller.
-A device, --amp device
Attach an AMP controller.
-P protocol, --protocol protocol
Specify the protocol type for talking to the device. Supported values are:
• h4
• bcsp
• 3wire
• h4ds
• ll
• ath3k
• intel
• bcm
• qca
-R Set the device into raw mode (the kernel and bluetoothd will ignore it).
BlueZ November 2015 btattach(1)