[Unit]
Description=Broadcom 43xx bluetooth HCI
Requires=brcm43xx-firmware.service
After=brcm43xx-firmware.service
Before=bluetooth.service
ConditionPathExists=/dev/brcm43xx

[Service]
Type=simple
ExecStart=/usr/bin/hciattach -n /dev/brcm43xx any 3000000

[Install]
WantedBy=bluetooth.target