[Unit] Description=Broadcom sdio firmware update for BCM43430A1 ConditionFileNotEmpty=/proc/device-tree/soc/gpio@7e200000/bt_pins/brcm,pins Requires=dev-serial1.device After=dev-serial1.device network.target [Service] Type=simple RemainAfterExit=yes ExecStart=/usr/bin/rpi-btuart [Install] WantedBy=network.target