[Unit]
Description=optee services

[Service]
ExecStartPre=/sbin/modprobe -q optee_armtz
ExecStart=/usr/bin/tee-supplicant
ExecStop=/usr/bin/killall -s KILL tee-supplicant
ExecStopPost=/sbin/modprobe -r optee_armtz

[Install]
WantedBy=multi-user.target