#
# rpi_no_usb.service – Systemd service to disable the Raspberry Pi's USB bus
#
# Version 1.0, latest version, documentation and bugtracker available at:
#		https://gitlab.lindenaar.net/scripts/raspberrypi
#
# Copyright (c) 2019 Frederik Lindenaar
#
# This script is free software: you can redistribute and/or modify it under the
# terms of version 3 of the GNU General Public License as published by the Free
# Software Foundation, or (at your option) any later version of the license.
#
# This script is distributed in the hope that it will be useful but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program.  If not, visit <http://www.gnu.org/licenses/> to download it.
#

# To install copy to /etc/systemd/system/rpi_no_usb.service
# enable it to start during boot with:          systemctl enable rpi_no_usb
# temporarily enable with:                      service rpi_no_usb start
# temporarily disable with:                     service rpi_no_usb stop
# disable starting during boot with:            systemctl disable rpi_no_usb

[Unit]
Description=Disable Raspberry Pi USB bus

[Service]
Type=oneshot
ExecStart=/bin/sh -c "echo 0x0 > /sys/devices/platform/soc/3f980000.usb/buspower"
ExecStop=/bin/sh -c "echo 0x1 > /sys/devices/platform/soc/3f980000.usb/buspower"
RemainAfterExit=yes

[Install]
WantedBy=default.target