Edit File: gpio_vbus.h
// SPDX-License-Identifier: GPL-2.0 /* * A simple GPIO VBUS sensing driver for B peripheral only devices * with internal transceivers. * Optionally D+ pullup can be controlled by a second GPIO. * * Copyright (c) 2008 Philipp Zabel <philipp.zabel@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ /** * struct gpio_vbus_mach_info - configuration for gpio_vbus * @gpio_vbus: VBUS sensing GPIO * @gpio_pullup: optional D+ or D- pullup GPIO (else negative/invalid) * @gpio_vbus_inverted: true if gpio_vbus is active low * @gpio_pullup_inverted: true if gpio_pullup is active low * @wakeup: configure gpio_vbus as a wake-up source * * The VBUS sensing GPIO should have a pulldown, which will normally be * part of a resistor ladder turning a 4.0V-5.25V level on VBUS into a * value the GPIO detects as active. Some systems will use comparators. */ struct gpio_vbus_mach_info { int gpio_vbus; int gpio_pullup; bool gpio_vbus_inverted; bool gpio_pullup_inverted; bool wakeup; };