| /* | |
| * 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; | |
| }; |