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5fd54ace47
It's good to have SPDX identifiers in all files to make it easier to audit the kernel tree for correct licenses. Update the drivers/usb/ and include/linux/usb* files with the correct SPDX license identifier based on the license text in the file itself. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This work is based on a script and data from Thomas Gleixner, Philippe Ombredanne, and Kate Stewart. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* A simple GPIO VBUS sensing driver for B peripheral only devices
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* with internal transceivers.
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* Optionally D+ pullup can be controlled by a second GPIO.
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*
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* Copyright (c) 2008 Philipp Zabel <philipp.zabel@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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/**
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* struct gpio_vbus_mach_info - configuration for gpio_vbus
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* @gpio_vbus: VBUS sensing GPIO
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* @gpio_pullup: optional D+ or D- pullup GPIO (else negative/invalid)
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* @gpio_vbus_inverted: true if gpio_vbus is active low
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* @gpio_pullup_inverted: true if gpio_pullup is active low
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* @wakeup: configure gpio_vbus as a wake-up source
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*
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* The VBUS sensing GPIO should have a pulldown, which will normally be
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* part of a resistor ladder turning a 4.0V-5.25V level on VBUS into a
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* value the GPIO detects as active. Some systems will use comparators.
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*/
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struct gpio_vbus_mach_info {
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int gpio_vbus;
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int gpio_pullup;
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bool gpio_vbus_inverted;
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bool gpio_pullup_inverted;
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bool wakeup;
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};
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