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35570ac603
A GPIO driver for the Timberdale FPGA found on the Intel Atom board Russellville. The GPIO driver also has an IRQ-chip to support interrupts on the pins. Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/*
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* timb_gpio.h timberdale FPGA GPIO driver, platform data definition
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* Copyright (c) 2009 Intel Corporation
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _LINUX_TIMB_GPIO_H
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#define _LINUX_TIMB_GPIO_H
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/**
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* struct timbgpio_platform_data - Platform data of the Timberdale GPIO driver
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* @gpio_base The number of the first GPIO pin, set to -1 for
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* dynamic number allocation.
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* @nr_pins Number of pins that is supported by the hardware (1-32)
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* @irq_base If IRQ is supported by the hardware, this is the base
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* number of IRQ:s. One IRQ per pin will be used. Set to
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* -1 if IRQ:s is not supported.
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*/
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struct timbgpio_platform_data {
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int gpio_base;
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int nr_pins;
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int irq_base;
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};
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#endif
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