include/linux/timb_gpio.h

   1 /*
   2  * timb_gpio.h timberdale FPGA GPIO driver, platform data definition
   3  * Copyright (c) 2009 Intel Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 #ifndef _LINUX_TIMB_GPIO_H
  20 #define _LINUX_TIMB_GPIO_H
  21
  22 /**
  23  * struct timbgpio_platform_data - Platform data of the Timberdale GPIO driver
  24  * @gpio_base           The number of the first GPIO pin, set to -1 for
  25  *                      dynamic number allocation.
  26  * @nr_pins             Number of pins that is supported by the hardware (1-32)
  27  * @irq_base            If IRQ is supported by the hardware, this is the base
  28  *                      number of IRQ:s. One IRQ per pin will be used. Set to
  29  *                      -1 if IRQ:s is not supported.
  30  */
  31 struct timbgpio_platform_data {
  32         int gpio_base;
  33         int nr_pins;
  34         int irq_base;
  35 };
  36
  37 #endif