arch/arm/mach-tegra/include/mach/gpio-tegra.h

   1 /*
   2  * arch/arm/mach-tegra/include/mach/gpio.h
   3  *
   4  * Copyright (C) 2010 Google, Inc.
   5  *
   6  * Author:
   7  *      Erik Gilling <konkers@google.com>
   8  *
   9  * This software is licensed under the terms of the GNU General Public
  10  * License version 2, as published by the Free Software Foundation, and
  11  * may be copied, distributed, and modified under those terms.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  */
  19
  20 #ifndef __MACH_TEGRA_GPIO_TEGRA_H
  21 #define __MACH_TEGRA_GPIO_TEGRA_H
  22
  23 #include <linux/types.h>
  24 #include <mach/irqs.h>
  25
  26 #define TEGRA_NR_GPIOS          INT_GPIO_NR
  27
  28 #define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio))
  29
  30 struct tegra_gpio_table {
  31         int     gpio;   /* GPIO number */
  32         bool    enable; /* Enable for GPIO at init? */
  33 };
  34
  35 void tegra_gpio_config(struct tegra_gpio_table *table, int num);
  36 void tegra_gpio_enable(int gpio);
  37 void tegra_gpio_disable(int gpio);
  38
  39 #endif