2 * Copyright (c) 2011, NVIDIA Corp. All rights reserved.
3 * See file CREDITS for list of people who contributed to this
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #include <asm/arch/gpio.h>
30 int gpio_request(int gp, const char *label);
31 void gpio_free(int gp);
32 void gpio_toggle_value(int gp);
33 int gpio_direction_input(int gp);
34 int gpio_direction_output(int gp, int value);
35 int gpio_get_value(int gp);
36 void gpio_set_value(int gp, int value);