| /* |
| * Copyright (c) 2011, NVIDIA Corp. All rights reserved. |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #ifndef _GPIO_H_ |
| #define _GPIO_H_ |
| |
| #include <asm/arch/gpio.h> |
| /* |
| * Generic GPIO API |
| */ |
| |
| int gpio_request(int gp, const char *label); |
| void gpio_free(int gp); |
| void gpio_toggle_value(int gp); |
| int gpio_direction_input(int gp); |
| int gpio_direction_output(int gp, int value); |
| int gpio_get_value(int gp); |
| void gpio_set_value(int gp, int value); |
| |
| #endif /* _GPIO_H_ */ |