xref: /openbmc/u-boot/arch/arm/include/asm/gpio.h (revision 0cb77bfa)
1 /*
2  * Copyright (c) 2011, NVIDIA Corp. All rights reserved.
3  * See file CREDITS for list of people who contributed to this
4  * project.
5  *
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.
10  *
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.
15  *
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,
19  * MA 02111-1307 USA
20  */
21 
22 #ifndef _GPIO_H_
23 #define _GPIO_H_
24 
25 #include <asm/arch/gpio.h>
26 /*
27  * Generic GPIO API
28  */
29 
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);
37 
38 #endif	/* _GPIO_H_ */
39