1 /*
2  * Copyright (C) 2012 Stefan Roese <sr@denx.de>
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 
24 #ifndef __ASM_ARCH_SPEAR_GPIO_H
25 #define __ASM_ARCH_SPEAR_GPIO_H
26 
27 enum gpio_direction {
28 	GPIO_DIRECTION_IN,
29 	GPIO_DIRECTION_OUT,
30 };
31 
32 struct gpio_regs {
33 	u32 gpiodata[0x100];	/* 0x000 ... 0x3fc */
34 	u32 gpiodir;		/* 0x400 */
35 };
36 
37 #define SPEAR_GPIO_COUNT		8
38 #define DATA_REG_ADDR(gpio)		(1 << (gpio + 2))
39 
40 #endif	/* __ASM_ARCH_SPEAR_GPIO_H */
41