xref: /rk3399_rockchip-uboot/arch/arm/include/asm/arch-spear/gpio.h (revision 2cb06a4fda4e7a88c734adaec9eeb5059e50f76b)
1*2cb06a4fSStefan Roese /*
2*2cb06a4fSStefan Roese  * Copyright (C) 2012 Stefan Roese <sr@denx.de>
3*2cb06a4fSStefan Roese  *
4*2cb06a4fSStefan Roese  * See file CREDITS for list of people who contributed to this
5*2cb06a4fSStefan Roese  * project.
6*2cb06a4fSStefan Roese  *
7*2cb06a4fSStefan Roese  * This program is free software; you can redistribute it and/or
8*2cb06a4fSStefan Roese  * modify it under the terms of the GNU General Public License as
9*2cb06a4fSStefan Roese  * published by the Free Software Foundation; either version 2 of
10*2cb06a4fSStefan Roese  * the License, or (at your option) any later version.
11*2cb06a4fSStefan Roese  *
12*2cb06a4fSStefan Roese  * This program is distributed in the hope that it will be useful,
13*2cb06a4fSStefan Roese  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14*2cb06a4fSStefan Roese  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*2cb06a4fSStefan Roese  * GNU General Public License for more details.
16*2cb06a4fSStefan Roese  *
17*2cb06a4fSStefan Roese  * You should have received a copy of the GNU General Public License
18*2cb06a4fSStefan Roese  * along with this program; if not, write to the Free Software
19*2cb06a4fSStefan Roese  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20*2cb06a4fSStefan Roese  * MA 02111-1307 USA
21*2cb06a4fSStefan Roese  */
22*2cb06a4fSStefan Roese 
23*2cb06a4fSStefan Roese 
24*2cb06a4fSStefan Roese #ifndef __ASM_ARCH_SPEAR_GPIO_H
25*2cb06a4fSStefan Roese #define __ASM_ARCH_SPEAR_GPIO_H
26*2cb06a4fSStefan Roese 
27*2cb06a4fSStefan Roese enum gpio_direction {
28*2cb06a4fSStefan Roese 	GPIO_DIRECTION_IN,
29*2cb06a4fSStefan Roese 	GPIO_DIRECTION_OUT,
30*2cb06a4fSStefan Roese };
31*2cb06a4fSStefan Roese 
32*2cb06a4fSStefan Roese struct gpio_regs {
33*2cb06a4fSStefan Roese 	u32 gpiodata[0x100];	/* 0x000 ... 0x3fc */
34*2cb06a4fSStefan Roese 	u32 gpiodir;		/* 0x400 */
35*2cb06a4fSStefan Roese };
36*2cb06a4fSStefan Roese 
37*2cb06a4fSStefan Roese #define SPEAR_GPIO_COUNT		8
38*2cb06a4fSStefan Roese #define DATA_REG_ADDR(gpio)		(1 << (gpio + 2))
39*2cb06a4fSStefan Roese 
40*2cb06a4fSStefan Roese #endif	/* __ASM_ARCH_SPEAR_GPIO_H */
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