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