/* * Copyright (C) 2011 * Stefano Babic, DENX Software Engineering, * * 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 __ASM_ARCH_MX25_GPIO_H #define __ASM_ARCH_MX25_GPIO_H /* Converts a GPIO port number and the internal bit position * to the GPIO number */ #define MXC_GPIO_PORT_TO_NUM(port, bit) (((port - 1) << 5) + (bit & 0x1f)) /* GPIO registers */ struct gpio_regs { u32 gpio_dr; /* data */ u32 gpio_dir; /* direction */ u32 psr; /* pad satus */ u32 icr1; /* interrupt config 1 */ u32 icr2; /* interrupt config 2 */ u32 imr; /* interrupt mask */ u32 isr; /* interrupt status */ u32 edge_sel; /* edge select */ }; #endif