1/* 2 * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved. 3 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 2 8 * of the License, or (at your option) any later version. 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 */ 18 19#ifndef __ASM_ARCH_MXC_GPIO_H__ 20#define __ASM_ARCH_MXC_GPIO_H__ 21 22#include <linux/spinlock.h> 23#include <mach/hardware.h> 24#include <asm-generic/gpio.h> 25 26/* use gpiolib dispatchers */ 27#define gpio_get_value __gpio_get_value 28#define gpio_set_value __gpio_set_value 29#define gpio_cansleep __gpio_cansleep 30 31#define gpio_to_irq(gpio) (MXC_GPIO_IRQ_START + (gpio)) 32#define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) 33 34struct mxc_gpio_port { 35 void __iomem *base; 36 int irq; 37 int irq_high; 38 int virtual_irq_start; 39 struct gpio_chip chip; 40 u32 both_edges; 41 spinlock_t lock; 42}; 43 44int mxc_gpio_init(struct mxc_gpio_port*, int); 45 46#endif 47