2 * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
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.
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.
19 #ifndef __ASM_ARCH_MXC_GPIO_H__
20 #define __ASM_ARCH_MXC_GPIO_H__
22 #include <mach/hardware.h>
23 #include <asm-generic/gpio.h>
25 /* use gpiolib dispatchers */
26 #define gpio_get_value __gpio_get_value
27 #define gpio_set_value __gpio_set_value
28 #define gpio_cansleep __gpio_cansleep
30 #define gpio_to_irq(gpio) (MXC_GPIO_IRQ_START + (gpio))
31 #define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START)
33 struct mxc_gpio_port {
36 int virtual_irq_start;
37 struct gpio_chip chip;
40 int mxc_gpio_init(struct mxc_gpio_port*, int);