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-rw-r--r--include/asm-arm/arch-mxc/gpio.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mxc/gpio.h b/include/asm-arm/arch-mxc/gpio.h
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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 <asm/hardware.h>
23#include <asm-generic/gpio.h>
24
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
29
30#define gpio_to_irq(gpio) (MXC_MAX_INT_LINES + (gpio))
31#define irq_to_gpio(irq) ((irq) - MXC_MAX_INT_LINES)
32
33struct mxc_gpio_port {
34 void __iomem *base;
35 int irq;
36 int virtual_irq_start;
37 struct gpio_chip chip;
38};
39
40int mxc_gpio_init(struct mxc_gpio_port*, int);
41
42#endif