mirror of https://gitee.com/openkylin/linux.git
80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
|
|
* linux/include/asm-arm/arch-omap/gpio.h
|
|
*
|
|
* OMAP GPIO handling defines and functions
|
|
*
|
|
* Copyright (C) 2003-2005 Nokia Corporation
|
|
*
|
|
* Written by Juha Yrjölä <juha.yrjola@nokia.com>
|
|
*
|
|
* 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_OMAP_GPIO_H
|
|
#define __ASM_ARCH_OMAP_GPIO_H
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/arch/irqs.h>
|
|
#include <asm/io.h>
|
|
|
|
#define OMAP_MPUIO_BASE (void __iomem *)0xfffb5000
|
|
|
|
#ifdef CONFIG_ARCH_OMAP730
|
|
#define OMAP_MPUIO_INPUT_LATCH 0x00
|
|
#define OMAP_MPUIO_OUTPUT 0x02
|
|
#define OMAP_MPUIO_IO_CNTL 0x04
|
|
#define OMAP_MPUIO_KBR_LATCH 0x08
|
|
#define OMAP_MPUIO_KBC 0x0a
|
|
#define OMAP_MPUIO_GPIO_EVENT_MODE 0x0c
|
|
#define OMAP_MPUIO_GPIO_INT_EDGE 0x0e
|
|
#define OMAP_MPUIO_KBD_INT 0x10
|
|
#define OMAP_MPUIO_GPIO_INT 0x12
|
|
#define OMAP_MPUIO_KBD_MASKIT 0x14
|
|
#define OMAP_MPUIO_GPIO_MASKIT 0x16
|
|
#define OMAP_MPUIO_GPIO_DEBOUNCING 0x18
|
|
#define OMAP_MPUIO_LATCH 0x1a
|
|
#else
|
|
#define OMAP_MPUIO_INPUT_LATCH 0x00
|
|
#define OMAP_MPUIO_OUTPUT 0x04
|
|
#define OMAP_MPUIO_IO_CNTL 0x08
|
|
#define OMAP_MPUIO_KBR_LATCH 0x10
|
|
#define OMAP_MPUIO_KBC 0x14
|
|
#define OMAP_MPUIO_GPIO_EVENT_MODE 0x18
|
|
#define OMAP_MPUIO_GPIO_INT_EDGE 0x1c
|
|
#define OMAP_MPUIO_KBD_INT 0x20
|
|
#define OMAP_MPUIO_GPIO_INT 0x24
|
|
#define OMAP_MPUIO_KBD_MASKIT 0x28
|
|
#define OMAP_MPUIO_GPIO_MASKIT 0x2c
|
|
#define OMAP_MPUIO_GPIO_DEBOUNCING 0x30
|
|
#define OMAP_MPUIO_LATCH 0x34
|
|
#endif
|
|
|
|
#define OMAP_MPUIO(nr) (OMAP_MAX_GPIO_LINES + (nr))
|
|
#define OMAP_GPIO_IS_MPUIO(nr) ((nr) >= OMAP_MAX_GPIO_LINES)
|
|
|
|
#define OMAP_GPIO_IRQ(nr) (OMAP_GPIO_IS_MPUIO(nr) ? \
|
|
IH_MPUIO_BASE + ((nr) & 0x0f) : \
|
|
IH_GPIO_BASE + (nr))
|
|
|
|
extern int omap_gpio_init(void); /* Call from board init only */
|
|
extern int omap_request_gpio(int gpio);
|
|
extern void omap_free_gpio(int gpio);
|
|
extern void omap_set_gpio_direction(int gpio, int is_input);
|
|
extern void omap_set_gpio_dataout(int gpio, int enable);
|
|
extern int omap_get_gpio_datain(int gpio);
|
|
|
|
#endif
|