bfin-isp1761.c

usb isp1761驱动源代码 可编进内核。

/*
 * File:         bfin-isp1761.c
 * Based on:	 gumstix-isp1761.c Bernard Blackham <[e-mail]>
 * Author:	 Michael Hennerich <[e-mail]>
 *
 * Created:	 Jan 30th, 2007
 * Description:  Platfrom initialization file for Blackfin Processors
 *
 * Rev:          $Id:$
 *
 * Modified:
 *               Copyright 2004-2007 Analog Devices Inc.
 *
 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
 *
 * 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, see the file COPYING, or write
 * to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <asm/blackfin.h>
#include <asm/delay.h>

#define ISP1761_BASE       0x203C0000
#define ISP1761_IRQ        IRQ_PF7

static struct resource bfin_isp1761_resources[] = {
	[0] = {
		.name	= "isp1761-regs",
		.start  = ISP1761_BASE + 0x00000000,
		.end    = ISP1761_BASE + 0x000fffff,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = ISP1761_IRQ,
		.end    = ISP1761_IRQ,
		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct platform_device bfin_isp1761_device = {
	.name           = "isp1761",
	.id             = 0,
	.num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
	.resource       = bfin_isp1761_resources,
};

static struct platform_device *bfin_isp1761_devices[] = {
	&bfin_isp1761_device,
};

int __init bfin_isp1761_init(void)
{
	unsigned int num_devices=ARRAY_SIZE(bfin_isp1761_devices);

	set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);

	return platform_add_devices(bfin_isp1761_devices, num_devices);
}

void __exit bfin_isp1761_exit(void)
{
	platform_device_unregister(&bfin_isp1761_device);
}

module_init(bfin_isp1761_init);
module_exit(bfin_isp1761_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michael Hennerich <[e-mail]>");
MODULE_DESCRIPTION("Blackfin ISP1761 chip initialization driver");
MODULE_VERSION("1.0");