xref: /openbmc/linux/arch/mips/cobalt/rtc.c (revision b0cc114c)
1 /*
2  *  Registration of Cobalt RTC platform device.
3  *
4  *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
19  */
20 #include <linux/errno.h>
21 #include <linux/init.h>
22 #include <linux/ioport.h>
23 #include <linux/platform_device.h>
24 
25 static struct resource cobalt_rtc_resource[] __initdata = {
26 	{
27 		.start	= 0x70,
28 		.end	= 0x77,
29 		.flags	= IORESOURCE_IO,
30 	},
31 	{
32 		.start	= 8,
33 		.end	= 8,
34 		.flags	= IORESOURCE_IRQ,
35 	},
36 };
37 
38 static __init int cobalt_rtc_add(void)
39 {
40 	struct platform_device *pdev;
41 	int retval;
42 
43 	pdev = platform_device_alloc("rtc_cmos", -1);
44 	if (!pdev)
45 		return -ENOMEM;
46 
47 	retval = platform_device_add_resources(pdev, cobalt_rtc_resource,
48 	                                       ARRAY_SIZE(cobalt_rtc_resource));
49 	if (retval)
50 		goto err_free_device;
51 
52 	retval = platform_device_add(pdev);
53 	if (retval)
54 		goto err_free_device;
55 
56 	return 0;
57 
58 err_free_device:
59 	platform_device_put(pdev);
60 
61 	return retval;
62 }
63 device_initcall(cobalt_rtc_add);
64