1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Registration of Cobalt RTC platform device.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun #include <linux/errno.h>
8*4882a593Smuzhiyun #include <linux/init.h>
9*4882a593Smuzhiyun #include <linux/ioport.h>
10*4882a593Smuzhiyun #include <linux/mc146818rtc.h>
11*4882a593Smuzhiyun #include <linux/platform_device.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun static struct resource cobalt_rtc_resource[] __initdata = {
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun .start = 0x70,
16*4882a593Smuzhiyun .end = 0x77,
17*4882a593Smuzhiyun .flags = IORESOURCE_IO,
18*4882a593Smuzhiyun },
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun .start = RTC_IRQ,
21*4882a593Smuzhiyun .end = RTC_IRQ,
22*4882a593Smuzhiyun .flags = IORESOURCE_IRQ,
23*4882a593Smuzhiyun },
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
cobalt_rtc_add(void)26*4882a593Smuzhiyun static __init int cobalt_rtc_add(void)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun struct platform_device *pdev;
29*4882a593Smuzhiyun int retval;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun pdev = platform_device_alloc("rtc_cmos", -1);
32*4882a593Smuzhiyun if (!pdev)
33*4882a593Smuzhiyun return -ENOMEM;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun retval = platform_device_add_resources(pdev, cobalt_rtc_resource,
36*4882a593Smuzhiyun ARRAY_SIZE(cobalt_rtc_resource));
37*4882a593Smuzhiyun if (retval)
38*4882a593Smuzhiyun goto err_free_device;
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun retval = platform_device_add(pdev);
41*4882a593Smuzhiyun if (retval)
42*4882a593Smuzhiyun goto err_free_device;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun return 0;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun err_free_device:
47*4882a593Smuzhiyun platform_device_put(pdev);
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun return retval;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun device_initcall(cobalt_rtc_add);
52