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