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(name: "rtc_cmos" , id: -1); |
32 | if (!pdev) |
33 | return -ENOMEM; |
34 | |
35 | retval = platform_device_add_resources(pdev, res: 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 | |