1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * DEC platform devices.
4 *
5 * Copyright (c) 2014 Maciej W. Rozycki
6 */
7
8 #include <linux/ioport.h>
9 #include <linux/kernel.h>
10 #include <linux/mc146818rtc.h>
11 #include <linux/platform_device.h>
12
13 static struct resource dec_rtc_resources[] = {
14 {
15 .name = "rtc",
16 .flags = IORESOURCE_MEM,
17 },
18 };
19
20 static struct cmos_rtc_board_info dec_rtc_info = {
21 .flags = CMOS_RTC_FLAGS_NOFREQ,
22 .address_space = 64,
23 };
24
25 static struct platform_device dec_rtc_device = {
26 .name = "rtc_cmos",
27 .id = PLATFORM_DEVID_NONE,
28 .dev.platform_data = &dec_rtc_info,
29 .resource = dec_rtc_resources,
30 .num_resources = ARRAY_SIZE(dec_rtc_resources),
31 };
32
33 static int __init dec_add_devices(void)
34 {
35 dec_rtc_resources[0].start = RTC_PORT(0);
36 dec_rtc_resources[0].end = RTC_PORT(0) + dec_kn_slot_size - 1;
37 return platform_device_register(&dec_rtc_device);
38 }
39
40 device_initcall(dec_add_devices);
41
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