1/* 2 * Registration of Cobalt RTC platform device. 3 * 4 * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> 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/mc146818rtc.h> 24#include <linux/platform_device.h> 25 26static struct resource cobalt_rtc_resource[] __initdata = { 27 { 28 .start = 0x70, 29 .end = 0x77, 30 .flags = IORESOURCE_IO, 31 }, 32 { 33 .start = RTC_IRQ, 34 .end = RTC_IRQ, 35 .flags = IORESOURCE_IRQ, 36 }, 37}; 38 39static __init int cobalt_rtc_add(void) 40{ 41 struct platform_device *pdev; 42 int retval; 43 44 pdev = platform_device_alloc("rtc_cmos", -1); 45 if (!pdev) 46 return -ENOMEM; 47 48 retval = platform_device_add_resources(pdev, cobalt_rtc_resource, 49 ARRAY_SIZE(cobalt_rtc_resource)); 50 if (retval) 51 goto err_free_device; 52 53 retval = platform_device_add(pdev); 54 if (retval) 55 goto err_free_device; 56 57 return 0; 58 59err_free_device: 60 platform_device_put(pdev); 61 62 return retval; 63} 64device_initcall(cobalt_rtc_add); 65