1 /* 2 * Cobalt buttons platform device. 3 * 4 * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> 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 21 #include <linux/platform_device.h> 22 #include <linux/errno.h> 23 #include <linux/init.h> 24 25 static struct resource cobalt_buttons_resource __initdata = { 26 .start = 0x1d000000, 27 .end = 0x1d000003, 28 .flags = IORESOURCE_MEM, 29 }; 30 31 static __init int cobalt_add_buttons(void) 32 { 33 struct platform_device *pd; 34 int error; 35 36 pd = platform_device_alloc("Cobalt buttons", -1); 37 if (!pd) 38 return -ENOMEM; 39 40 error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1); 41 if (error) 42 goto err_free_device; 43 44 error = platform_device_add(pd); 45 if (error) 46 goto err_free_device; 47 48 return 0; 49 50 err_free_device: 51 platform_device_put(pd); 52 return error; 53 } 54 device_initcall(cobalt_add_buttons); 55