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kernel/linux-imx6_3.14.28/arch/mips/cobalt/led.c 1.69 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   *  Registration of Cobalt LED platform device.
   *
   *  Copyright (C) 2007	Yoichi Yuasa <yuasa@linux-mips.org>
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
   */
  #include <linux/errno.h>
  #include <linux/init.h>
  #include <linux/ioport.h>
  #include <linux/platform_device.h>
  
  #include <cobalt.h>
  
  static struct resource cobalt_led_resource __initdata = {
  	.start	= 0x1c000000,
  	.end	= 0x1c000000,
  	.flags	= IORESOURCE_MEM,
  };
  
  static __init int cobalt_led_add(void)
  {
  	struct platform_device *pdev;
  	int retval;
  
  	if (cobalt_board_id == COBALT_BRD_ID_QUBE1 ||
  	    cobalt_board_id == COBALT_BRD_ID_QUBE2)
  		pdev = platform_device_alloc("cobalt-qube-leds", -1);
  	else
  		pdev = platform_device_alloc("cobalt-raq-leds", -1);
  
  	if (!pdev)
  		return -ENOMEM;
  
  	retval = platform_device_add_resources(pdev, &cobalt_led_resource, 1);
  	if (retval)
  		goto err_free_device;
  
  	retval = platform_device_add(pdev);
  	if (retval)
  		goto err_free_device;
  
  	return 0;
  
  err_free_device:
  	platform_device_put(pdev);
  
  	return retval;
  }
  device_initcall(cobalt_led_add);