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kernel/linux-rt-4.4.41/arch/arm/mach-imx/devices/platform-mxc_w1.c 1.35 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2010 Pengutronix
   * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License version 2 as published by the
   * Free Software Foundation.
   */
  #include "../hardware.h"
  #include "devices-common.h"
  
  #define imx_mxc_w1_data_entry_single(soc)				\
  	{								\
  		.iobase = soc ## _OWIRE_BASE_ADDR,			\
  	}
  
  #ifdef CONFIG_SOC_IMX21
  const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst =
  	imx_mxc_w1_data_entry_single(MX21);
  #endif /* ifdef CONFIG_SOC_IMX21 */
  
  #ifdef CONFIG_SOC_IMX27
  const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst =
  	imx_mxc_w1_data_entry_single(MX27);
  #endif /* ifdef CONFIG_SOC_IMX27 */
  
  #ifdef CONFIG_SOC_IMX31
  const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
  	imx_mxc_w1_data_entry_single(MX31);
  #endif /* ifdef CONFIG_SOC_IMX31 */
  
  #ifdef CONFIG_SOC_IMX35
  const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
  	imx_mxc_w1_data_entry_single(MX35);
  #endif /* ifdef CONFIG_SOC_IMX35 */
  
  struct platform_device *__init imx_add_mxc_w1(
  		const struct imx_mxc_w1_data *data)
  {
  	struct resource res[] = {
  		{
  			.start = data->iobase,
  			.end = data->iobase + SZ_4K - 1,
  			.flags = IORESOURCE_MEM,
  		},
  	};
  
  	return imx_add_platform_device("mxc_w1", 0,
  			res, ARRAY_SIZE(res), NULL, 0);
  }