arch/arm/mach-imx/devices/platform-mxc_w1.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2010 Pengutronix
   4  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   5  */
   6 #include "../hardware.h"
   7 #include "devices-common.h"
   8
   9 #define imx_mxc_w1_data_entry_single(soc)                               \
  10         {                                                               \
  11                 .iobase = soc ## _OWIRE_BASE_ADDR,                      \
  12         }
  13
  14 #ifdef CONFIG_SOC_IMX21
  15 const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst =
  16         imx_mxc_w1_data_entry_single(MX21);
  17 #endif /* ifdef CONFIG_SOC_IMX21 */
  18
  19 #ifdef CONFIG_SOC_IMX27
  20 const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst =
  21         imx_mxc_w1_data_entry_single(MX27);
  22 #endif /* ifdef CONFIG_SOC_IMX27 */
  23
  24 #ifdef CONFIG_SOC_IMX31
  25 const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
  26         imx_mxc_w1_data_entry_single(MX31);
  27 #endif /* ifdef CONFIG_SOC_IMX31 */
  28
  29 #ifdef CONFIG_SOC_IMX35
  30 const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
  31         imx_mxc_w1_data_entry_single(MX35);
  32 #endif /* ifdef CONFIG_SOC_IMX35 */
  33
  34 struct platform_device *__init imx_add_mxc_w1(
  35                 const struct imx_mxc_w1_data *data)
  36 {
  37         struct resource res[] = {
  38                 {
  39                         .start = data->iobase,
  40                         .end = data->iobase + SZ_4K - 1,
  41                         .flags = IORESOURCE_MEM,
  42                 },
  43         };
  44
  45         return imx_add_platform_device("mxc_w1", 0,
  46                         res, ARRAY_SIZE(res), NULL, 0);
  47 }