arch/arm/mach-imx/devices/platform-imx-i2c.c

   1 /*
   2  * Copyright (C) 2009-2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  */
   9 #include "../hardware.h"
  10 #include "devices-common.h"
  11
  12 #define imx_imx_i2c_data_entry_single(soc, _devid, _id, _hwid, _size)   \
  13         {                                                               \
  14                 .devid = _devid,                                        \
  15                 .id = _id,                                              \
  16                 .iobase = soc ## _I2C ## _hwid ## _BASE_ADDR,           \
  17                 .iosize = _size,                                        \
  18                 .irq = soc ## _INT_I2C ## _hwid,                        \
  19         }
  20
  21 #define imx_imx_i2c_data_entry(soc, _devid, _id, _hwid, _size)          \
  22         [_id] = imx_imx_i2c_data_entry_single(soc, _devid, _id, _hwid, _size)
  23
  24 #ifdef CONFIG_SOC_IMX21
  25 const struct imx_imx_i2c_data imx21_imx_i2c_data __initconst =
  26         imx_imx_i2c_data_entry_single(MX21, "imx21-i2c", 0, , SZ_4K);
  27 #endif /* ifdef CONFIG_SOC_IMX21 */
  28
  29 #ifdef CONFIG_SOC_IMX27
  30 const struct imx_imx_i2c_data imx27_imx_i2c_data[] __initconst = {
  31 #define imx27_imx_i2c_data_entry(_id, _hwid)                            \
  32         imx_imx_i2c_data_entry(MX27, "imx21-i2c", _id, _hwid, SZ_4K)
  33         imx27_imx_i2c_data_entry(0, 1),
  34         imx27_imx_i2c_data_entry(1, 2),
  35 };
  36 #endif /* ifdef CONFIG_SOC_IMX27 */
  37
  38 #ifdef CONFIG_SOC_IMX31
  39 const struct imx_imx_i2c_data imx31_imx_i2c_data[] __initconst = {
  40 #define imx31_imx_i2c_data_entry(_id, _hwid)                            \
  41         imx_imx_i2c_data_entry(MX31, "imx21-i2c", _id, _hwid, SZ_4K)
  42         imx31_imx_i2c_data_entry(0, 1),
  43         imx31_imx_i2c_data_entry(1, 2),
  44         imx31_imx_i2c_data_entry(2, 3),
  45 };
  46 #endif /* ifdef CONFIG_SOC_IMX31 */
  47
  48 #ifdef CONFIG_SOC_IMX35
  49 const struct imx_imx_i2c_data imx35_imx_i2c_data[] __initconst = {
  50 #define imx35_imx_i2c_data_entry(_id, _hwid)                            \
  51         imx_imx_i2c_data_entry(MX35, "imx21-i2c", _id, _hwid, SZ_4K)
  52         imx35_imx_i2c_data_entry(0, 1),
  53         imx35_imx_i2c_data_entry(1, 2),
  54         imx35_imx_i2c_data_entry(2, 3),
  55 };
  56 #endif /* ifdef CONFIG_SOC_IMX35 */
  57
  58 struct platform_device *__init imx_add_imx_i2c(
  59                 const struct imx_imx_i2c_data *data,
  60                 const struct imxi2c_platform_data *pdata)
  61 {
  62         struct resource res[] = {
  63                 {
  64                         .start = data->iobase,
  65                         .end = data->iobase + data->iosize - 1,
  66                         .flags = IORESOURCE_MEM,
  67                 }, {
  68                         .start = data->irq,
  69                         .end = data->irq,
  70                         .flags = IORESOURCE_IRQ,
  71                 },
  72         };
  73
  74         return imx_add_platform_device(data->devid, data->id,
  75                         res, ARRAY_SIZE(res),
  76                         pdata, sizeof(*pdata));
  77 }