arch/arm/plat-mxc/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 <mach/hardware.h>
  10 #include <mach/devices-common.h>
  11
  12 #define imx_imx_i2c_data_entry_single(soc, _id, _hwid, _size)           \
  13         {                                                               \
  14                 .id = _id,                                              \
  15                 .iobase = soc ## _I2C ## _hwid ## _BASE_ADDR,           \
  16                 .iosize = _size,                                        \
  17                 .irq = soc ## _INT_I2C ## _hwid,                        \
  18         }
  19
  20 #define imx_imx_i2c_data_entry(soc, _id, _hwid, _size)                  \
  21         [_id] = imx_imx_i2c_data_entry_single(soc, _id, _hwid, _size)
  22
  23 #ifdef CONFIG_SOC_IMX1
  24 const struct imx_imx_i2c_data imx1_imx_i2c_data __initconst =
  25         imx_imx_i2c_data_entry_single(MX1, 0, , SZ_4K);
  26 #endif /* ifdef CONFIG_SOC_IMX1 */
  27
  28 #ifdef CONFIG_SOC_IMX21
  29 const struct imx_imx_i2c_data imx21_imx_i2c_data __initconst =
  30         imx_imx_i2c_data_entry_single(MX21, 0, , SZ_4K);
  31 #endif /* ifdef CONFIG_SOC_IMX21 */
  32
  33 #ifdef CONFIG_SOC_IMX25
  34 const struct imx_imx_i2c_data imx25_imx_i2c_data[] __initconst = {
  35 #define imx25_imx_i2c_data_entry(_id, _hwid)                            \
  36         imx_imx_i2c_data_entry(MX25, _id, _hwid, SZ_16K)
  37         imx25_imx_i2c_data_entry(0, 1),
  38         imx25_imx_i2c_data_entry(1, 2),
  39         imx25_imx_i2c_data_entry(2, 3),
  40 };
  41 #endif /* ifdef CONFIG_SOC_IMX25 */
  42
  43 #ifdef CONFIG_SOC_IMX27
  44 const struct imx_imx_i2c_data imx27_imx_i2c_data[] __initconst = {
  45 #define imx27_imx_i2c_data_entry(_id, _hwid)                            \
  46         imx_imx_i2c_data_entry(MX27, _id, _hwid, SZ_4K)
  47         imx27_imx_i2c_data_entry(0, 1),
  48         imx27_imx_i2c_data_entry(1, 2),
  49 };
  50 #endif /* ifdef CONFIG_SOC_IMX27 */
  51
  52 #ifdef CONFIG_SOC_IMX31
  53 const struct imx_imx_i2c_data imx31_imx_i2c_data[] __initconst = {
  54 #define imx31_imx_i2c_data_entry(_id, _hwid)                            \
  55         imx_imx_i2c_data_entry(MX31, _id, _hwid, SZ_4K)
  56         imx31_imx_i2c_data_entry(0, 1),
  57         imx31_imx_i2c_data_entry(1, 2),
  58         imx31_imx_i2c_data_entry(2, 3),
  59 };
  60 #endif /* ifdef CONFIG_SOC_IMX31 */
  61
  62 #ifdef CONFIG_SOC_IMX35
  63 const struct imx_imx_i2c_data imx35_imx_i2c_data[] __initconst = {
  64 #define imx35_imx_i2c_data_entry(_id, _hwid)                            \
  65         imx_imx_i2c_data_entry(MX35, _id, _hwid, SZ_4K)
  66         imx35_imx_i2c_data_entry(0, 1),
  67         imx35_imx_i2c_data_entry(1, 2),
  68         imx35_imx_i2c_data_entry(2, 3),
  69 };
  70 #endif /* ifdef CONFIG_SOC_IMX35 */
  71
  72 #ifdef CONFIG_ARCH_MX51
  73 const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst = {
  74 #define imx51_imx_i2c_data_entry(_id, _hwid)                            \
  75         imx_imx_i2c_data_entry(MX51, _id, _hwid, SZ_4K)
  76         imx51_imx_i2c_data_entry(0, 1),
  77         imx51_imx_i2c_data_entry(1, 2),
  78 };
  79 #endif /* ifdef CONFIG_ARCH_MX51 */
  80
  81 struct platform_device *__init imx_add_imx_i2c(
  82                 const struct imx_imx_i2c_data *data,
  83                 const struct imxi2c_platform_data *pdata)
  84 {
  85         struct resource res[] = {
  86                 {
  87                         .start = data->iobase,
  88                         .end = data->iobase + data->iosize - 1,
  89                         .flags = IORESOURCE_MEM,
  90                 }, {
  91                         .start = data->irq,
  92                         .end = data->irq,
  93                         .flags = IORESOURCE_IRQ,
  94                 },
  95         };
  96
  97         return imx_add_platform_device("imx-i2c", data->id,
  98                         res, ARRAY_SIZE(res),
  99                         pdata, sizeof(*pdata));
 100 }