LXR linux/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
  25const 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
  30const 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
  39const 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
  49const 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
  58struct 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}
  78