LXR linux/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
  24const 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
  29const 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
  34const 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
  44const 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
  53const 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
  63const 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_SOC_IMX51
  73const 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_SOC_IMX51 */
  80
  81#ifdef CONFIG_SOC_IMX53
  82const struct imx_imx_i2c_data imx53_imx_i2c_data[] __initconst = {
  83#define imx53_imx_i2c_data_entry(_id, _hwid)                            \
  84        imx_imx_i2c_data_entry(MX53, _id, _hwid, SZ_4K)
  85        imx53_imx_i2c_data_entry(0, 1),
  86        imx53_imx_i2c_data_entry(1, 2),
  87};
  88#endif /* ifdef CONFIG_SOC_IMX51 */
  89
  90struct platform_device *__init imx_add_imx_i2c(
  91                const struct imx_imx_i2c_data *data,
  92                const struct imxi2c_platform_data *pdata)
  93{
  94        struct resource res[] = {
  95                {
  96                        .start = data->iobase,
  97                        .end = data->iobase + data->iosize - 1,
  98                        .flags = IORESOURCE_MEM,
  99                }, {
 100                        .start = data->irq,
 101                        .end = data->irq,
 102                        .flags = IORESOURCE_IRQ,
 103                },
 104        };
 105
 106        return imx_add_platform_device("imx-i2c", data->id,
 107                        res, ARRAY_SIZE(res),
 108                        pdata, sizeof(*pdata));
 109}
 110