arch/arm/mach-imx/devices/platform-spi_imx.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_spi_imx_data_entry_single(soc, type, _devid, _id, hwid, _size) \
  13         {                                                               \
  14                 .devid = _devid,                                        \
  15                 .id = _id,                                              \
  16                 .iobase = soc ## _ ## type ## hwid ## _BASE_ADDR,       \
  17                 .iosize = _size,                                        \
  18                 .irq = soc ## _INT_ ## type ## hwid,                    \
  19         }
  20
  21 #define imx_spi_imx_data_entry(soc, type, devid, id, hwid, size)        \
  22         [id] = imx_spi_imx_data_entry_single(soc, type, devid, id, hwid, size)
  23
  24 #ifdef CONFIG_SOC_IMX21
  25 const struct imx_spi_imx_data imx21_cspi_data[] __initconst = {
  26 #define imx21_cspi_data_entry(_id, _hwid)                            \
  27         imx_spi_imx_data_entry(MX21, CSPI, "imx21-cspi", _id, _hwid, SZ_4K)
  28         imx21_cspi_data_entry(0, 1),
  29         imx21_cspi_data_entry(1, 2),
  30 };
  31 #endif
  32
  33 #ifdef CONFIG_SOC_IMX27
  34 const struct imx_spi_imx_data imx27_cspi_data[] __initconst = {
  35 #define imx27_cspi_data_entry(_id, _hwid)                               \
  36         imx_spi_imx_data_entry(MX27, CSPI, "imx27-cspi", _id, _hwid, SZ_4K)
  37         imx27_cspi_data_entry(0, 1),
  38         imx27_cspi_data_entry(1, 2),
  39         imx27_cspi_data_entry(2, 3),
  40 };
  41 #endif /* ifdef CONFIG_SOC_IMX27 */
  42
  43 #ifdef CONFIG_SOC_IMX31
  44 const struct imx_spi_imx_data imx31_cspi_data[] __initconst = {
  45 #define imx31_cspi_data_entry(_id, _hwid)                               \
  46         imx_spi_imx_data_entry(MX31, CSPI, "imx31-cspi", _id, _hwid, SZ_4K)
  47         imx31_cspi_data_entry(0, 1),
  48         imx31_cspi_data_entry(1, 2),
  49         imx31_cspi_data_entry(2, 3),
  50 };
  51 #endif /* ifdef CONFIG_SOC_IMX31 */
  52
  53 #ifdef CONFIG_SOC_IMX35
  54 const struct imx_spi_imx_data imx35_cspi_data[] __initconst = {
  55 #define imx35_cspi_data_entry(_id, _hwid)                           \
  56         imx_spi_imx_data_entry(MX35, CSPI, "imx35-cspi", _id, _hwid, SZ_4K)
  57         imx35_cspi_data_entry(0, 1),
  58         imx35_cspi_data_entry(1, 2),
  59 };
  60 #endif /* ifdef CONFIG_SOC_IMX35 */
  61
  62 struct platform_device *__init imx_add_spi_imx(
  63                 const struct imx_spi_imx_data *data,
  64                 const struct spi_imx_master *pdata)
  65 {
  66         struct resource res[] = {
  67                 {
  68                         .start = data->iobase,
  69                         .end = data->iobase + data->iosize - 1,
  70                         .flags = IORESOURCE_MEM,
  71                 }, {
  72                         .start = data->irq,
  73                         .end = data->irq,
  74                         .flags = IORESOURCE_IRQ,
  75                 },
  76         };
  77
  78         return imx_add_platform_device(data->devid, data->id,
  79                         res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
  80 }