platform-spi_imx.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2009-2010 Pengutronix
   4  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   5  */
   6 #include "../hardware.h"
   7 #include "devices-common.h"
   8
   9 #define imx_spi_imx_data_entry_single(soc, type, _devid, _id, hwid, _size) \
  10         {                                                               \
  11                 .devid = _devid,                                        \
  12                 .id = _id,                                              \
  13                 .iobase = soc ## _ ## type ## hwid ## _BASE_ADDR,       \
  14                 .iosize = _size,                                        \
  15                 .irq = soc ## _INT_ ## type ## hwid,                    \
  16         }
  17
  18 #define imx_spi_imx_data_entry(soc, type, devid, id, hwid, size)        \
  19         [id] = imx_spi_imx_data_entry_single(soc, type, devid, id, hwid, size)
  20
  21 #ifdef CONFIG_SOC_IMX21
  22 const struct imx_spi_imx_data imx21_cspi_data[] __initconst = {
  23 #define imx21_cspi_data_entry(_id, _hwid)                            \
  24         imx_spi_imx_data_entry(MX21, CSPI, "imx21-cspi", _id, _hwid, SZ_4K)
  25         imx21_cspi_data_entry(0, 1),
  26         imx21_cspi_data_entry(1, 2),
  27 };
  28 #endif
  29
  30 #ifdef CONFIG_SOC_IMX27
  31 const struct imx_spi_imx_data imx27_cspi_data[] __initconst = {
  32 #define imx27_cspi_data_entry(_id, _hwid)                               \
  33         imx_spi_imx_data_entry(MX27, CSPI, "imx27-cspi", _id, _hwid, SZ_4K)
  34         imx27_cspi_data_entry(0, 1),
  35         imx27_cspi_data_entry(1, 2),
  36         imx27_cspi_data_entry(2, 3),
  37 };
  38 #endif /* ifdef CONFIG_SOC_IMX27 */
  39
  40 #ifdef CONFIG_SOC_IMX31
  41 const struct imx_spi_imx_data imx31_cspi_data[] __initconst = {
  42 #define imx31_cspi_data_entry(_id, _hwid)                               \
  43         imx_spi_imx_data_entry(MX31, CSPI, "imx31-cspi", _id, _hwid, SZ_4K)
  44         imx31_cspi_data_entry(0, 1),
  45         imx31_cspi_data_entry(1, 2),
  46         imx31_cspi_data_entry(2, 3),
  47 };
  48 #endif /* ifdef CONFIG_SOC_IMX31 */
  49
  50 #ifdef CONFIG_SOC_IMX35
  51 const struct imx_spi_imx_data imx35_cspi_data[] __initconst = {
  52 #define imx35_cspi_data_entry(_id, _hwid)                           \
  53         imx_spi_imx_data_entry(MX35, CSPI, "imx35-cspi", _id, _hwid, SZ_4K)
  54         imx35_cspi_data_entry(0, 1),
  55         imx35_cspi_data_entry(1, 2),
  56 };
  57 #endif /* ifdef CONFIG_SOC_IMX35 */
  58
  59 struct platform_device *__init imx_add_spi_imx(
  60                 const struct imx_spi_imx_data *data,
  61                 const struct spi_imx_master *pdata)
  62 {
  63         struct resource res[] = {
  64                 {
  65                         .start = data->iobase,
  66                         .end = data->iobase + data->iosize - 1,
  67                         .flags = IORESOURCE_MEM,
  68                 }, {
  69                         .start = data->irq,
  70                         .end = data->irq,
  71                         .flags = IORESOURCE_IRQ,
  72                 },
  73         };
  74
  75         return imx_add_platform_device(data->devid, data->id,
  76                         res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
  77 }