arch/arm/mach-imx/devices/platform-imx-ssi.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 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_imx_ssi_data_entry(soc, _id, _hwid, _size)                  \
  10         [_id] = {                                                       \
  11                 .id = _id,                                              \
  12                 .iobase = soc ## _SSI ## _hwid ## _BASE_ADDR,           \
  13                 .iosize = _size,                                        \
  14                 .irq = soc ## _INT_SSI ## _hwid,                        \
  15                 .dmatx0 = soc ## _DMA_REQ_SSI ## _hwid ## _TX0,         \
  16                 .dmarx0 = soc ## _DMA_REQ_SSI ## _hwid ## _RX0,         \
  17                 .dmatx1 = soc ## _DMA_REQ_SSI ## _hwid ## _TX1,         \
  18                 .dmarx1 = soc ## _DMA_REQ_SSI ## _hwid ## _RX1,         \
  19         }
  20
  21 #ifdef CONFIG_SOC_IMX21
  22 const struct imx_imx_ssi_data imx21_imx_ssi_data[] __initconst = {
  23 #define imx21_imx_ssi_data_entry(_id, _hwid)                            \
  24         imx_imx_ssi_data_entry(MX21, _id, _hwid, SZ_4K)
  25         imx21_imx_ssi_data_entry(0, 1),
  26         imx21_imx_ssi_data_entry(1, 2),
  27 };
  28 #endif /* ifdef CONFIG_SOC_IMX21 */
  29
  30 #ifdef CONFIG_SOC_IMX27
  31 const struct imx_imx_ssi_data imx27_imx_ssi_data[] __initconst = {
  32 #define imx27_imx_ssi_data_entry(_id, _hwid)                            \
  33         imx_imx_ssi_data_entry(MX27, _id, _hwid, SZ_4K)
  34         imx27_imx_ssi_data_entry(0, 1),
  35         imx27_imx_ssi_data_entry(1, 2),
  36 };
  37 #endif /* ifdef CONFIG_SOC_IMX27 */
  38
  39 #ifdef CONFIG_SOC_IMX31
  40 const struct imx_imx_ssi_data imx31_imx_ssi_data[] __initconst = {
  41 #define imx31_imx_ssi_data_entry(_id, _hwid)                            \
  42         imx_imx_ssi_data_entry(MX31, _id, _hwid, SZ_4K)
  43         imx31_imx_ssi_data_entry(0, 1),
  44         imx31_imx_ssi_data_entry(1, 2),
  45 };
  46 #endif /* ifdef CONFIG_SOC_IMX31 */
  47
  48 #ifdef CONFIG_SOC_IMX35
  49 const struct imx_imx_ssi_data imx35_imx_ssi_data[] __initconst = {
  50 #define imx35_imx_ssi_data_entry(_id, _hwid)                            \
  51         imx_imx_ssi_data_entry(MX35, _id, _hwid, SZ_4K)
  52         imx35_imx_ssi_data_entry(0, 1),
  53         imx35_imx_ssi_data_entry(1, 2),
  54 };
  55 #endif /* ifdef CONFIG_SOC_IMX35 */
  56
  57 struct platform_device *__init imx_add_imx_ssi(
  58                 const struct imx_imx_ssi_data *data,
  59                 const struct imx_ssi_platform_data *pdata)
  60 {
  61         struct resource res[] = {
  62                 {
  63                         .start = data->iobase,
  64                         .end = data->iobase + data->iosize - 1,
  65                         .flags = IORESOURCE_MEM,
  66                 }, {
  67                         .start = data->irq,
  68                         .end = data->irq,
  69                         .flags = IORESOURCE_IRQ,
  70                 },
  71 #define DMARES(_name) {                                                 \
  72         .name = #_name,                                                 \
  73         .start = data->dma ## _name,                                    \
  74         .end = data->dma ## _name,                                      \
  75         .flags = IORESOURCE_DMA,                                        \
  76 }
  77                 DMARES(tx0),
  78                 DMARES(rx0),
  79                 DMARES(tx1),
  80                 DMARES(rx1),
  81         };
  82
  83         return imx_add_platform_device("imx-ssi", data->id,
  84                         res, ARRAY_SIZE(res),
  85                         pdata, sizeof(*pdata));
  86 }