LXR linux/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
  22const 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
  31const 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
  40const 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
  49const 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
  57struct 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}
  87