arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2010 Pengutronix, Wolfram Sang <kernel@pengutronix.de>
   4  */
   5
   6 #include <linux/platform_data/mmc-esdhc-imx.h>
   7
   8 #include "../hardware.h"
   9 #include "devices-common.h"
  10
  11 #define imx_sdhci_esdhc_imx_data_entry_single(soc, _devid, _id, hwid) \
  12         {                                                               \
  13                 .devid = _devid,                                        \
  14                 .id = _id,                                              \
  15                 .iobase = soc ## _ESDHC ## hwid ## _BASE_ADDR,  \
  16                 .irq = soc ## _INT_ESDHC ## hwid,                       \
  17         }
  18
  19 #define imx_sdhci_esdhc_imx_data_entry(soc, devid, id, hwid)    \
  20         [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, devid, id, hwid)
  21
  22 #ifdef CONFIG_SOC_IMX35
  23 const struct imx_sdhci_esdhc_imx_data
  24 imx35_sdhci_esdhc_imx_data[] __initconst = {
  25 #define imx35_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
  26         imx_sdhci_esdhc_imx_data_entry(MX35, "sdhci-esdhc-imx35", _id, _hwid)
  27         imx35_sdhci_esdhc_imx_data_entry(0, 1),
  28         imx35_sdhci_esdhc_imx_data_entry(1, 2),
  29         imx35_sdhci_esdhc_imx_data_entry(2, 3),
  30 };
  31 #endif /* ifdef CONFIG_SOC_IMX35 */
  32
  33 static const struct esdhc_platform_data default_esdhc_pdata __initconst = {
  34         .wp_type = ESDHC_WP_NONE,
  35         .cd_type = ESDHC_CD_NONE,
  36 };
  37
  38 struct platform_device *__init imx_add_sdhci_esdhc_imx(
  39                 const struct imx_sdhci_esdhc_imx_data *data,
  40                 const struct esdhc_platform_data *pdata)
  41 {
  42         struct resource res[] = {
  43                 {
  44                         .start = data->iobase,
  45                         .end = data->iobase + SZ_16K - 1,
  46                         .flags = IORESOURCE_MEM,
  47                 }, {
  48                         .start = data->irq,
  49                         .end = data->irq,
  50                         .flags = IORESOURCE_IRQ,
  51                 },
  52         };
  53
  54         /*
  55          * If machine does not provide pdata, use the default one
  56          * which means no WP/CD support
  57          */
  58         if (!pdata)
  59                 pdata = &default_esdhc_pdata;
  60
  61         return imx_add_platform_device_dmamask(data->devid, data->id, res,
  62                         ARRAY_SIZE(res), pdata, sizeof(*pdata),
  63                         DMA_BIT_MASK(32));
  64 }