arch/arm/plat-samsung/dev-hsmmc2.c

   1 /* linux/arch/arm/plat-s3c/dev-hsmmc2.c
   2  *
   3  * Copyright (c) 2009 Samsung Electronics
   4  * Copyright (c) 2009 Maurus Cuelenaere
   5  *
   6  * Based on arch/arm/plat-s3c/dev-hsmmc1.c
   7  * original file Copyright (c) 2008 Simtec Electronics
   8  *
   9  * S3C series device definition for hsmmc device 2
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14 */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/mmc/host.h>
  19
  20 #include <mach/map.h>
  21 #include <plat/sdhci.h>
  22 #include <plat/devs.h>
  23
  24 #define S3C_SZ_HSMMC    (0x1000)
  25
  26 static struct resource s3c_hsmmc2_resource[] = {
  27         [0] = {
  28                 .start = S3C_PA_HSMMC2,
  29                 .end   = S3C_PA_HSMMC2 + S3C_SZ_HSMMC - 1,
  30                 .flags = IORESOURCE_MEM,
  31         },
  32         [1] = {
  33                 .start = IRQ_HSMMC2,
  34                 .end   = IRQ_HSMMC2,
  35                 .flags = IORESOURCE_IRQ,
  36         }
  37 };
  38
  39 static u64 s3c_device_hsmmc2_dmamask = 0xffffffffUL;
  40
  41 struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata = {
  42         .max_width      = 4,
  43         .host_caps      = (MMC_CAP_4_BIT_DATA |
  44                            MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
  45         .clk_type       = S3C_SDHCI_CLK_DIV_INTERNAL,
  46 };
  47
  48 struct platform_device s3c_device_hsmmc2 = {
  49         .name           = "s3c-sdhci",
  50         .id             = 2,
  51         .num_resources  = ARRAY_SIZE(s3c_hsmmc2_resource),
  52         .resource       = s3c_hsmmc2_resource,
  53         .dev            = {
  54                 .dma_mask               = &s3c_device_hsmmc2_dmamask,
  55                 .coherent_dma_mask      = 0xffffffffUL,
  56                 .platform_data          = &s3c_hsmmc2_def_platdata,
  57         },
  58 };
  59
  60 void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd)
  61 {
  62         struct s3c_sdhci_platdata *set = &s3c_hsmmc2_def_platdata;
  63
  64         set->cd_type = pd->cd_type;
  65         set->ext_cd_init = pd->ext_cd_init;
  66         set->ext_cd_cleanup = pd->ext_cd_cleanup;
  67         set->ext_cd_gpio = pd->ext_cd_gpio;
  68         set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
  69
  70         if (pd->max_width)
  71                 set->max_width = pd->max_width;
  72         if (pd->cfg_gpio)
  73                 set->cfg_gpio = pd->cfg_gpio;
  74         if (pd->cfg_card)
  75                 set->cfg_card = pd->cfg_card;
  76         if (pd->host_caps)
  77                 set->host_caps |= pd->host_caps;
  78         if (pd->clk_type)
  79                 set->clk_type = pd->clk_type;
  80 }