Root/arch/arm/plat-samsung/dev-hsmmc3.c

1/* linux/arch/arm/plat-samsung/dev-hsmmc3.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
5 *
6 * Copyright (c) 2008 Simtec Electronics
7 * Ben Dooks <ben@simtec.co.uk>
8 * http://armlinux.simtec.co.uk/
9 *
10 * Based on arch/arm/plat-samsung/dev-hsmmc1.c
11 *
12 * Samsung device definition for hsmmc device 3
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17*/
18
19#include <linux/kernel.h>
20#include <linux/platform_device.h>
21#include <linux/mmc/host.h>
22
23#include <mach/map.h>
24#include <plat/sdhci.h>
25#include <plat/devs.h>
26
27#define S3C_SZ_HSMMC (0x1000)
28
29static struct resource s3c_hsmmc3_resource[] = {
30    [0] = {
31        .start = S3C_PA_HSMMC3,
32        .end = S3C_PA_HSMMC3 + S3C_SZ_HSMMC - 1,
33        .flags = IORESOURCE_MEM,
34    },
35    [1] = {
36        .start = IRQ_HSMMC3,
37        .end = IRQ_HSMMC3,
38        .flags = IORESOURCE_IRQ,
39    }
40};
41
42static u64 s3c_device_hsmmc3_dmamask = 0xffffffffUL;
43
44struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata = {
45    .max_width = 4,
46    .host_caps = (MMC_CAP_4_BIT_DATA |
47               MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
48    .clk_type = S3C_SDHCI_CLK_DIV_INTERNAL,
49};
50
51struct platform_device s3c_device_hsmmc3 = {
52    .name = "s3c-sdhci",
53    .id = 3,
54    .num_resources = ARRAY_SIZE(s3c_hsmmc3_resource),
55    .resource = s3c_hsmmc3_resource,
56    .dev = {
57        .dma_mask = &s3c_device_hsmmc3_dmamask,
58        .coherent_dma_mask = 0xffffffffUL,
59        .platform_data = &s3c_hsmmc3_def_platdata,
60    },
61};
62
63void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd)
64{
65    struct s3c_sdhci_platdata *set = &s3c_hsmmc3_def_platdata;
66
67    set->cd_type = pd->cd_type;
68    set->ext_cd_init = pd->ext_cd_init;
69    set->ext_cd_cleanup = pd->ext_cd_cleanup;
70    set->ext_cd_gpio = pd->ext_cd_gpio;
71    set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
72
73    if (pd->max_width)
74        set->max_width = pd->max_width;
75    if (pd->cfg_gpio)
76        set->cfg_gpio = pd->cfg_gpio;
77    if (pd->cfg_card)
78        set->cfg_card = pd->cfg_card;
79    if (pd->host_caps)
80        set->host_caps |= pd->host_caps;
81    if (pd->clk_type)
82        set->clk_type = pd->clk_type;
83}
84

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