Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / arm / mach-imx / devices / platform-sdhci-esdhc-imx.c
1 /*
2  * Copyright (C) 2010 Pengutronix, Wolfram Sang <kernel@pengutronix.de>
3  *
4  * This program is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU General Public License version 2 as published by the
6  * Free Software Foundation.
7  */
8
9 #include <linux/platform_data/mmc-esdhc-imx.h>
10
11 #include "../hardware.h"
12 #include "devices-common.h"
13
14 #define imx_sdhci_esdhc_imx_data_entry_single(soc, _devid, _id, hwid) \
15         {                                                               \
16                 .devid = _devid,                                        \
17                 .id = _id,                                              \
18                 .iobase = soc ## _ESDHC ## hwid ## _BASE_ADDR,  \
19                 .irq = soc ## _INT_ESDHC ## hwid,                       \
20         }
21
22 #define imx_sdhci_esdhc_imx_data_entry(soc, devid, id, hwid)    \
23         [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, devid, id, hwid)
24
25 #ifdef CONFIG_SOC_IMX25
26 const struct imx_sdhci_esdhc_imx_data
27 imx25_sdhci_esdhc_imx_data[] __initconst = {
28 #define imx25_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
29         imx_sdhci_esdhc_imx_data_entry(MX25, "sdhci-esdhc-imx25", _id, _hwid)
30         imx25_sdhci_esdhc_imx_data_entry(0, 1),
31         imx25_sdhci_esdhc_imx_data_entry(1, 2),
32 };
33 #endif /* ifdef CONFIG_SOC_IMX25 */
34
35 #ifdef CONFIG_SOC_IMX35
36 const struct imx_sdhci_esdhc_imx_data
37 imx35_sdhci_esdhc_imx_data[] __initconst = {
38 #define imx35_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
39         imx_sdhci_esdhc_imx_data_entry(MX35, "sdhci-esdhc-imx35", _id, _hwid)
40         imx35_sdhci_esdhc_imx_data_entry(0, 1),
41         imx35_sdhci_esdhc_imx_data_entry(1, 2),
42         imx35_sdhci_esdhc_imx_data_entry(2, 3),
43 };
44 #endif /* ifdef CONFIG_SOC_IMX35 */
45
46 static const struct esdhc_platform_data default_esdhc_pdata __initconst = {
47         .wp_type = ESDHC_WP_NONE,
48         .cd_type = ESDHC_CD_NONE,
49 };
50
51 struct platform_device *__init imx_add_sdhci_esdhc_imx(
52                 const struct imx_sdhci_esdhc_imx_data *data,
53                 const struct esdhc_platform_data *pdata)
54 {
55         struct resource res[] = {
56                 {
57                         .start = data->iobase,
58                         .end = data->iobase + SZ_16K - 1,
59                         .flags = IORESOURCE_MEM,
60                 }, {
61                         .start = data->irq,
62                         .end = data->irq,
63                         .flags = IORESOURCE_IRQ,
64                 },
65         };
66
67         /*
68          * If machine does not provide pdata, use the default one
69          * which means no WP/CD support
70          */
71         if (!pdata)
72                 pdata = &default_esdhc_pdata;
73
74         return imx_add_platform_device(data->devid, data->id, res,
75                         ARRAY_SIZE(res), pdata, sizeof(*pdata));
76 }