linux/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
Shawn Guo 47babe692e ARM: mxs: dynamically allocate mmc device
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
[ukleinek: fix naming to include complete device name in functions]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-03-25 08:36:55 +01:00

74 lines
1.8 KiB
C

/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/init.h>
#include <mach/mx23.h>
#include <mach/mx28.h>
#include <mach/devices-common.h>
#define mxs_mxs_mmc_data_entry_single(soc, _id, hwid) \
{ \
.id = _id, \
.iobase = soc ## _SSP ## hwid ## _BASE_ADDR, \
.dma = soc ## _DMA_SSP ## hwid, \
.irq_err = soc ## _INT_SSP ## hwid ## _ERROR, \
.irq_dma = soc ## _INT_SSP ## hwid ## _DMA, \
}
#define mxs_mxs_mmc_data_entry(soc, _id, hwid) \
[_id] = mxs_mxs_mmc_data_entry_single(soc, _id, hwid)
#ifdef CONFIG_SOC_IMX23
const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst = {
mxs_mxs_mmc_data_entry(MX23, 0, 1),
mxs_mxs_mmc_data_entry(MX23, 1, 2),
};
#endif
#ifdef CONFIG_SOC_IMX28
const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst = {
mxs_mxs_mmc_data_entry(MX28, 0, 0),
mxs_mxs_mmc_data_entry(MX28, 1, 1),
};
#endif
struct platform_device *__init mxs_add_mxs_mmc(
const struct mxs_mxs_mmc_data *data,
const struct mxs_mmc_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_8K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->dma,
.end = data->dma,
.flags = IORESOURCE_DMA,
}, {
.start = data->irq_err,
.end = data->irq_err,
.flags = IORESOURCE_IRQ,
}, {
.start = data->irq_dma,
.end = data->irq_dma,
.flags = IORESOURCE_IRQ,
},
};
return mxs_add_platform_device("mxs-mmc", data->id,
res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}