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Commit e4243f13 authored Feb 21, 2011 by Shawn Guo Committed by Chris Ball Mar 15, 2011

mmc: mxs-mmc: add mmc host driver for i.MX23/28



This adds the mmc host driver for Freescale MXS-based SoC i.MX23/28.
The driver calls into mxs-dma via generic dmaengine api for both pio
and data transfer.

Thanks Chris Ball for the indentation patch.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>

parent 8154b575

arch/arm/mach-mxs/include/mach/mmc.h

0 → 100644

+18 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* 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.
			*/

			#ifndef __MACH_MXS_MMC_H__
			#define __MACH_MXS_MMC_H__

			struct mxs_mmc_platform_data {
			int wp_gpio; /* write protect pin */
			unsigned int flags;
			#define SLOTF_4_BIT_CAPABLE (1 << 0)
			#define SLOTF_8_BIT_CAPABLE (1 << 1)
			};
			#endif /* __MACH_MXS_MMC_H__ */

drivers/mmc/host/Kconfig

+9 −0

Original line number	Original line	Diff line number	Diff line
	@@ -319,6 +319,15 @@ config MMC_MXC

	If unsure, say N.		If unsure, say N.

			config MMC_MXS
			tristate "Freescale MXS Multimedia Card Interface support"
			depends on ARCH_MXS && MXS_DMA
			help
			This selects the Freescale SSP MMC controller found on MXS based
			platforms like mx23/28.

			If unsure, say N.

	config MMC_TIFM_SD		config MMC_TIFM_SD
	tristate "TI Flash Media MMC/SD Interface support (EXPERIMENTAL)"		tristate "TI Flash Media MMC/SD Interface support (EXPERIMENTAL)"
	depends on EXPERIMENTAL && PCI		depends on EXPERIMENTAL && PCI

drivers/mmc/host/Makefile

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -6,6 +6,7 @@ obj-$(CONFIG_MMC_ARMMMCI) += mmci.o
	obj-$(CONFIG_MMC_PXA) += pxamci.o		obj-$(CONFIG_MMC_PXA) += pxamci.o
	obj-$(CONFIG_MMC_IMX) += imxmmc.o		obj-$(CONFIG_MMC_IMX) += imxmmc.o
	obj-$(CONFIG_MMC_MXC) += mxcmmc.o		obj-$(CONFIG_MMC_MXC) += mxcmmc.o
			obj-$(CONFIG_MMC_MXS) += mxs-mmc.o
	obj-$(CONFIG_MMC_SDHCI) += sdhci.o		obj-$(CONFIG_MMC_SDHCI) += sdhci.o
	obj-$(CONFIG_MMC_SDHCI_PCI) += sdhci-pci.o		obj-$(CONFIG_MMC_SDHCI_PCI) += sdhci-pci.o
	obj-$(CONFIG_MMC_SDHCI_PXA) += sdhci-pxa.o		obj-$(CONFIG_MMC_SDHCI_PXA) += sdhci-pxa.o

drivers/mmc/host/mxs-mmc.c

0 → 100644

+874 −0

File added.

Preview size limit exceeded, changes collapsed.