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authorShawn Guo <shawn.guo@freescale.com>2011-02-21 18:35:28 +0800
committerChris Ball <cjb@laptop.org>2011-03-15 13:49:37 -0400
commite4243f13d10e5fbe2b84e211dcac3bc6e0792167 (patch)
treeb341d503e6619e862d8fd153a2633cace4a36a18 /arch/arm
parent8154b5756d3cb850f846ff38cf35cbbb7c2b45fe (diff)
downloadop-kernel-dev-e4243f13d10e5fbe2b84e211dcac3bc6e0792167.zip
op-kernel-dev-e4243f13d10e5fbe2b84e211dcac3bc6e0792167.tar.gz
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-mxs/include/mach/mmc.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/include/mach/mmc.h b/arch/arm/mach-mxs/include/mach/mmc.h
new file mode 100644
index 0000000..211547a
--- /dev/null
+++ b/arch/arm/mach-mxs/include/mach/mmc.h
@@ -0,0 +1,18 @@
+/*
+ * 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__ */
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