mmc: Blackfin SD Host Controller Driver

Add SD host driver for Blackfin BF54x and BF51x.

[akpm@linux-foundation.org: fix layout, c99 warning]
Signed-off-by: Cliff Cai <cliffcai.sh@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 84ec1fa46a41..9d405b181781 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -365,3 +365,22 @@ config MMC_VIA_SDMMC
           If you have a controller with this interface, say Y or M here.
 
           If unsure, say N.
+
+config SDH_BFIN
+        tristate "Blackfin Secure Digital Host support"
+        depends on MMC && ((BF54x && !BF544) || (BF51x && !BF512))
+        help
+          If you say yes here you will get support for the Blackfin on-chip
+          Secure Digital Host interface.  This includes support for MMC and
+          SD cards.
+
+          To compile this driver as a module, choose M here: the
+          module will be called bfin_sdh.
+
+          If unsure, say N.
+
+config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
+        bool "Blackfin EZkit Missing SDH_CMD Pull Up Resistor Workaround"
+        depends on SDH_BFIN
+        help
+          If you say yes here SD-Cards may work on the EZkit.