sdhci-of: add support for the wii sdhci controller

Add support for the Secure Digital Host Controller Interface found on the
"Hollywood" chipset of the Nintendo Wii video game console.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index d923464..ce1d288 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -55,7 +55,7 @@
 	  has the effect of scrambling the addresses and formats of data
 	  accessed in sizes other than the datum size.
 
-	  This is the case for the Freescale eSDHC.
+	  This is the case for the Freescale eSDHC and Nintendo Wii SDHCI.
 
 config MMC_SDHCI_PCI
 	tristate "SDHCI support on PCI bus"
@@ -103,6 +103,17 @@
 
 	  If unsure, say N.
 
+config MMC_SDHCI_OF_HLWD
+	bool "SDHCI OF support for the Nintendo Wii SDHCI controllers"
+	depends on MMC_SDHCI_OF
+	select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
+	help
+	  This selects the Secure Digital Host Controller Interface (SDHCI)
+	  found in the "Hollywood" chipset of the Nintendo Wii video game
+	  console.
+
+	  If unsure, say N.
+
 config MMC_SDHCI_PLTFM
 	tristate "SDHCI support on the platform specific bus"
 	depends on MMC_SDHCI