mmc: add sdhci-tegra driver for Tegra SoCs

SDHCI driver for Tegra. This driver plugs in as a new variant of
sdhci-pltfm, using the platform data structure passed in to specify the
GPIOs to use for card detect, write protect and card power enablement.

Original driver (of which only the header file is left):
Signed-off-by: Yvonne Yip <y@palm.com>

The rest, which has been rewritten by now:
Signed-off-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index f8fa9efca8ee..9f47d38dcc7f 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -151,6 +151,16 @@ config MMC_SDHCI_DOVE
 
           If unsure, say N.
 
+config MMC_SDHCI_TEGRA
+        tristate "SDHCI platform support for the Tegra SD/MMC Controller"
+        depends on MMC_SDHCI_PLTFM && ARCH_TEGRA
+        select MMC_SDHCI_IO_ACCESSORS
+        help
+          This selects the Tegra SD/MMC controller. If you have a Tegra
+          platform with SD or MMC devices, say Y or M here.
+
+          If unsure, say N.
+
 config MMC_SDHCI_S3C
         tristate "SDHCI support on Samsung S3C SoC"
         depends on MMC_SDHCI && PLAT_SAMSUNG