mmc: dw_mmc: Add Synopsys DesignWare mmc host driver.

This adds the mmc host driver for the Synopsys DesignWare mmc
host controller, found in a number of embedded SoC designs.

Signed-off-by: Will Newton <will.newton@imgtec.com>
Reviewed-by: Matt Fleming <matt@console-pimps.org>
Reviewed-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 9f47d38dcc7f..5ec02a536c5d 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -479,6 +479,22 @@ config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
         help
           If you say yes here SD-Cards may work on the EZkit.
 
+config MMC_DW
+        tristate "Synopsys DesignWare Memory Card Interface"
+        depends on ARM
+        help
+          This selects support for the Synopsys DesignWare Mobile Storage IP
+          block, this provides host support for SD and MMC interfaces, in both
+          PIO and external DMA modes.
+
+config MMC_DW_IDMAC
+        bool "Internal DMAC interface"
+        depends on MMC_DW
+        help
+          This selects support for the internal DMAC block within the Synopsys
+          Designware Mobile Storage IP block. This disables the external DMA
+          interface.
+
 config MMC_SH_MMCIF
         tristate "SuperH Internal MMCIF support"
         depends on MMC_BLOCK && (SUPERH || ARCH_SHMOBILE)