ARM: add DMA support to sh7372, enable DMA for SDHI

This adds DMA support for the sh7372 sh-mobile ARM core, using the shdma
dmaengine driver, and uses DMA for the SDHI SD-card controller on this SoC.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 353ff8d120b1..5c41b958e022 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -24,6 +24,7 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
+#include <linux/mfd/sh_mobile_sdhi.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
@@ -231,6 +232,11 @@ static struct platform_device keysc_device = {
 };
 
 /* SDHI0 */
+static struct sh_mobile_sdhi_info sdhi0_info = {
+        .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
+        .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
+};
+
 static struct resource sdhi0_resources[] = {
         [0] = {
                 .name   = "SDHI0",
@@ -249,6 +255,9 @@ static struct platform_device sdhi0_device = {
         .num_resources  = ARRAY_SIZE(sdhi0_resources),
         .resource       = sdhi0_resources,
         .id             = 0,
+        .dev    = {
+                .platform_data  = &sdhi0_info,
+        },
 };
 
 /* USB1 */