ARM: davinci: dm644x: Add dma_slave_map to edma

Provide the dma_slave_map to edma which will allow us to move the drivers
to the new, simpler dmaengine API and we can remove the DMA resources also
for the devices.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[nsekhar@ti.com: typo fixes in code]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/mach-davinci/dm644x.c

@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/serial_8250.h>
+#include <linux/dmaengine.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/edma.h>
 #include <linux/platform_data/gpio-davinci.h>
@@ -505,9 +506,20 @@ static s8 queue_priority_mapping[][2] = {
 	{-1, -1},
 };
 
+static const struct dma_slave_map dm644x_edma_map[] = {
+	{ "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
+	{ "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
+	{ "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
+	{ "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
+	{ "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
+	{ "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
+};
+
 static struct edma_soc_info dm644x_edma_pdata = {
 	.queue_priority_mapping	= queue_priority_mapping,
 	.default_queue		= EVENTQ_1,
+	.slave_map		= dm644x_edma_map,
+	.slavecnt		= ARRAY_SIZE(dm644x_edma_map),
 };
 
 static struct resource edma_resources[] = {