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>

diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index b28071a..b4b3a8b 100644 (file)
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/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[] = {