ARM: davinci: dm646x: Add dma_slave_map to edma
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Tue, 2 Feb 2016 12:43:17 +0000 (14:43 +0200)
committerSekhar Nori <nsekhar@ti.com>
Mon, 22 Feb 2016 10:25:27 +0000 (15:55 +0530)
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: fix typos in code]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
arch/arm/mach-davinci/dm646x.c

index cf80786e24714a76a5eeca9fa85b3fdc7c6bd789..a43db0f5fbaa7ba33202eff406ab37a92765b48e 100644 (file)
@@ -9,6 +9,7 @@
  * or implied.
  */
 #include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/serial_8250.h>
@@ -540,9 +541,19 @@ static s8 dm646x_queue_priority_mapping[][2] = {
        {-1, -1},
 };
 
+static const struct dma_slave_map dm646x_edma_map[] = {
+       { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },
+       { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },
+       { "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },
+       { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
+       { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
+};
+
 static struct edma_soc_info dm646x_edma_pdata = {
        .queue_priority_mapping = dm646x_queue_priority_mapping,
        .default_queue          = EVENTQ_1,
+       .slave_map              = dm646x_edma_map,
+       .slavecnt               = ARRAY_SIZE(dm646x_edma_map),
 };
 
 static struct resource edma_resources[] = {
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