ARM: davinci: dm355: Add dma_slave_map to edma
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Tue, 2 Feb 2016 12:43:14 +0000 (14:43 +0200)
committerSekhar Nori <nsekhar@ti.com>
Mon, 22 Feb 2016 10:19:51 +0000 (15:49 +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: typo fixes in code]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
arch/arm/mach-davinci/dm355.c

index c7c1458df23cfbf306fffe2bfe1a0b2c5646c817..a0ecf499c2f227df04749df7cf477f5ae54a15d7 100644 (file)
@@ -13,6 +13,7 @@
 #include <linux/serial_8250.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
 #include <linux/spi/spi.h>
 #include <linux/platform_data/edma.h>
 #include <linux/platform_data/gpio-davinci.h>
@@ -576,9 +577,28 @@ static s8 queue_priority_mapping[][2] = {
        {-1, -1},
 };
 
+static const struct dma_slave_map dm355_edma_map[] = {
+       { "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 2) },
+       { "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 3) },
+       { "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 8) },
+       { "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 9) },
+       { "spi_davinci.2", "tx", EDMA_FILTER_PARAM(0, 10) },
+       { "spi_davinci.2", "rx", EDMA_FILTER_PARAM(0, 11) },
+       { "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 14) },
+       { "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 15) },
+       { "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 16) },
+       { "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 17) },
+       { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
+       { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
+       { "dm6441-mmc.1", "rx", EDMA_FILTER_PARAM(0, 30) },
+       { "dm6441-mmc.1", "tx", EDMA_FILTER_PARAM(0, 31) },
+};
+
 static struct edma_soc_info dm355_edma_pdata = {
        .queue_priority_mapping = queue_priority_mapping,
        .default_queue          = EVENTQ_1,
+       .slave_map              = dm355_edma_map,
+       .slavecnt               = ARRAY_SIZE(dm355_edma_map),
 };
 
 static struct resource edma_resources[] = {