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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2016-02-02 15:43:14 +0300 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2016-02-22 13:19:51 +0300 |
| commit | f7a3be503f166a08259a983daa7df12b9e149c46 (patch) | |
| tree | 30dbe6271ab9e3eb5d8654d4e6880a6821bbfe0b /arch/arm/mach-davinci | |
| parent | 1ce9300bf723c599c9b60c09e69d18f7a5cd228f (diff) | |
| download | linux-f7a3be503f166a08259a983daa7df12b9e149c46.tar.xz | |
ARM: davinci: dm355: 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>
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/dm355.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index c7c1458df23c..a0ecf499c2f2 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -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[] = { |