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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2016-02-02 15:43:17 +0300 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2016-02-22 13:25:27 +0300 |
| commit | 2137d54d1643c1dcb1ff919f169b4542669a372e (patch) | |
| tree | 205e78e08032b22027d609482dbe4dddbfbb0c18 /arch/arm/mach-davinci | |
| parent | a4f86c55b9429b220d2c130f8b7ebb6e2ea6c727 (diff) | |
| download | linux-2137d54d1643c1dcb1ff919f169b4542669a372e.tar.xz | |
ARM: davinci: dm646x: 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: fix typos in code]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/dm646x.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index cf80786e2471..a43db0f5fbaa 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -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[] = { |