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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2016-02-02 15:43:16 +0300 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2016-02-22 13:23:34 +0300 |
| commit | a4f86c55b9429b220d2c130f8b7ebb6e2ea6c727 (patch) | |
| tree | 0f605c0b0fff9121979054ad5b2e8978dfc6b515 /arch/arm/mach-davinci | |
| parent | 0c750e1fe481d0e3cb25d7447af6791d0ef93c2f (diff) | |
| download | linux-a4f86c55b9429b220d2c130f8b7ebb6e2ea6c727.tar.xz | |
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>
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index b28071ae3a57..b4b3a8b9ca20 100644 --- 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[] = { |