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ARM: davinci: dm644x: Add dma_slave_map to edma

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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>
This commit is contained in:
Peter Ujfalusi 2016-02-02 14:43:16 +02:00 committed by Sekhar Nori
parent 0c750e1fe4
commit a4f86c55b9
1 changed files with 12 additions and 0 deletions
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12
arch/arm/mach-davinci/dm644x.c
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@ -11,6 +11,7 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/serial_8250.h> #include <linux/serial_8250.h>
#include <linux/dmaengine.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/platform_data/edma.h> #include <linux/platform_data/edma.h>
#include <linux/platform_data/gpio-davinci.h> #include <linux/platform_data/gpio-davinci.h>
@ -505,9 +506,20 @@ static s8 queue_priority_mapping[][2] = {
{-1, -1}, {-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 = { static struct edma_soc_info dm644x_edma_pdata = {
.queue_priority_mapping = queue_priority_mapping, .queue_priority_mapping = queue_priority_mapping,
.default_queue = EVENTQ_1, .default_queue = EVENTQ_1,
.slave_map = dm644x_edma_map,
.slavecnt = ARRAY_SIZE(dm644x_edma_map),
}; };
static struct resource edma_resources[] = { static struct resource edma_resources[] = {