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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-04-09 12:35:49 +0300
committerVinod Koul <vinod.koul@intel.com>2015-05-14 18:19:25 +0300
commita074ae38f859b90bd259f5df43784834b44412d1 (patch)
tree43390e9243cf41eb314b2e941c44287459f8eae4 /drivers/dma/Kconfig
parent8a32222693af0edf4ad0ed2c6c4c9e383fd922dd (diff)
downloadlinux-a074ae38f859b90bd259f5df43784834b44412d1.tar.xz
dmaengine: Add driver for TI DMA crossbar on DRA7x
The DRA7x has more peripherals with DMA requests than the sDMA can handle: 205 vs 127. All DMA requests are routed through the DMA crossbar, which can be configured to route selected incoming DMA requests to specific sDMA request. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/Kconfig')
-rw-r--r--drivers/dma/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index fd7ac13f2574..681651aed320 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -245,6 +245,9 @@ config TI_EDMA
Enable support for the TI EDMA controller. This DMA
engine is found on TI DaVinci and AM33xx parts.
+config TI_DMA_CROSSBAR
+ bool
+
config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
bool
@@ -330,6 +333,7 @@ config DMA_OMAP
depends on ARCH_OMAP
select DMA_ENGINE
select DMA_VIRTUAL_CHANNELS
+ select TI_DMA_CROSSBAR if SOC_DRA7XX
config DMA_BCM2835
tristate "BCM2835 DMA engine support"