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dmaengine: Add driver for IMG MDC 

Add support for the IMG Multi-threaded DMA Controller (MDC) found on
certain IMG SoCs.  Currently this driver supports the variant present
on the MIPS-based Pistachio SoC.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andrew Bresticker 2014-12-11 14:59:17 -08:00 committed by Vinod Koul
parent 91d457dd50
commit 5689ba7fd9
3 changed files with 1021 additions and 0 deletions
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9
drivers/dma/Kconfig
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@ -416,6 +416,15 @@ config NBPFAXI_DMA
help
Support for "Type-AXI" NBPF DMA IPs from Renesas
config IMG_MDC_DMA
tristate "IMG MDC support"
depends on MIPS || COMPILE_TEST
depends on MFD_SYSCON
select DMA_ENGINE
select DMA_VIRTUAL_CHANNELS
help
Enable support for the IMG multi-threaded DMA controller (MDC).
config DMA_ENGINE
bool

1
drivers/dma/Makefile
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@ -50,3 +50,4 @@ obj-y += xilinx/
obj-$(CONFIG_INTEL_MIC_X100_DMA) += mic_x100_dma.o
obj-$(CONFIG_NBPFAXI_DMA) += nbpfaxi.o
obj-$(CONFIG_DMA_SUN6I) += sun6i-dma.o
obj-$(CONFIG_IMG_MDC_DMA) += img-mdc-dma.o

1011
drivers/dma/img-mdc-dma.c Normal file
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