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dmaengine: Add Xilinx zynqmp dma engine driver support 

Added the driver for zynqmp dma engine used in Zynq
UltraScale+ MPSoC. This dma controller supports memory to memory
and I/O to I/O buffer transfers.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Kedareswara rao Appana 2016-07-01 17:07:06 +05:30 committed by Vinod Koul
parent 805abc5f2f
commit b0cc417c16
3 changed files with 1153 additions and 0 deletions
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7
drivers/dma/Kconfig
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@ -538,6 +538,13 @@ config XILINX_DMA
AXI DMA engine provides high-bandwidth one dimensional direct AXI DMA engine provides high-bandwidth one dimensional direct
memory access between memory and AXI4-Stream target peripherals. memory access between memory and AXI4-Stream target peripherals.
config XILINX_ZYNQMP_DMA
tristate "Xilinx ZynqMP DMA Engine"
depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
select DMA_ENGINE
help
Enable support for Xilinx ZynqMP DMA controller.
config ZX_DMA config ZX_DMA
tristate "ZTE ZX296702 DMA support" tristate "ZTE ZX296702 DMA support"
depends on ARCH_ZX depends on ARCH_ZX

1
drivers/dma/xilinx/Makefile
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@ -1 +1,2 @@
obj-$(CONFIG_XILINX_DMA) += xilinx_dma.o obj-$(CONFIG_XILINX_DMA) += xilinx_dma.o
obj-$(CONFIG_XILINX_ZYNQMP_DMA) += zynqmp_dma.o

1145
drivers/dma/xilinx/zynqmp_dma.c Normal file
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