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The AXI MCDMA provides high-bandwidth direct memory access between memory and AXI4-Stream target peripherals. It supports up to 16 independent read/write channels. MCDMA IP supports per channel interrupt output but driver support one interrupt per channel for simplification. IP specification/programming sequence and register description is mentioned in PG [1]. The driver is tested with xilinx internal dmatest client. In end usecase MCDMA will be used by xilinx axiethernet driver using dma API's. [1] https://www.xilinx.com/support/documentation/ip_documentation/axi_mcdma/v1_0/pg288-axi-mcdma.pdf Radhey Shyam Pandey (2): dt-bindings: dmaengine: xilinx_dma: Add binding for Xilinx MCDMA IP dmaengine: xilinx_dma: Add Xilinx AXI MCDMA Engine driver support .../devicetree/bindings/dma/xilinx/xilinx_dma.txt | 10 +- drivers/dma/xilinx/xilinx_dma.c | 449 ++++++++++++++++++++- 2 files changed, 448 insertions(+), 11 deletions(-) -- 2.7.4