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nexedi
linux
Commits
feb59d77
Commit
feb59d77
authored
Mar 12, 2019
by
Vinod Koul
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Merge branch 'topic/xilinx' into for-linus
parents
42cb6e07
c2be36ac
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Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
+4
-3
drivers/dma/xilinx/xilinx_dma.c
drivers/dma/xilinx/xilinx_dma.c
+100
-70
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Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
View file @
feb59d77
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@@ -37,10 +37,11 @@ Required properties:
Required properties for VDMA:
- xlnx,num-fstores: Should be the number of framebuffers as configured in h/w.
Optional properties:
- xlnx,include-sg: Tells configured for Scatter-mode in
the hardware.
Optional properties for AXI DMA:
- xlnx,sg-length-width: Should be set to the width in bits of the length
register as configured in h/w. Takes values {8...26}. If the property
is missing or invalid then the default value 23 is used. This is the
maximum value that is supported by all IP versions.
- xlnx,mcdma: Tells whether configured for multi-channel mode in the hardware.
Optional properties for VDMA:
- xlnx,flush-fsync: Tells which channel to Flush on Frame sync.
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drivers/dma/xilinx/xilinx_dma.c
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feb59d77
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