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| author | Vinod Koul <vkoul@kernel.org> | 2019-03-12 07:35:47 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-03-12 07:35:47 +0100 |
| commit | feb59d77a46d5df93864471ca926b6701479091b (patch) | |
| tree | db58124e49685323e9ccd52d50019cdaf06061b8 /Documentation/devicetree/bindings/dma | |
| parent | Merge branch 'topic/tegra' into for-linus (diff) | |
| parent | dmaengine: xilinx_dma: remove set but not used variable 'tail_segment' (diff) | |
| download | linux-feb59d77a46d5df93864471ca926b6701479091b.tar.xz linux-feb59d77a46d5df93864471ca926b6701479091b.zip | |
Merge branch 'topic/xilinx' into for-linus
Diffstat (limited to 'Documentation/devicetree/bindings/dma')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt index 174af2c45e77..93b6d961dd4f 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt @@ -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. |