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dt-bindings: dmaengine: xilinx_dma:Add xlnx,axistream-connected property

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Add an optional AXI DMA property 'xlnx,axistream-connected'. This
can be specified to indicate that DMA is connected to a streaming IP
in the hardware design and dma driver needs to do some additional
handling i.e pass metadata and perform streaming IP specific
configuration.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1691387509-2113129-2-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Radhey Shyam Pandey 2023-08-07 11:21:40 +05:30 committed by Vinod Koul
parent c65029b13b
commit 94afcfb819
1 changed files with 4 additions and 0 deletions
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Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
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@ -49,6 +49,10 @@ Optional properties for AXI DMA and MCDMA:
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.
Optional properties for AXI DMA:
- xlnx,axistream-connected: Tells whether DMA is connected to AXI stream IP.
Optional properties for VDMA:
- xlnx,flush-fsync: Tells which channel to Flush on Frame sync.
It takes following values: