[net-next,v5,01/10] dt-bindings: dmaengine: xilinx_dma:Add xlnx,axistream-connected property

Commit Message

Radhey Shyam Pandey Aug. 7, 2023, 5:51 a.m. UTC

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 <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
---
Changes for v5:
- New patch in this series. Just a note that dmaengine series
  was earlier sent as separate series[1] and now it's merged
  with axiethernet series[2].
  [1]: https://lore.kernel.org/all/[e-mail]
  [2]: https://lore.kernel.org/all/[e-mail]
- Switch to amd.com email address.
---
 Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 4 ++++
 1 file changed, 4 insertions(+)

Patch

diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
index d1700a5c36bf..fea5b09a439d 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
@@ -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: