Add an optional 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 <[email protected]>
---
Changes for v2:
- Rename xlnx,axieth-connected to xlnx,axistream-connected to
make it generic.
---
Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
index 325aca52cd43..f5f23a4a4467 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
@@ -49,6 +49,8 @@ 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.
+- 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:
--
2.7.4
On Fri, 09 Apr 2021 23:25:59 +0530, Radhey Shyam Pandey wrote:
> Add an optional 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 <[email protected]>
> ---
> Changes for v2:
> - Rename xlnx,axieth-connected to xlnx,axistream-connected to
> make it generic.
> ---
> Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
Acked-by: Rob Herring <[email protected]>