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Message-ID: <1691387509-2113129-2-git-send-email-radhey.shyam.pandey@amd.com> Date: Mon, 7 Aug 2023 11:21:40 +0530 From: Radhey Shyam Pandey <radhey.shyam.pandey@....com> To: <vkoul@...nel.org>, <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>, <michal.simek@....com>, <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <linux@...linux.org.uk> CC: <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>, <git@....com>, Radhey Shyam Pandey <radhey.shyam.pandey@....com> Subject: [PATCH net-next v5 01/10] dt-bindings: dmaengine: xilinx_dma:Add xlnx,axistream-connected property 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@....com> Acked-by: Rob Herring <robh@...nel.org> --- 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/20221124102745.2620370-1-sarath.babu.naidu.gaddam@amd.com [2]: https://lore.kernel.org/all/20230630053844.1366171-1-sarath.babu.naidu.gaddam@amd.com - Switch to amd.com email address. --- Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 4 ++++ 1 file changed, 4 insertions(+) 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: -- 2.34.1
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