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Re: [PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma device tree binding documentation

From Lars-Peter Clausen <lars@metafoo.de>
Newsgroups linux.kernel
Subject Re: [PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma device tree binding documentation
Date 2016-04-27 09:20 +0200
Message-ID <rsrVo-5zE-17@gated-at.bofh.it> (permalink)
References <rsrLH-5uN-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 04/27/2016 09:05 AM, Kedareswara rao Appana wrote:
[...]
> +- xlnx,include-sg	: Indicates the controller to operate in simple or
> +			  scatter gather dma mode
> +- xlnx,ratectrl		: Scheduling interval in terms of clock cycles for
> +			  source AXI transaction
> +- xlnx,overfetch	: Tells whether the channel is allowed to over
> +			  fetch the data
> +- xlnx,src-issue	: Number of AXI outstanding transactions on source side
> +- xlnx,src-burst-len	: AXI length for data read. Support only power of
> +			  2 byte values.
> +- xlnx,dst-burst-len	: AXI length for data write. Support only power of

These are all software runtime configuration parameters that you'd want to
change at runtime depending on which peripheral you are targeting with a
specific DMA transfer. These really do not belong into the devicetree.

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[PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma device tree binding documentation Kedareswara rao Appana <appana.durga.rao@xilinx.com> - 2016-04-27 09:10 +0200
  Re: [PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma  device tree binding documentation Lars-Peter Clausen <lars@metafoo.de> - 2016-04-27 09:20 +0200
    RE: [PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma  device tree binding documentation Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-04-27 09:40 +0200
      Re: [PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma  device tree binding documentation Lars-Peter Clausen <lars@metafoo.de> - 2016-04-27 14:50 +0200
        RE: [PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma  device tree binding documentation Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-04-28 11:10 +0200
          Re: [PATCH v7 1/2] Documentation: DT: dma: Add Xilinx zynqmp dma  device tree binding documentation Lars-Peter Clausen <lars@metafoo.de> - 2016-04-28 11:20 +0200

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