linux-kernel - Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation

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Date:	Thu, 20 Aug 2015 11:22:55 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@...inx.com>
Cc:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	michal.simek@...inx.com, dan.j.williams@...el.com,
	dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kalluripunnaiahchoudary@...il.com, kpc528@...il.com,
	Punnaiah Choudary Kalluri <punnaia@...inx.com>
Subject: Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device
 tree binding documentation

On Thu, Aug 06, 2015 at 08:49:32AM +0530, Punnaiah Choudary Kalluri wrote:
> Device-tree binding documentation for Xilinx zynqmp dma engine used in
> Zynq UltraScale+ MPSoC.
> 
> Signed-off-by: Punnaiah Choudary Kalluri <punnaia@...inx.com>
> ---
> Changes in v4:
> - None
> Changes in v3:
> - None
> Changes in v2:
> - None
> ---
>  .../devicetree/bindings/dma/xilinx/zynqmp_dma.txt  |   61 ++++++++++++++++++++
>  1 files changed, 61 insertions(+), 0 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt
> 
> diff --git a/Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt
> new file mode 100644
> index 0000000..e4f92b9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt
> @@ -0,0 +1,61 @@
> +Xilinx ZynqMP DMA engine, it does support memory to memory transfers,
> +memory to device and device to memory transfers. It also has flow
> +control and rate control support for slave/peripheral dma access.
> +
> +Required properties:
> +- compatible: Should be "xlnx,zynqmp-dma-1.0"
> +- #dma-cells: Should be <1>, a single cell holding a line request number
> +- reg: Memory map for module access
> +- interrupt-parent: Interrupt controller the interrupt is routed through
> +- interrupts: Should contain DMA channel interrupt
channel interrupt or interrupts, former says it is plural

-- 
~Vinod

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