Date: Wed, 6 Apr 2016 08:34:51 -0700
From: Vinod Koul <vinod.koul@intel.com>
To: Kedareswara rao Appana <appana.durga.rao@xilinx.com>
Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
        ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
        michal.simek@xilinx.com, soren.brinkmann@xilinx.com,
        dan.j.williams@intel.com, appanad@xilinx.com, moritz.fischer@ettus.com,
        laurent.pinchart@ideasonboard.com, luis@debethencourt.com,
        svemula@xilinx.com, anirudh@xilinx.com, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        dmaengine@vger.kernel.org
Subject: Re: [RESEND PATCH v2 3/6] Documentation: DT: vdma: update binding
 doc for AXI DMA
Message-ID: <20160406153428.GA29770@vkoul-mobl.iind.intel.com>
References: <1459919700-6692-1-git-send-email-appanad@xilinx.com>
 <1459919700-6692-4-git-send-email-appanad@xilinx.com>
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On Wed, Apr 06, 2016 at 10:44:57AM +0530, Kedareswara rao Appana wrote:
> This patch updates the device-tree binding doc for
> adding support for AXI DMA.
> 
> Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
> ---
> Changes for v2:
> ---> Modified commit message as suggested by Vinod.
> ---> Moved the patch to forward in the series as suggested by vinod.
> 
>  .../devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 22 +++++++++++++++++++++-
>  1 file changed, 21 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> index a86737c..5841421 100644
> --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> @@ -3,8 +3,13 @@ It can be configured to have one channel or two channels. If configured
>  as two channels, one is to transmit to the video device and another is
>  to receive from the video device.
>  
> +Xilinx AXI DMA engine, it does transfers between memory and AXI4 stream
> +target devices. It can be configured to have one channel or two channels.
> +If configured as two channels, one is to transmit to the device and another
> +is to receive from the device.
> +
>  Required properties:
> -- compatible: Should be "xlnx,axi-vdma-1.00.a"
> +- compatible: Should be "xlnx,axi-vdma-1.00.a" or "xlnx,axi-dma-1.00.a"
>  - #dma-cells: Should be <1>, see "dmas" property below
>  - reg: Should contain VDMA registers location and length.
>  - xlnx,num-fstores: Should be the number of framebuffers as configured in h/w.
> @@ -59,6 +64,21 @@ axi_vdma_0: axivdma@40030000 {
>  	} ;
>  } ;
>  
> +axi_dma_0: axidma@40400000 {

Why have you ignored Robs comment on this? Ideally you should have posted
these fixed.

> +	compatible = "xlnx,axi-dma-1.00.a";
> +	#dma-cells = <1>;
> +	reg = < 0x40400000 0x10000 >;
> +	dma-channel@40400000 {
> +		compatible = "xlnx,axi-dma-mm2s-channel";
> +		interrupts = < 0 59 4 >;
> +		xlnx,datawidth = <0x40>;
> +	} ;
> +	dma-channel@40400030 {
> +		compatible = "xlnx,axi-dma-s2mm-channel";
> +		interrupts = < 0 58 4 >;
> +		xlnx,datawidth = <0x40>;
> +	} ;
> +} ;
>  
>  * DMA client
>  
> -- 
> 2.1.2
> 

-- 
~Vinod