linux-kernel - Re: [PATCH v2 1/2] dma: Add Xilinx Central DMA DT Binding Documentation

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Date:	Mon, 18 Aug 2014 15:07:08 +0530
From:	Srikanth Thokala <sthokal@...inx.com>
To:	Varka Bhadram <varkabhadram@...il.com>
Cc:	Srikanth Thokala <sthokal@...inx.com>,
	Vinod Koul <vinod.koul@...el.com>,
	"Williams, Dan J" <dan.j.williams@...el.com>,
	Michal Simek <michal.simek@...inx.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Levente Kurusa <levex@...ux.com>,
	Jassi Brar <jassisinghbrar@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	dmaengine@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, devicetree@...r.kernel.org,
	anirudh@...inx.com, svemula@...inx.com
Subject: Re: [PATCH v2 1/2] dma: Add Xilinx Central DMA DT Binding Documentation

Hi Varka Bhadram,

On Tue, Aug 5, 2014 at 5:29 PM, Varka Bhadram <varkabhadram@...il.com> wrote:
> On 08/05/2014 05:09 PM, Srikanth Thokala wrote:
>>
>> Device-tree binding documentation of Xilinx Central DMA Engine
>>
>> Signed-off-by: Srikanth Thokala <sthokal@...inx.com>
>> ---
>> Changes in v2:
>> - Change property 'xlnx,data-width' to 'xlnx,datawidth' in the description
>>    to match the implementation.
>>
>> ---
>>   .../devicetree/bindings/dma/xilinx/xilinx_cdma.txt |   54
>> ++++++++++++++++++++
>>   1 file changed, 54 insertions(+)
>>   create mode 100644
>> Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt
>>
>> diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt
>> b/Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt
>> new file mode 100644
>> index 0000000..b04f76b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt
>> @@ -0,0 +1,54 @@
>> +Xilinx AXI CDMA engine, it does transfers between memory-mapped source
>> +address and a memory-mapped destination address.
>> +
>> +Required properties:
>> +- compatible: Should be "xlnx,axi-cdma-1.00.a"
>> +- #dma-cells: Should be <1>, see "dmas" property below
>> +- reg: Should contain cdma registers location and length.
>> +- dma-channel child node: Should have only one channel
>> +
>> +
>
>
> proper alignment for all the properties...
> Required properties:
> - compatible    : Should be "xlnx,axi-cdma-1.00.a"
>
> - #dma-cells    : Should be <1>, see "dmas" property below
> - reg           : Should contain cdma registers location and length.
> .....

I would like to change, but is it documented anywhere? Because, I didn't
receive any such comments on other drivers, so I am just wondering.

Thanks
Srikanth

>
>
>
> --
> Regards,
> Varka Bhadram.
>
> --
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