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

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Message-ID: <55D571AA.1090102@xilinx.com>
Date:	Thu, 20 Aug 2015 08:20:26 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	Vinod Koul <vinod.koul@...el.com>,
	punnaiah choudary kalluri <punnaia@...inx.com>
CC:	Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@...inx.com>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"michal.simek@...inx.com" <michal.simek@...inx.com>,
	<dan.j.williams@...el.com>, <dmaengine@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Punnaiah Choudary <kpc528@...il.com>
Subject: Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device
 tree binding documentation

On 08/20/2015 08:18 AM, Vinod Koul wrote:
> On Thu, Aug 20, 2015 at 11:41:33AM +0530, punnaiah choudary kalluri wrote:
>>>> +- interrupts: Should contain DMA channel interrupt
>>> channel interrupt or interrupts, former says it is plural
>>
>> ZynqMP DMA has single interrupt for each channel So, that is the reason
>> i have explicitly mentioned it as interrupt ( not interrupts).
>>
>> Please let me know if you still want it to be plural.
> 
> The example had multiple values so plural sounds right
> 

I expect you are talking about this "interrupts = <0 117 4>;"

It is 3 cells format used on ARM based on gic spec which is on SPI
interrupt 117 active high level-sensitive

Documentation/devicetree/bindings/arm/gic.txt

Thanks,
Michal

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