linux-kernel - Re: [PATCH 2/5] ARM: tegra: dts: add slink controller dt entry

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Date:	Fri, 19 Oct 2012 09:56:16 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
CC:	Vinod Koul <vinod.koul@...ux.intel.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/5] ARM: tegra: dts: add slink controller dt entry

On 10/19/2012 03:10 AM, Laxman Dewangan wrote:
> On Friday 19 October 2012 04:11 AM, Stephen Warren wrote:
>> On 10/18/2012 04:56 AM, Laxman Dewangan wrote:
>>> Add slink controller details in the dts file of
>>> Tegra20 and Tegra30.
>>> diff --git a/arch/arm/boot/dts/tegra20.dtsi
>>> b/arch/arm/boot/dts/tegra20.dtsi
>>> +    slink@...0d400 {
>>> +        compatible = "nvidia,tegra20-slink";
>>> +        reg =<0x7000d400 0x200>;
>>> +        interrupts =<0 59 0x04>;
>>> +        nvidia,dma-req-sel =<15>;
>

(Oh, you need a space before and after the = in all the lines above)

>> I thought the common DT DMA bindings were going to be in 3.7, and hence
>> we could just use them here rather than inventing another custom
>> property for this purpose?
>
> Adding Vinod here.
> 
> I looked the dma devicetree bingind document and did not found the
> generic binding name. Howvere, for arm-pl330.txt, it is explained as ...

That's not the generic bindings. I guess they didn't get merged then. I
guess we can continue with custom bindings until they are.
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