linux-kernel - Re: [PATCH v4 3/7] Documentation: DT: update atmel SSC with DMA binding

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Message-ID: <20130709150543.GE27646@sirena.org.uk>
Date:	Tue, 9 Jul 2013 16:05:43 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Richard Genoud <richard.genoud@...il.com>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, Bo Shen <voice.shen@...el.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH v4 3/7] Documentation: DT: update atmel SSC with DMA
 binding

On Tue, Jul 09, 2013 at 04:25:29PM +0200, Richard Genoud wrote:

>  - reg: Should contain SSC registers location and length
>  - interrupts: Should contain SSC interrupt
> +For dma transfer:
> +- dmas: DMA specifier, consisting of a phandle to DMA controller node,
> +  the memory interface and SSC DMA channel ID (for tx and rx).
> +  See Documentation/devicetree/bindings/dma/atmel-dma.txt for details.
> +- dma-names: Must be "tx", "rx".

This is added as a required property so...

> -Example:
> +Examples:
>  ssc0: ssc@...bc000 {
>  	compatible = "atmel,at91rm9200-ssc";
>  	reg = <0xfffbc000 0x4000>;
>  	interrupts = <14 4 5>;
>  };

...this first example is now invalid and should probably just be being
extended with the new required properties.

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