linux-kernel - Re: [PATCH] ARM: kirkwood: extend the kirkwood pcm/dma driver for DT usage

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Message-ID: <20130723125756.GZ9858@sirena.org.uk>
Date:	Tue, 23 Jul 2013 13:57:56 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Jean-Francois Moine <moinejf@...e.fr>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Rob Herring <rob.herring@...xeda.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...r.kernel.org
Subject: Re: [PATCH] ARM: kirkwood: extend the kirkwood pcm/dma driver for DT
 usage

On Tue, Jul 23, 2013 at 10:46:41AM +0200, Jean-Francois Moine wrote:

> +- compatible: "marvell,mvebu-pcm-audio"
> +
> +Example:
> +
> +pcm: pcm {
> +	compatible = "marvell,mvebu-pcm-audio";
> +};

This device has no registers or other hardware - this looks like a stub
device which shouldn't be visible in DT but should instead be created by
the I2S driver - look at how most of the other DT platforms using
dmaengine work.

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