From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [PATCH] ARM: kirkwood: extend the kirkwood pcm/dma driver for DT usage Date: Tue, 23 Jul 2013 14:23:14 +0100 Message-ID: <20130723132314.GU24642@n2100.arm.linux.org.uk> References: <20130723104641.6ee0b9ec@armhf> <20130723125756.GZ9858@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from caramon.arm.linux.org.uk (caramon.arm.linux.org.uk [78.32.30.218]) by alsa0.perex.cz (Postfix) with ESMTP id 1E8F226501B for ; Tue, 23 Jul 2013 15:23:27 +0200 (CEST) Content-Disposition: inline In-Reply-To: <20130723125756.GZ9858@sirena.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Mark Brown Cc: Jean-Francois Moine , alsa-devel@alsa-project.org, Takashi Iwai , linux-kernel@vger.kernel.org, Liam Girdwood , Rob Herring , devicetree-discuss@vger.kernel.org List-Id: alsa-devel@alsa-project.org On Tue, Jul 23, 2013 at 01:57:56PM +0100, Mark Brown wrote: > 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. There is no separate DMA engine on this platform. dmaengine is totally irrelevant to this hardware.