linux-kernel - Re: [RFCv2 3/3] ARM: dts: N900: Add SSI information

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Message-ID: <20130916181032.GB30568@blackmetal.musicnaut.iki.fi>
Date:	Mon, 16 Sep 2013 21:10:32 +0300
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Javier Martinez Canillas <martinez.javier@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Shubhrajyoti Datta <omaplinuxkernel@...il.com>,
	Carlos Chinea <cch.devel@...il.com>,
	Paul Walmsley <paul@...an.com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	Benoît Cousson <bcousson@...libre.com>,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: [RFCv2 3/3] ARM: dts: N900: Add SSI information

Hi,

On Mon, Sep 16, 2013 at 05:01:47PM +0200, Sebastian Reichel wrote:
> > Is the Synchronous Serial Interface (SSI)  only supported by
> > OMAP34xx/OMAP35xx SoC and not by OMAP36xx/OMAP37xx SoC?
> > 
> > I'm asking this since if SSI is supported by both we should add the
> > device nodes in omap3.dtsi instead of omap34xx.dtsi.
> > 
> > I thought that all OMAP3 SoC supported SSI and all OMAP4 SoC supported
> > HSI but I guess I was wrong...
> 
> I just do not know. Information about the SSI core is not included
> in the public OMAP TRM. It only lists the memory space as reserved.
> 
> Thus I only included it in OMAP34xx, which is used in Nokia N900 and
> must support SSI.

I think N9 and N950 (OMAP3630) are using pretty much the same driver.

A.
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