[RFCv2 3/3] ARM: dts: N900: Add SSI information

Sebastian Reichel sre at ring0.de
Mon Sep 16 15:27:22 EDT 2013


On Mon, Sep 16, 2013 at 09:10:32PM +0300, Aaro Koskinen wrote:
> 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.

OK. I've checked the N950 kernel from [0] and it uses the same data.
I will move the data from omap34xx.dtsi to omap3.dtsi in the next
RFC.

Thanks for the hint.

[0] https://github.com/nemomobile/kernel-adaptation-n950-n9/

-- Sebastian
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