Thread (5 messages) flat view 5 messages, 5 authors, 2013-09-16

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

From: Sebastian Reichel <hidden>
Date: 2013-09-16 19:27:56
Also in: linux-devicetree, linux-omap, lkml

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:
quoted
quoted
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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