Re: [PATCH 0/3] crypto: sahara: Add support for SAHARA in i.MX27.

[Sascha Hauer <s.hauer@pengutronix.de>]

On Thu, Feb 21, 2013 at 02:40:59PM +0000, Arnd Bergmann wrote:
> On Thursday 21 February 2013, javier Martin wrote:
> > We know about the existence of DT and the constant migration process
> > that is taking place towards it.
> > 
> > Moreover we are strongly interested in converting the Visstrim SM10
> > platform to DT. Unfortunately, there are several issues that need to
> > be solved so that Visstrim M10 can be fully converted to DT:
> > - full SoC camera DT support
> > - DT support for ov7670
> > - pinctrl support for i.MX27
> 
> Ok, I see. Full device tree support is certainly asking too much then.
> 
> > Furthermore, we have limited resources at the moment and we have to
> > decide priorities. But having an hybrid platform-DT support is our
> > next task for Visstrim M10.
> 
> Ok, cool.
> 
> > However, I understand your concern about new drivers having DT
> > support. Maybe a good approach could be that I added compile-tested
> > only DT support for this driver and remove platform support for
> > mainline submission (although we maintain it internally in our
> > repositories).
> > 
> > What do you think?
> 
> Sounds good. Since it sounds like the hardware is available in all
> imx27 device, maybe someone else can test your driver on an imx27
> board that already has partial DT support when you add it to
> arch/arm/boot/dts/imx27.dtsi?
> 
> Is there any reason why an imx27 based board would not support this
> driver? Are there any other chips that could use it, e.g. imx25 or
> imx6?

Neither i.MX25, i.MX31 nor i.MX21 have this unit. I haven't checked the
others, but I assume this is i.MX27 only.

Sascha

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