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

javier Martin javier.martin at vista-silicon.com
Thu Feb 21 09:57:31 EST 2013


On 21 February 2013 15:40, Arnd Bergmann <arnd at arndb.de> 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?

Yes, since the module is integrated in i.MX27 that seems the way to go.

> 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?

No, there's no reason for an i.mx27 board not to support this driver
since the module doesn't have any external interfaces.

I think other i.MX chips have similar devices but I am not sure to
what extent they are compatible or not. Probably Sascha Hauer or Shawn
Guo (already in CC) could tell better than me since they have a wider
view on the i.MX range.

Regards.
-- 
Javier Martin
Vista Silicon S.L.
CDTUC - FASE C - Oficina S-345
Avda de los Castros s/n
39005- Santander. Cantabria. Spain
+34 942 25 32 60
www.vista-silicon.com



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