From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Frysinger <vapier.adi@gmail.com>
Subject: Re: SPI controller laying around...
Date: Tue, 15 Mar 2011 15:09:46 -0400
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To: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Cc: linux-embedded@vger.kernel.org

On Tue, Mar 15, 2011 at 11:23, Jean-Francois Dagenais wrote:
> I need to perform some tests and I am in need of any SPI controller I
> could use through the standard SPI master framework of the kernel.
>
> I could perhaps hack the BIOS SPI for example (fool around with the chip
> select and solder some wires to export to a bread board. Or I am sure my
> workstation has one on the motherboard (dell vostro 430) for some odd
> functionnality... but it's not enumerated and probed as an SPI master.
>
> Or maybe even old ethernet cards I have lying around which could be
> hacked?
>
> Or a simple USB-SPI dongle? Anyone knows one that will just plain works
> with the kernel?
>
> Any thoughts?

if you have just 4 GPIOs, you can use the SPI bit banging bus
-mike