From: "Asier Llano Palacios" <a.llano@usyscom.com>
To: "Txema Lopez" <tlopez@aotek.es>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: mpc5200 and spi bus
Date: Wed, 02 May 2007 10:02:44 +0200 [thread overview]
Message-ID: <1178092964.25579.7.camel@a.llano.llano> (raw)
In-Reply-To: <4631EF88.3060808@aotek.es>
El vie, 27-04-2007 a las 14:41 +0200, Txema Lopez escribi=F3:
> Asier Llano Palacios wrote:
>=20
> >I'm working with the a linux 2.6.20.9 with patches from Sylvain's =
tree.
> >I've been looking the Den'x 2.5.xx SPI support and it seems that it =
is
> >done through GPIOs.=20
> >
> =BF2.5.xx?. I talked about a 2.4.xx version.
>=20
Sorry this was a mistyping. I was pretending to say 2.4.xx.
> >I'd like a native SPI implementation, using the
> >hardware of the MPC5200, because of the performance issue of using a
> >GPIO, because I'd like to use it at full speed.
> >
> >Is it done really with GPIOs? If so, is there any other =
implementation?
> > =20
> >
> Yes, you can use the MPC5200's dedicated SPI (spi-algo-mpc5xxx.c) or =
use=20
> a PSC in SPI codec mode (spi-algo-mpc5xxx-psc.c).
Thank you very much. I don't know where I was looking. I've seen the
code and it seems interesting and easy to port.
> >If it is possible I'd like it to be for 2.6.x.
> > =20
> >
> I don't know nothing about the MPC5200 SPI implementation in the 2.6.x =
> kernel.
>=20
I'll have a look. If don't see anything the code from 2.4.x is good
starting point to port it.
> Best regards,
Thank you very much for the information.=20
=20
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next prev parent reply other threads:[~2007-05-02 8:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-26 13:50 mpc5200 and spi bus Asier Llano Palacios
2007-04-26 14:49 ` Txema Lopez
2007-04-27 10:36 ` Asier Llano Palacios
2007-04-27 12:41 ` Txema Lopez
2007-05-02 8:02 ` Asier Llano Palacios [this message]
2007-05-02 17:36 ` Sascha Hauer
2007-05-02 20:19 ` John Rigby
2007-05-03 10:22 ` Asier Llano Palacios
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