From: Kumar Gala <galak@kernel.crashing.org>
To: Mark Bishop <mark@bish.net>
Cc: linuxppc-dev <Linuxppc-dev@ozlabs.org>
Subject: Re: Freescale MPC8313 & SPI
Date: Wed, 25 Feb 2009 08:22:37 -0600 [thread overview]
Message-ID: <19A971C7-A024-4315-993E-3253BDE7094A@kernel.crashing.org> (raw)
In-Reply-To: <20090224201936.jlryqrul6owwc0sg@www.bish.net>
On Feb 24, 2009, at 7:19 PM, Mark Bishop wrote:
> I am trying to understand more about how to talk to different spi
> chips using the MPC8313. The documentation that comes with the
> development board is really lacking and I am relying on the /usr/src/
> linux/Documentaion/spi. However, I still can't seem to answer my
> questions.
>
> 1) Which device do I open up to talk to the bus. I would use
> something like /dev/ttyS0 for a serial port, and I assume it would
> be /dev/spidev.0 and I would have to make it manually using mknod -
> but what ties the /dev/spidev.0 to the actual chip driver? Is there
> something I have to do in addition to mknod?
>
> 2) I would be looking for a few examples on how to talk to a SPI bus
> as well. I've looked at spidev_test.c and I would like to see
> another example or two.
This question might be better asked on the spi-devel list.
https://lists.sourceforge.net/lists/listinfo/spi-devel-general
- k
prev parent reply other threads:[~2009-02-25 14:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-25 1:19 Freescale MPC8313 & SPI Mark Bishop
2009-02-25 14:22 ` Kumar Gala [this message]
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