Freescale MPC8313 & SPI
galak at kernel.crashing.org
Thu Feb 26 01:22:37 EST 2009
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
> 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.
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