On Mon, Nov 9, 2009 at 8:36 PM, Ravi Shekhar <ravi.shek...@lntemsys.com> wrote: > > > I'm attempting to get SPI to work on my embedded design > that is based on the mpc8313erbd reference board wiht a > 2.6.27 kernel.
Are you able to use a more recent kernel? A lot of work has gone into SPI drivers in the last 5 releases. > I cannot open the SPI device. > Tracing through the kernel code, it looks like the device is > not being found in the DTB file. However there is a > SPI node in there already described. Our boards is a > SPI master, and the device we will attach is a SPI > slave. Could someone elaborate on what is needed in > the DTS file to have our SPI driver work and respond to an > open() call? Look in Documentation/powerpc/dts-bindings/spi-bus.txt. However, the 2.6.27 kernel may not have support for that binding on the mpc8313 SPI bus driver (I'm not sure though, I haven't looked). g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
