Re: Using GPIO?

From: Dan Kegel (dank-news_at_kegel.com)
Date: 05/14/04

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    Date: Fri, 14 May 2004 15:50:44 GMT

    Martin Egholm Nielsen wrote:
    > Can't anybody point me in the right direction regarding usage of GPIO
    > ports under Linux?
    > I'm running on a PPC405EP, and when the kernel initialises, I get the
    > messages:
    >
    > IBM gpio driver version 07.25.02
    > GPIO #0 at 0xc3070700
    >
    > Hence the "ibm_ocp_gpio.c"/"ibm_gpio_miscdev" module gets loaded.
    > However, I then though the GPIO would be available through a
    > "/dev/gpio"-device, but this does not exist.

    Which version of the kernel are you using, and where did you get it?

    You should probably ask this question at
    http://lists.linuxppc.org/linuxppc-embedded/
    after reviewing the archives there.

    - Dan

  • Next message: Dan Kegel: "Re: gcj crosscompiler for ppc (405)?"

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