[Buildroot] GPIO
Peter Korsgaard
jacmet at uclibc.org
Thu Oct 21 08:43:19 UTC 2010
>>>>> "Johnny" == Johnny Beardsmore <jny0 at hotmail.com> writes:
Johnny> Hi,
Johnny> I product I worked on a while ago has returned to haunt me.
Johnny> Essentially, I need support for a GPIO port on a pc-104. I've
Johnny> perused the configuration settings in Buioldroot, but wasn't
Johnny> able to spot anything that looked suitable. Is it, and has
Johnny> anyone any experience with doing so?
That's a kernel question rather than an issue about userspace rootfs
configuration.
Have a look at the gpio options in the kernel and Documentation/gpio.txt
in the kernel sources for information of how to access them through
sysfs.
--
Bye, Peter Korsgaard
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