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Configure/use GPIO pins for T2081 processor

Question asked by Francesco Caiazzo on Sep 25, 2017
Latest reply on Sep 25, 2017 by Pavel Chubakov


I'm using a custom board based on T2081 processor.

I need to create a driver that controls 4 GPIO lines as inputs and 4 as output.

The problem I'm facing is that, despite I can control GPIO lines on command line with echo command, I can't find the library necessary to make use of C callable instructions to configure and use them.

I'm looking within toolchain include folders and found some files to include (consumer/driver/machine .h in /include/linux/gpio directory), but I'm facing a lot of problems to compile the project.

Is there any other source file I need to use? Are these files correct?