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TCA8418 i2c keyscan

linux linuxer
Prodigy 20 points
Other Parts Discussed in Thread: TCA8418, AM3359

Hi everybody....

                         I am working with TI beaglebone AM3359 processor for keyboard interfacing with TCA8418.

                 i am unable to get gpio interrupt pin num from AM3359 for i2c  communication. where this pin is declared  our header file(kernel 3.2.0 ) and how to comunicate i2c with AM3359 processor. pls explain with the steps.