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Q&A How i can disable GPIO request for Push Buttons(PB1 PB2 PB3 PB4 on BF548)

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How i can disable GPIO request for Push Buttons(PB1 PB2 PB3 PB4 on BF548)

ADIApproved

on Aug 30, 2011

HI

I have a BF548 ezkit andI am using the latest trunk kernel/uboot/filesystem ( 2010R1 ).

How i can disable GPIO request for Push Buttons(PB1 PB2 PB3 PB4 on BF548) from uClinux kernel ?

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0 ADIApproved

on Oct 12, 2011 6:14 AM
Acquire these GPIO at early kernel boot up by your own code. Look GPIO PIN can't be marked P_UNDEF. So, you only choice is to acquire early by yourself.
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0 ADIApproved

on Oct 12, 2011 6:14 AM
Acquire these GPIO at early kernel boot up by your own code. Look GPIO PIN can't be marked P_UNDEF. So, you only choice is to acquire early by yourself.
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