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IMX8QXP: tamper pins usage

Question asked by Pierluigi Passaro on Mar 11, 2020
Latest reply on Mar 16, 2020 by igorpadykov

Hi,

I'm interested in using  tamper pins for tamper detection with iMX8QXP in Linux.

In the iMX8QXP Reference Manual I can find several information but nothing usable from kernel/userspace.

The Yocto documentation does not provide specific details but the reference to SECVIO_CAUSE_TAMPER_DETECT violation interrupt in CAAM/SNVS.

Is there any basic documentation with sample usage?

Thanks

Best Regards

Pier

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