Interrupts over GPIO BPI-R64

Banana Pi BPI-R4/BPI-R3 Mini/BPI-R3/BPI-R64/BPI-R2 OpenWRT
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Greetings, Can someone tell me how to use interrupts over GPIO?,

I want to execute a routine (program) wen a signal have state high, I was searching how to do that but I don’t find out. I wondered if you can tell me how to do interruptions over a specific GPIO pin on BPI-R64.

Thanks.