Configure pin as interrupt

I’m trying to setup a Jetson Nano 4GB devkit with a STPM4raspi extension board using yocto and the meta-tegra layer.
The tpm driver seems to be loading fine but the communication doesn’t seem to work. I configured SPI but in the chip documentation there’s also a PIRC on pin 29. My best guess so far is that the PIRC pin is not configured correctly.
I tried to configure it as an interrupt pin using the pinmux configuration excel table but I don’t know how. Is it even possible? Or do I need to patch it manually?

hello Benutzer6297,

please see-also Topic 192147 for GPIO interrupt.

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