nPM1300EK event callback not firing SPHHLD

Hello,

I am using the nPM1300EK connected to a nRF54H20 DK over i2c interface. I am trying out the "one button" sample code (https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/samples/pmic/native/npm1300_one_button/README.html).

The communication is working (I can see the nPM1300's LED flashing) but the event_callback is not triggered when I press the SHPHLD button. I can see that it goes from 5V to 0V, but the callback does not seem to be working. I am using the sample code as it is except from the overlay for the nRF54DK

What can I try to make it work?

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