Broken power key or keyboard, can I still turn it on?

[danielt]

What happened to the active community for this thing?
It's still cool, where are you?

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I'll reverse engineer the keyboard my own self.

You shouldn't have to reverse engineer anything. There are schemattics (although it is also useful to take a look at the device tree to see how the power key is specially handled):
https://wiki.pine64.org/index.php/Pinebo...ifications

Based on the schematic and devicetree, I'm pretty certain the power key is a simple physical button and it bypasses the keyboard controller entirely. There's a signal running directly from the 30 pin connector to the PMIC PWRON pin, I think this is the power key.