GPIO on the RockPro64 - all pins high?
#2
That's because you didn't set a pull-down biasmode on the GPIOs, which by default I believe leaves them pulled up.

You can set them to pull-down bias with:

Code:
gpioset --bias=pull-down chipnum pinnum=value

There's probably also a way to set this from the device tree, but I don't know it off-hand.

In short, no, you didn't break anything.

Pin 6 should be an actual ground though, that's suspicious.

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Open Hardware Quartz64 Model A TOSLink Adapter
Pi-bus GPIO Extender For ROCKPro64 And Quartz64 Model A
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Messages In This Thread
RE: GPIO on the RockPro64 - all pins high? - by CounterPillow - 11-01-2022, 10:13 AM

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