PhilE wrote: ↑
Tue Jan 14, 2020 11:05 am
Did I understand right, that without a customized dt-blob, (I will not yet go into the experience of compiling a new one yet), the HAT probing will occur anyway?
No, not if you have used the gpio directive to change to some pin function other than input.
And if you haven't used either a custom dt-blob or gpio directive then the pin is
Sorry, I am now completely confused...
I have been speaking about the short time during HAT probing.
You wrote it would happen at boot time before
the GPIO directive.
During that short time GPIO1 will be an output, providing the system clock to sense the EEPROM. Right?
After that it turns back to an unused input until being set to RX2 by the GPIO directive ALT4. Right again?