Run on Raspberry pi 3 without Navio2

Hi!
Is it possible to run px4 on rpi without navio2 hardware?
Where can I find some documentation about that?
Thanks

@DanieleVeri px4 will run, but without hardware sensors it will be useless. Navio2 is essentially a hat for Pi with necessary sensors + LED + PWM, etc. What were you looking to achieve?