Looks like pynq-z2 has header pins which connect with raspberry pi. https://www.tulembedded.com/FPGA/ProductsPYNQ-Z2.html https://www.tulembedded.com/FPGA/Produ

Looks like pynq-z2 has header pins which connect with raspberry pi. https://www.tulembedded.com/FPGA/ProductsPYNQ-Z2.html https://www.tulembedded.com/FPGA/ProductsPYNQ-Z2.html