Is it possible to create yocto project without any BSP and only using XSA?

Yes it is possible, FSBL can be created in Vitis IDE and use it with yocto BSP.

For further product inquiries, please get in touch with our sales team at mktg@iwave-global.com

Please find the detailed product information here:
ZU49/ZU39/ZU29DR RFSoC System on Module

ZU48/47/43/28/27/25DR RFSoC System on Module