Officially, our PMIC recommendation is that you follow TIDA-050000 for powering Spartan-7.
However, if you plan on implementing Spartan-7 without DDR memory (many designs do not require DDR with Spartan-7) then it is possible you will only…
We found out that this is a server time out issue and it could take a while to get this fixed. I found some references which may be of some help.
1. TPS650250 reference design for the Xilinx FPGA ( www.ti.com/.../TIDA-00716 )