The STM32MP135F-DK doesn't have any GPS built in, so it would depend on what external GPS unit you use, and how you have it connected.
A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
Olivier GALLIEN In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.