This article presents the recommended connections to start with the STM32MP157x-DKx Discovery kits. It is valid for the STM32MP157A-DK1 , STM32MP157D-DK1
, STM32MP157C-DK2
and STM32MP157F-DK2
Discovery kits: the part numbers are specified in the STM32MP15 microprocessor part numbers article.

STM32MP157x-DKx Discovery kit connections
STM32MP157C-DK2 shown here without the MB1407 daughterboard DSI display to avoid hiding the connections (picture is not contractual)
STM32MP157C-DK2 shown here without the MB1407 daughterboard DSI display to avoid hiding the connections (picture is not contractual)