The Pins tool included in the MCUXPresso Config Tools can help you configure routing of individual pins. It's also capable of configuring modulation features of certain peripherals.
Prerequisites
NXP Kinetis processor with LPTMR, UART, or FTM peripherals supporting signal modulation
Workflow
If you want to configure signal modulation for LPTMR, UART, and FTM peripherals, you can do so by using the SIM option.