Defined in 2 files as a config:

• boards/arm/hexiwear_k64/Kconfig.defconfig, line 30 (as a config)
• drivers/serial/Kconfig.mcux, line 43 (as a config)

Referenced in 3 files:

• boards/arm/hexiwear_k64/Kconfig.defconfig, line 50
• boards/arm/hexiwear_k64/pinmux.c, line 84
• drivers/serial/uart_mcux.c, line 452