Defined in 2 files as a macro:

• soc/arm/atmel_sam0/samd20/dts_fixup.h, line 50 (as a macro)
• soc/arm/atmel_sam0/samd21/dts_fixup.h, line 50 (as a macro)

Referenced in 6 files:

• boards/arm/adafruit_feather_m0_basic_proto/pinmux.c, line 33
• boards/arm/adafruit_trinket_m0/pinmux.c, line 34
• boards/arm/arduino_zero/pinmux.c, line 38
• boards/arm/atsamd20_xpro/pinmux.c, line 31
• boards/arm/atsamd21_xpro/pinmux.c, line 35
• drivers/serial/uart_sam0.c, line 331