PIN_PC21__GPIO    604 arch/arm/boot/dts/sama5d2-pinfunc.h #define PIN_PC21__GPIO			PINMUX_PIN(PIN_PC21, 0, 0)
PIN_PC21__GPIO    604 scripts/dtc/include-prefixes/arm/sama5d2-pinfunc.h #define PIN_PC21__GPIO			PINMUX_PIN(PIN_PC21, 0, 0)