MX50_PAD_KEY_COL1__GPIO4_2 24 arch/arm/boot/dts/imx50-pinfunc.h #define MX50_PAD_KEY_COL1__GPIO4_2 0x028 0x2d4 0x000 0x1 0x0 MX50_PAD_KEY_COL1__GPIO4_2 24 scripts/dtc/include-prefixes/arm/imx50-pinfunc.h #define MX50_PAD_KEY_COL1__GPIO4_2 0x028 0x2d4 0x000 0x1 0x0