GPIO131 144 arch/arm/mach-mmp/mfp-mmp2.h #define GPIO131_GPIO MFP_CFG(GPIO131, AF0) GPIO131 246 arch/arm/mach-mmp/mfp-mmp2.h #define GPIO131_MMC1_DAT3 MFP_CFG_DRV(GPIO131, AF1, FAST)