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)