GENERIC_MPP        28 arch/arm/plat-orion/include/plat/mpp.h #define MPP_INPUT_MASK		GENERIC_MPP(0, 0x0, 1, 0)
GENERIC_MPP        29 arch/arm/plat-orion/include/plat/mpp.h #define MPP_OUTPUT_MASK		GENERIC_MPP(0, 0x0, 0, 1)