GPIO_PF21          37 arch/sh/include/cpu-sh2a/cpu/sh7203.h 	GPIO_PF23, GPIO_PF22, GPIO_PF21, GPIO_PF20,
GPIO_PF21          33 arch/sh/include/cpu-sh2a/cpu/sh7269.h 	GPIO_PF23, GPIO_PF22, GPIO_PF21, GPIO_PF20,