IRDACLKCR          22 arch/sh/kernel/cpu/sh4a/clock-sh7722.c #define IRDACLKCR	0xa4150018
IRDACLKCR          23 arch/sh/kernel/cpu/sh4a/clock-sh7723.c #define IRDACLKCR	0xa4150018
IRDACLKCR          24 arch/sh/kernel/cpu/sh4a/clock-sh7724.c #define IRDACLKCR	0xa4150018