i2c4_c 2224 drivers/pinctrl/sh-pfc/pfc-r8a77470.c SH_PFC_PIN_GROUP(i2c4_c), i2c4_c 4543 drivers/pinctrl/sh-pfc/pfc-r8a7791.c SH_PFC_PIN_GROUP(i2c4_c), i2c4_c 3849 drivers/pinctrl/sh-pfc/pfc-r8a7794.c SH_PFC_PIN_GROUP(i2c4_c),