RX1_E 1172 drivers/pinctrl/sh-pfc/pfc-r8a7790.c PINMUX_IPSR_MSEL(IP6_25_23, RX1_E, SEL_SCIF1_4), RX1_E 1289 drivers/pinctrl/sh-pfc/pfc-sh7734.c PINMUX_IPSR_MSEL(IP11_0, RX1_E, SEL_SCIF1_4), RX1_E 1633 drivers/pinctrl/sh-pfc/pfc-sh7734.c GPIO_FN(SDA1), GPIO_FN(RX1_E),