TX1_E 1177 drivers/pinctrl/sh-pfc/pfc-r8a7790.c PINMUX_IPSR_MSEL(IP6_28_26, TX1_E, SEL_SCIF1_4), TX1_E 1261 drivers/pinctrl/sh-pfc/pfc-sh7734.c PINMUX_IPSR_MSEL(IP10_21_19, TX1_E, SEL_SCIF1_4), TX1_E 1596 drivers/pinctrl/sh-pfc/pfc-sh7734.c GPIO_FN(AUDIO_CLKOUT), GPIO_FN(TX1_E), GPIO_FN(HRTS0_C),