TXD9 445 drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c SIG_EXPR_LIST_DECL_SESG(D21, TXD9, UART9, SIG_DESC_SET(SCU414, 22)); TXD9 450 drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c PIN_DECL_3(D21, GPIOG6, TXD9, SD2CD, SALT15);