N18_DESC         1802 drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c #define N18_DESC	SIG_DESC_SET(SCUA4, 31)
N18_DESC         1708 drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c #define N18_DESC	SIG_DESC_SET(SCUA4, 30)