U21_DESC         1164 drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c #define U21_DESC        SIG_DESC_SET(SCU8C, 0)
U21_DESC         1553 drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c #define U21_DESC	SIG_DESC_SET(SCUA4, 20)