DRIVE_STRENGTH_MASK  906 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c #define DRIVE_STRENGTH_MASK		0x0000FF00
DRIVE_STRENGTH_MASK   56 drivers/pinctrl/pinctrl-at91.c #define DRIVE_STRENGTH_MASK		0x3
DRIVE_STRENGTH_MASK   55 drivers/pinctrl/sprd/pinctrl-sprd.c #define DRIVE_STRENGTH_MASK		GENMASK(3, 0)