pin21            2423 drivers/pinctrl/spear/pinctrl-spear1310.c static const unsigned pin21[] = { 21, };
pin21            2509 drivers/pinctrl/spear/pinctrl-spear1310.c DEFINE_2_MUXREG(pin21, PAD_FUNCTION_EN_0, PAD_DIRECTION_SEL_0, PMX_EGPIO12_MASK, 0, 1);
pin21            2601 drivers/pinctrl/spear/pinctrl-spear1310.c 	GPIO_PINGROUP(pin21),