Symbol: JZ4770_GPIO_PEN
drivers/pinctrl/pinctrl-ingenic.c
4113
pull = !ingenic_get_pin_config(jzpc, pin, JZ4770_GPIO_PEN);
drivers/pinctrl/pinctrl-ingenic.c
4214
ingenic_config_pin(jzpc, pin, JZ4770_GPIO_PEN, !bias);