GPPUDCLK0         930 drivers/pinctrl/bcm/pinctrl-bcm2835.c 	bcm2835_gpio_wr(pc, GPPUDCLK0 + (off * 4), BIT(bit));
GPPUDCLK0         932 drivers/pinctrl/bcm/pinctrl-bcm2835.c 	bcm2835_gpio_wr(pc, GPPUDCLK0 + (off * 4), 0);