GPHEN0            444 drivers/pinctrl/bcm/pinctrl-bcm2835.c 		__bcm2835_gpio_irq_config(pc, GPHEN0, offset, enable);
GPHEN0           1125 drivers/pinctrl/bcm/pinctrl-bcm2835.c 		bcm2835_gpio_wr(pc, GPHEN0 + i * 4, 0);