PINS
#define PORT(x) (x / PINS)
#define PORT_PIN(x) (x % PINS)
static struct pinctrl_pin_desc falcon_pads[PORTS * PINS];
int base = bank * PINS;
#define PORT(x) (x / PINS)
#define PORT_PIN(x) (x % PINS)
#define GPIO3_ALT1 (GPIO_BASE(PINS) + 0x24)