Failed to Add GPIO Callback on AVR32UC Microcontroller

#include <zephyr.h>
#include <device.h>
#include <drivers/gpio.h>

#define GPIO_PIN 15
#define GPIO_PORT "GPIO_0"

void gpio_callback(const struct device *dev, struct gpio_callback *cb, uint32_t pins) {
    printk("Interrupt triggered!\n");
}

void main(void) {
    const struct device *dev = device_get_binding(GPIO_PORT);
    gpio_pin_interrupt_configure(dev, GPIO_PIN, GPIO_INT_EDGE_TO_ACTIVE);
    gpio_init_callback(&my_cb, gpio_callback, BIT(GPIO_PIN));
    gpio_add_callback(dev, &my_cb);
}

error: Failed to add GPIO callback