+static int zynq_gpio_get_function(struct udevice *dev, unsigned offset)
+{
+ u32 reg;
+ unsigned int bank_num, bank_pin_num;
+ struct zynq_gpio_privdata *priv = dev_get_priv(dev);
+
+ if (check_gpio(offset, dev) < 0)
+ return -1;
+
+ zynq_gpio_get_bank_pin(offset, &bank_num, &bank_pin_num, dev);
+
+ /* set the GPIO pin as output */
+ reg = readl(priv->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num));
+ reg &= BIT(bank_pin_num);
+ if (reg)
+ return GPIOF_OUTPUT;
+ else
+ return GPIOF_INPUT;
+}
+