+
+static int ich6_gpio_get_function(struct udevice *dev, unsigned offset)
+{
+ struct ich6_bank_priv *bank = dev_get_priv(dev);
+ u32 mask = 1UL << offset;
+
+ if (!(inl(bank->use_sel) & mask))
+ return GPIOF_FUNC;
+ if (inl(bank->io_sel) & mask)
+ return GPIOF_INPUT;
+ else
+ return GPIOF_OUTPUT;
+}
+
+static const struct dm_gpio_ops gpio_ich6_ops = {
+ .request = ich6_gpio_request,
+ .direction_input = ich6_gpio_direction_input,
+ .direction_output = ich6_gpio_direction_output,
+ .get_value = ich6_gpio_get_value,
+ .set_value = ich6_gpio_set_value,
+ .get_function = ich6_gpio_get_function,
+};
+
+static const struct udevice_id intel_ich6_gpio_ids[] = {
+ { .compatible = "intel,ich6-gpio" },
+ { }
+};
+
+U_BOOT_DRIVER(gpio_ich6) = {
+ .name = "gpio_ich6",
+ .id = UCLASS_GPIO,
+ .of_match = intel_ich6_gpio_ids,
+ .ops = &gpio_ich6_ops,
+ .ofdata_to_platdata = gpio_ich6_ofdata_to_platdata,
+ .probe = ich6_gpio_probe,
+ .priv_auto_alloc_size = sizeof(struct ich6_bank_priv),
+ .platdata_auto_alloc_size = sizeof(struct ich6_bank_platdata),
+};