+static struct pinctrl_gpio_range *u300_match_gpio_range(unsigned pin)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(u300_gpio_ranges); i++) {
+ struct pinctrl_gpio_range *range;
+
+ range = &u300_gpio_ranges[i];
+ if (pin >= range->pin_base &&
+ pin <= (range->pin_base + range->npins - 1))
+ return range;
+ }
+ return NULL;
+}
+
+int u300_pin_config_get(struct pinctrl_dev *pctldev,
+ unsigned pin,
+ unsigned long *config)
+{
+ struct pinctrl_gpio_range *range = u300_match_gpio_range(pin);
+
+ /* We get config for those pins we CAN get it for and that's it */
+ if (!range)
+ return -ENOTSUPP;
+
+ return u300_gpio_config_get(range->gc,
+ (pin - range->pin_base + range->base),
+ config);
+}
+
+int u300_pin_config_set(struct pinctrl_dev *pctldev,
+ unsigned pin,
+ unsigned long config)
+{
+ struct pinctrl_gpio_range *range = u300_match_gpio_range(pin);
+ int ret;
+
+ if (!range)
+ return -EINVAL;
+
+ /* Note: none of these configurations take any argument */
+ ret = u300_gpio_config_set(range->gc,
+ (pin - range->pin_base + range->base),
+ pinconf_to_config_param(config));
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static struct pinconf_ops u300_pconf_ops = {
+ .is_generic = true,
+ .pin_config_get = u300_pin_config_get,
+ .pin_config_set = u300_pin_config_set,
+};
+