+static const struct pinctrl_pin_desc rtc_pins_desc[] = {
+ PINCTRL_PIN(0, "ext_wakeup0"),
+ PINCTRL_PIN(1, "ext_wakeup1"),
+ PINCTRL_PIN(2, "ext_wakeup2"),
+ PINCTRL_PIN(3, "ext_wakeup3"),
+};
+
+static int rtc_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
+{
+ return 0;
+}
+
+static const char *rtc_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
+ unsigned int group)
+{
+ return NULL;
+}
+
+static const struct pinctrl_ops rtc_pinctrl_ops = {
+ .get_groups_count = rtc_pinctrl_get_groups_count,
+ .get_group_name = rtc_pinctrl_get_group_name,
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
+ .dt_free_map = pinconf_generic_dt_free_map,
+};
+
+enum rtc_pin_config_param {
+ PIN_CONFIG_ACTIVE_HIGH = PIN_CONFIG_END + 1,
+};
+
+static const struct pinconf_generic_params rtc_params[] = {
+ {"ti,active-high", PIN_CONFIG_ACTIVE_HIGH, 0},
+};
+
+#ifdef CONFIG_DEBUG_FS
+static const struct pin_config_item rtc_conf_items[ARRAY_SIZE(rtc_params)] = {
+ PCONFDUMP(PIN_CONFIG_ACTIVE_HIGH, "input active high", NULL, false),
+};
+#endif
+
+static int rtc_pinconf_get(struct pinctrl_dev *pctldev,
+ unsigned int pin, unsigned long *config)
+{
+ struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
+ unsigned int param = pinconf_to_config_param(*config);
+ u32 val;
+ u16 arg = 0;
+
+ rtc->type->unlock(rtc);
+ val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
+ rtc->type->lock(rtc);
+
+ switch (param) {
+ case PIN_CONFIG_INPUT_ENABLE:
+ if (!(val & OMAP_RTC_PMIC_EXT_WKUP_EN(pin)))
+ return -EINVAL;
+ break;
+ case PIN_CONFIG_ACTIVE_HIGH:
+ if (val & OMAP_RTC_PMIC_EXT_WKUP_POL(pin))
+ return -EINVAL;
+ break;
+ default:
+ return -ENOTSUPP;
+ };
+
+ *config = pinconf_to_config_packed(param, arg);
+
+ return 0;
+}
+
+static int rtc_pinconf_set(struct pinctrl_dev *pctldev,
+ unsigned int pin, unsigned long *configs,
+ unsigned int num_configs)
+{
+ struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
+ u32 val;
+ unsigned int param;
+ u16 param_val;
+ int i;
+
+ rtc->type->unlock(rtc);
+ val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
+ rtc->type->lock(rtc);
+
+ /* active low by default */
+ val |= OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
+
+ for (i = 0; i < num_configs; i++) {
+ param = pinconf_to_config_param(configs[i]);
+ param_val = pinconf_to_config_argument(configs[i]);
+
+ switch (param) {
+ case PIN_CONFIG_INPUT_ENABLE:
+ if (param_val)
+ val |= OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
+ else
+ val &= ~OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
+ break;
+ case PIN_CONFIG_ACTIVE_HIGH:
+ val &= ~OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
+ break;
+ default:
+ dev_err(&rtc->rtc->dev, "Property %u not supported\n",
+ param);
+ return -ENOTSUPP;
+ }
+ }
+
+ rtc->type->unlock(rtc);
+ rtc_writel(rtc, OMAP_RTC_PMIC_REG, val);
+ rtc->type->lock(rtc);
+
+ return 0;
+}
+
+static const struct pinconf_ops rtc_pinconf_ops = {
+ .is_generic = true,
+ .pin_config_get = rtc_pinconf_get,
+ .pin_config_set = rtc_pinconf_set,
+};
+
+static struct pinctrl_desc rtc_pinctrl_desc = {
+ .pins = rtc_pins_desc,
+ .npins = ARRAY_SIZE(rtc_pins_desc),
+ .pctlops = &rtc_pinctrl_ops,
+ .confops = &rtc_pinconf_ops,
+ .custom_params = rtc_params,
+ .num_custom_params = ARRAY_SIZE(rtc_params),
+#ifdef CONFIG_DEBUG_FS
+ .custom_conf_items = rtc_conf_items,
+#endif
+ .owner = THIS_MODULE,
+};
+