}
EXPORT_SYMBOL_GPL(genpd_dev_pm_attach_by_id);
+/**
+ * genpd_dev_pm_attach_by_name - Associate a device with one of its PM domains.
+ * @dev: The device used to lookup the PM domain.
+ * @name: The name of the PM domain.
+ *
+ * Parse device's OF node to find a PM domain specifier using the
+ * power-domain-names DT property. For further description see
+ * genpd_dev_pm_attach_by_id().
+ */
+struct device *genpd_dev_pm_attach_by_name(struct device *dev, char *name)
+{
+ int index;
+
+ if (!dev->of_node)
+ return NULL;
+
+ index = of_property_match_string(dev->of_node, "power-domain-names",
+ name);
+ if (index < 0)
+ return NULL;
+
+ return genpd_dev_pm_attach_by_id(dev, index);
+}
+
static const struct of_device_id idle_state_match[] = {
{ .compatible = "domain-idle-state", },
{ }
int genpd_dev_pm_attach(struct device *dev);
struct device *genpd_dev_pm_attach_by_id(struct device *dev,
unsigned int index);
+struct device *genpd_dev_pm_attach_by_name(struct device *dev,
+ char *name);
#else /* !CONFIG_PM_GENERIC_DOMAINS_OF */
static inline int of_genpd_add_provider_simple(struct device_node *np,
struct generic_pm_domain *genpd)
return NULL;
}
+static inline struct device *genpd_dev_pm_attach_by_name(struct device *dev,
+ char *name)
+{
+ return NULL;
+}
+
static inline
struct generic_pm_domain *of_genpd_remove_last(struct device_node *np)
{