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-rw-r--r--drivers/power/domain/power-domain-uclass.c11
-rw-r--r--include/power-domain.h21
2 files changed, 30 insertions, 2 deletions
diff --git a/drivers/power/domain/power-domain-uclass.c b/drivers/power/domain/power-domain-uclass.c
index 9e9ec4f4192..2ea0ff24c7a 100644
--- a/drivers/power/domain/power-domain-uclass.c
+++ b/drivers/power/domain/power-domain-uclass.c
@@ -28,7 +28,8 @@ static int power_domain_of_xlate_default(struct power_domain *power_domain,
return 0;
}
-int power_domain_get(struct udevice *dev, struct power_domain *power_domain)
+int power_domain_get_by_index(struct udevice *dev,
+ struct power_domain *power_domain, int index)
{
struct ofnode_phandle_args args;
int ret;
@@ -38,7 +39,8 @@ int power_domain_get(struct udevice *dev, struct power_domain *power_domain)
debug("%s(dev=%p, power_domain=%p)\n", __func__, dev, power_domain);
ret = dev_read_phandle_with_args(dev, "power-domains",
- "#power-domain-cells", 0, 0, &args);
+ "#power-domain-cells", 0, index,
+ &args);
if (ret) {
debug("%s: dev_read_phandle_with_args failed: %d\n",
__func__, ret);
@@ -73,6 +75,11 @@ int power_domain_get(struct udevice *dev, struct power_domain *power_domain)
return 0;
}
+int power_domain_get(struct udevice *dev, struct power_domain *power_domain)
+{
+ return power_domain_get_by_index(dev, power_domain, 0);
+}
+
int power_domain_free(struct power_domain *power_domain)
{
struct power_domain_ops *ops = power_domain_dev_ops(power_domain->dev);
diff --git a/include/power-domain.h b/include/power-domain.h
index a558fbbdb21..00996057b0d 100644
--- a/include/power-domain.h
+++ b/include/power-domain.h
@@ -98,6 +98,27 @@ int power_domain_get(struct udevice *dev, struct power_domain *power_domain)
#endif
/**
+ * power_domain_get_by_index - Get the indexed power domain for a device.
+ *
+ * @dev: The client device.
+ * @power_domain: A pointer to a power domain struct to initialize.
+ * @index: Power domain index to be powered on.
+ *
+ * @return 0 if OK, or a negative error code.
+ */
+#if CONFIG_IS_ENABLED(POWER_DOMAIN)
+int power_domain_get_by_index(struct udevice *dev,
+ struct power_domain *power_domain, int index);
+#else
+static inline
+int power_domain_get_by_index(struct udevice *dev,
+ struct power_domain *power_domain, int index)
+{
+ return -ENOSYS;
+}
+#endif
+
+/**
* power_domain_free - Free a previously requested power domain.
*
* @power_domain: A power domain struct that was previously successfully