3 files changed, 53 insertions, 4 deletions
diff --git a/drivers/gpio/devres.c b/drivers/gpio/devres.c
index afbff155a0ba..e82cc763633c 100644
--- a/drivers/gpio/devres.c
+++ b/drivers/gpio/devres.c
@@ -125,6 +125,48 @@ struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev,
 EXPORT_SYMBOL(devm_gpiod_get_index);
 
 /**
+ * devm_gpiod_get_from_of_node() - obtain a GPIO from an OF node
+ * @dev:	device for lifecycle management
+ * @node:	handle of the OF node
+ * @propname:	name of the DT property representing the GPIO
+ * @index:	index of the GPIO to obtain for the consumer
+ * @dflags:	GPIO initialization flags
+ * @label:	label to attach to the requested GPIO
+ *
+ * Returns:
+ * On successful request the GPIO pin is configured in accordance with
+ * provided @dflags.
+ *
+ * In case of error an ERR_PTR() is returned.
+ */
+struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
+					      struct device_node *node,
+					      const char *propname, int index,
+					      enum gpiod_flags dflags,
+					      const char *label)
+{
+	struct gpio_desc **dr;
+	struct gpio_desc *desc;
+
+	dr = devres_alloc(devm_gpiod_release, sizeof(struct gpio_desc *),
+			  GFP_KERNEL);
+	if (!dr)
+		return ERR_PTR(-ENOMEM);
+
+	desc = gpiod_get_from_of_node(node, propname, index, dflags, label);
+	if (IS_ERR(desc)) {
+		devres_free(dr);
+		return desc;
+	}
+
+	*dr = desc;
+	devres_add(dev, dr);
+
+	return desc;
+}
+EXPORT_SYMBOL(devm_gpiod_get_from_of_node);
+
+/**
  * devm_fwnode_get_index_gpiod_from_child - get a GPIO descriptor from a
  *					    device's child node
  * @dev:	GPIO consumer
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 6df94492e93e..bf083bc58d30 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3682,10 +3682,10 @@ EXPORT_SYMBOL_GPL(gpiod_get_index);
  *
  * In case of error an ERR_PTR() is returned.
  */
-static struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
-						const char *propname, int index,
-						enum gpiod_flags dflags,
-						const char *label)
+struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
+					 const char *propname, int index,
+					 enum gpiod_flags dflags,
+					 const char *label)
 {
 	struct gpio_desc *desc = ERR_PTR(-ENODEV);
 	unsigned long lflags = 0;
@@ -3736,6 +3736,7 @@ static struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
 
 	return desc;
 }
+EXPORT_SYMBOL(gpiod_get_from_of_node);
 
 /**
  * fwnode_get_named_gpiod - obtain a GPIO from firmware node
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 6e9228b94437..0ae9f991ede1 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -193,6 +193,12 @@ void gpiod_set_array_value_complex(bool raw, bool can_sleep,
 				   struct gpio_desc **desc_array,
 				   int *value_array);
 
+/* This is just passed between gpiolib and devres */
+struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
+					 const char *propname, int index,
+					 enum gpiod_flags dflags,
+					 const char *label);
+
 extern struct spinlock gpio_lock;
 extern struct list_head gpio_devices;