4 files changed, 47 insertions, 9 deletions
diff --git a/include/dm/device.h b/include/dm/device.h
index 0a9718a5b81..fac99612086 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -181,7 +181,7 @@ struct udevice {
 	u32 flags_;
 #endif
 	int seq_;
-#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 	ofnode node_;
 #endif
 #ifdef CONFIG_DEVRES
@@ -242,7 +242,7 @@ static inline void dev_bic_flags(struct udevice *dev, u32 bic)
  */
 static inline ofnode dev_ofnode(const struct udevice *dev)
 {
-#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 	return dev->node_;
 #else
 	return ofnode_null();
@@ -262,7 +262,7 @@ static inline ofnode dev_ofnode(const struct udevice *dev)
 
 static inline int dev_of_offset(const struct udevice *dev)
 {
-#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 	return ofnode_to_offset(dev_ofnode(dev));
 #else
 	return -1;
@@ -271,7 +271,7 @@ static inline int dev_of_offset(const struct udevice *dev)
 
 static inline bool dev_has_ofnode(const struct udevice *dev)
 {
-#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 	return ofnode_valid(dev_ofnode(dev));
 #else
 	return false;
@@ -280,7 +280,7 @@ static inline bool dev_has_ofnode(const struct udevice *dev)
 
 static inline void dev_set_ofnode(struct udevice *dev, ofnode node)
 {
-#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 	dev->node_ = node;
 #endif
 }
@@ -300,7 +300,7 @@ struct udevice_id {
 	ulong data;
 };
 
-#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 #define of_match_ptr(_ptr)	(_ptr)
 #else
 #define of_match_ptr(_ptr)	NULL
@@ -738,7 +738,7 @@ int device_find_next_child(struct udevice **devp);
  *
  * @parent:	Parent device to search
  * @uclass_id:	Uclass to look for
- * @devp:	Returns device found, if any
+ * @devp:	Returns device found, if any, else NULL
  * @return 0 if found, else -ENODEV
  */
 int device_find_first_inactive_child(const struct udevice *parent,
@@ -750,7 +750,7 @@ int device_find_first_inactive_child(const struct udevice *parent,
  *
  * @parent: Parent device to search
  * @uclass_id:	Uclass to look for
- * @devp: Returns first child device in that uclass, if any
+ * @devp: Returns first child device in that uclass, if any, else NULL
  * @return 0 if found, else -ENODEV
  */
 int device_find_first_child_by_uclass(const struct udevice *parent,
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 4e1a8447e65..6a714d0c7b5 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -1117,4 +1117,41 @@ int ofnode_write_string(ofnode node, const char *propname, const char *value);
  */
 int ofnode_set_enabled(ofnode node, bool value);
 
+/**
+ * ofnode_conf_read_bool() - Read a boolean value from the U-Boot config
+ *
+ * This reads a property from the /config node of the devicetree.
+ *
+ * See doc/config.txt for bindings
+ *
+ * @prop_name	property name to look up
+ * @return true, if it exists, false if not
+ */
+bool ofnode_conf_read_bool(const char *prop_name);
+
+/**
+ * ofnode_conf_read_int() - Read an integer value from the U-Boot config
+ *
+ * This reads a property from the /config node of the devicetree.
+ *
+ * See doc/config.txt for bindings
+ *
+ * @prop_name: property name to look up
+ * @default_val: default value to return if the property is not found
+ * @return integer value, if found, or @default_val if not
+ */
+int ofnode_conf_read_int(const char *prop_name, int default_val);
+
+/**
+ * ofnode_conf_read_str() - Read a string value from the U-Boot config
+ *
+ * This reads a property from the /config node of the devicetree.
+ *
+ * See doc/config.txt for bindings
+ *
+ * @prop_name: property name to look up
+ * @return string value, if found, or NULL if not
+ */
+const char *ofnode_conf_read_str(const char *prop_name);
+
 #endif
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index e7edd409f30..3768432b680 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -54,6 +54,7 @@ enum uclass_id {
 	UCLASS_FIRMWARE,	/* Firmware */
 	UCLASS_FS_FIRMWARE_LOADER,		/* Generic loader */
 	UCLASS_GPIO,		/* Bank of general-purpose I/O pins */
+	UCLASS_HASH,		/* Hash device */
 	UCLASS_HWSPINLOCK,	/* Hardware semaphores */
 	UCLASS_I2C,		/* I2C bus */
 	UCLASS_I2C_EEPROM,	/* I2C EEPROM device */
diff --git a/include/dm/uclass.h b/include/dm/uclass.h
index da0c1bfadb1..15e5f9ef5bc 100644
--- a/include/dm/uclass.h
+++ b/include/dm/uclass.h
@@ -354,7 +354,7 @@ int uclass_next_device(struct udevice **devp);
  * The device returned is probed if necessary, and ready for use
  *
  * @devp: On entry, pointer to device to lookup. On exit, returns pointer
- * to the next device in the uclass if no error occurred, or -ENODEV if
+ * to the next device in the uclass if no error occurred, or NULL if
  * there is no next device.
  * @return 0 if found, -ENODEV if not found, other -ve on error
  */