Merge git://git.denx.de/u-boot-usb

[people/ms/u-boot.git] / include / dm / ofnode.h

diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 966ca9309a3c776fbeb1385852b681b01f7f9ca3..210ddb2e5d7464573ef6d8c85cd0cd1d2a85291a 100644 (file)
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -434,6 +434,23 @@ int ofnode_parse_phandle_with_args(ofnode node, const char *list_name,
                                   int index,
                                   struct ofnode_phandle_args *out_args);
 
+/**
+ * ofnode_count_phandle_with_args() - Count number of phandle in a list
+ *
+ * This function is useful to count phandles into a list.
+ * Returns number of phandle on success, on error returns appropriate
+ * errno value.
+ *
+ * @node:      device tree node containing a list
+ * @list_name: property name that contains a list
+ * @cells_name:        property name that specifies phandles' arguments count
+ * @return number of phandle on success, -ENOENT if @list_name does not
+ *      exist, -EINVAL if a phandle was not found, @cells_name could not
+ *      be found.
+ */
+int ofnode_count_phandle_with_args(ofnode node, const char *list_name,
+                                  const char *cells_name);
+
 /**
  * ofnode_path() - find a node by full path
  *