dm: Add a function to create a 'live' device tree

[oweals/u-boot.git] / include / of_live.h

diff --git a/include/of_live.h b/include/of_live.h
new file mode 100644 (file)
index 0000000..f5303bb
--- /dev/null
+++ b/include/of_live.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2017 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ * Support for a 'live' (as opposed to flat) device tree
+ */
+
+#ifndef _OF_LIVE_H
+#define _OF_LIVE_H
+
+struct device_node;
+
+/**
+ * of_live_build() - build a live (hierarchical) tree from a flat DT
+ *
+ * @fdt_blob: Input tree to convert
+ * @rootp: Returns live tree that was created
+ * @return 0 if OK, -ve on error
+ */
+int of_live_build(const void *fdt_blob, struct device_node **rootp);
+
+#endif