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-rw-r--r--include/linux/of_fdt.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 7bbf5b32843..0ef22a1f129 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -58,6 +58,23 @@ struct boot_param_header {
};
#if defined(CONFIG_OF_FLATTREE)
+
+struct device_node;
+
+/* For scanning an arbitrary device-tree at any time */
+extern char *of_fdt_get_string(struct boot_param_header *blob, u32 offset);
+extern void *of_fdt_get_property(struct boot_param_header *blob,
+ unsigned long node,
+ const char *name,
+ unsigned long *size);
+extern int of_fdt_is_compatible(struct boot_param_header *blob,
+ unsigned long node,
+ const char *compat);
+extern int of_fdt_match(struct boot_param_header *blob, unsigned long node,
+ const char **compat);
+extern void of_fdt_unflatten_tree(unsigned long *blob,
+ struct device_node **mynodes);
+
/* TBD: Temporary export of fdt globals - remove when code fully merged */
extern int __initdata dt_root_addr_cells;
extern int __initdata dt_root_size_cells;
@@ -71,6 +88,7 @@ extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname,
extern void *of_get_flat_dt_prop(unsigned long node, const char *name,
unsigned long *size);
extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
+extern int of_flat_dt_match(unsigned long node, const char **matches);
extern unsigned long of_get_flat_dt_root(void);
extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,