dm: core: Add size operations on device tree references
Add functions to add size of addresses in the device tree using ofnode
references.
If the size is not set, return FDT_SIZE_T_NONE.
Signed-off-by: Chen Guanqiao <chenguanqiao@kuaishou.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 2c0597c..8a69fd8 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -511,6 +511,16 @@
phys_addr_t ofnode_get_addr(ofnode node);
/**
+ * ofnode_get_size() - get size from a node
+ *
+ * This reads the register size from a node
+ *
+ * @node: node to read from
+ * @return size of the address, or FDT_SIZE_T_NONE if not present or invalid
+ */
+fdt_size_t ofnode_get_size(ofnode node);
+
+/**
* ofnode_stringlist_search() - find a string in a string list and return index
*
* Note that it is possible for this function to succeed on property values