pylibfdt: Add a means to add and delete notes
These methods are needed to permit larger changes to the device tree blob.
Add two new methods and an associate test.
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: David Gibson <[email protected]>
diff --git a/pylibfdt/libfdt.i b/pylibfdt/libfdt.i
index 12d2812..842e7b6 100644
--- a/pylibfdt/libfdt.i
+++ b/pylibfdt/libfdt.i
@@ -689,6 +689,35 @@
"""
return check_err(fdt_delprop(self._fdt, nodeoffset, prop_name), quiet)
+ def add_subnode(self, parentoffset, name, quiet=()):
+ """Add a new subnode to a node
+
+ Args:
+ parentoffset: Parent offset to add the subnode to
+ name: Name of node to add
+
+ Returns:
+ offset of the node created, or negative error code on failure
+
+ Raises:
+ FdtError if there is not enough space, or another error occurs
+ """
+ return check_err(fdt_add_subnode(self._fdt, parentoffset, name), quiet)
+
+ def del_node(self, nodeoffset, quiet=()):
+ """Delete a node
+
+ Args:
+ nodeoffset: Offset of node to delete
+
+ Returns:
+ Error code, or 0 if OK
+
+ Raises:
+ FdtError if an error occurs
+ """
+ return check_err(fdt_del_node(self._fdt, nodeoffset), quiet)
+
class Property(bytearray):
"""Holds a device tree property name and value.
