fdt: Sync libfdt up to upstream
Add upstream changes to U-Boot:
- new pylibfdt functions
- fdt_setprop_placeholder()
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/libfdt/pylibfdt/libfdt.i b/lib/libfdt/pylibfdt/libfdt.i
index 146f4b9..5b1a8cf 100644
--- a/lib/libfdt/pylibfdt/libfdt.i
+++ b/lib/libfdt/pylibfdt/libfdt.i
@@ -130,6 +130,23 @@
self._fdt = bytearray(data)
check_err(fdt_check_header(self._fdt));
+ def subnode_offset(self, parentoffset, name, quiet=()):
+ """Get the offset of a named subnode
+
+ Args:
+ parentoffset: Offset of the parent node to check
+ name: Name of the required subnode, e.g. 'subnode@1'
+ quiet: Errors to ignore (empty to raise on all errors)
+
+ Returns:
+ The node offset of the found node, if any
+
+ Raises
+ FdtException if there is no node with that name, or other error
+ """
+ return check_err(fdt_subnode_offset(self._fdt, parentoffset, name),
+ quiet)
+
def path_offset(self, path, quiet=()):
"""Get the offset for a given path
@@ -304,6 +321,47 @@
return pdata
return bytearray(pdata[0])
+ def get_phandle(self, nodeoffset):
+ """Get the phandle of a node
+
+ Args:
+ nodeoffset: Node offset to check
+
+ Returns:
+ phandle of node, or 0 if the node has no phandle or another error
+ occurs
+ """
+ return fdt_get_phandle(self._fdt, nodeoffset)
+
+ def parent_offset(self, nodeoffset, quiet=()):
+ """Get the offset of a node's parent
+
+ Args:
+ nodeoffset: Node offset to check
+ quiet: Errors to ignore (empty to raise on all errors)
+
+ Returns:
+ The offset of the parent node, if any
+
+ Raises:
+ FdtException if no parent found or other error occurs
+ """
+ return check_err(fdt_parent_offset(self._fdt, nodeoffset), quiet)
+
+ def node_offset_by_phandle(self, phandle, quiet=()):
+ """Get the offset of a node with the given phandle
+
+ Args:
+ phandle: Phandle to search for
+ quiet: Errors to ignore (empty to raise on all errors)
+
+ Returns:
+ The offset of node with that phandle, if any
+
+ Raises:
+ FdtException if no node found or other error occurs
+ """
+ return check_err(fdt_node_offset_by_phandle(self._fdt, phandle), quiet)
class Property:
"""Holds a device tree property name and value.