kconfig: add dt_nodelabel_path() helper
This helper allows setting default Kconfig values based on devicetree
node properties without giving the full path to the node.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
diff --git a/scripts/kconfig/kconfigfunctions.py b/scripts/kconfig/kconfigfunctions.py
index 7a390a9..345da16 100644
--- a/scripts/kconfig/kconfigfunctions.py
+++ b/scripts/kconfig/kconfigfunctions.py
@@ -349,6 +349,20 @@
return "n"
+def dt_nodelabel_path(kconf, _, label):
+ """
+ This function takes a node label (not a label property) and
+ returns the path to the node which has that label, or an empty
+ string if there is no such node.
+ """
+ if doc_mode or edt is None:
+ return ""
+
+ node = edt.label2node.get(label)
+
+ return node.path if node else ""
+
+
def shields_list_contains(kconf, _, shield):
"""
Return "n" if cmake environment variable 'SHIELD_AS_LIST' doesn't exist.
@@ -381,5 +395,6 @@
"dt_node_int_prop_int": (dt_node_int_prop, 2, 2),
"dt_node_int_prop_hex": (dt_node_int_prop, 2, 2),
"dt_nodelabel_has_compat": (dt_nodelabel_has_compat, 2, 2),
+ "dt_nodelabel_path": (dt_nodelabel_path, 1, 1),
"shields_list_contains": (shields_list_contains, 1, 1),
}
