devicetree: Add DT_FOREACH_CHILD_STATUS_OKAY macro
The macro only iterates the enabled child nodes and invokes
provided macro for each node.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
diff --git a/scripts/dts/gen_defines.py b/scripts/dts/gen_defines.py
index 6ddde90..5ce8417 100755
--- a/scripts/dts/gen_defines.py
+++ b/scripts/dts/gen_defines.py
@@ -119,6 +119,7 @@
f"DT_{node.parent.z_path_id}")
write_child_functions(node)
+ write_child_functions_status_okay(node)
write_dep_info(node)
write_idents_and_existence(node)
write_bus(node)
@@ -479,6 +480,18 @@
node.children.values()))
+def write_child_functions_status_okay(node):
+ # Writes macro that are helpers that will call a macro/function
+ # for each child node with status "okay".
+
+ functions = ''
+ for child in node.children.values():
+ if child.status == "okay":
+ functions = functions + f"fn(DT_{child.z_path_id}) "
+
+ out_dt_define(f"{node.z_path_id}_FOREACH_CHILD_STATUS_OKAY(fn)", functions)
+
+
def write_status(node):
out_dt_define(f"{node.z_path_id}_STATUS_{str2ident(node.status)}", 1)
