diff --git a/scripts/kconfig/kconfigfunctions.py b/scripts/kconfig/kconfigfunctions.py
index 938dd32..399d4f5 100644
--- a/scripts/kconfig/kconfigfunctions.py
+++ b/scripts/kconfig/kconfigfunctions.py
@@ -38,6 +38,11 @@
                     define, val = line.split('=', 1)
                     dt_defines[define] = val.strip()
 
+
+def _warn(kconf, msg):
+    print("{}:{}: WARNING: {}".format(kconf.filename, kconf.linenr, msg))
+
+
 def _dt_units_to_scale(unit):
     if not unit:
         return 0
@@ -62,6 +67,8 @@
     if doc_mode or name not in dt_defines:
         return "0"
 
+    _warn(kconf, "dt_int_val is deprecated.")
+
     d = dt_defines[name]
     if d.startswith(('0x', '0X')):
         d = int(d, 16)
@@ -85,6 +92,8 @@
     if doc_mode or name not in dt_defines:
         return "0x0"
 
+    _warn(kconf, "dt_hex_val is deprecated.")
+
     d = dt_defines[name]
     if d.startswith(('0x', '0X')):
         d = int(d, 16)
@@ -104,6 +113,8 @@
     if doc_mode or name not in dt_defines:
         return ""
 
+    _warn(kconf, "dt_str_val is deprecated.")
+
     return dt_defines[name].strip('"')