diff --git a/cmake/modules/dts.cmake b/cmake/modules/dts.cmake
index 41e79dd7337..bd14a678ef5 100644
--- a/cmake/modules/dts.cmake
+++ b/cmake/modules/dts.cmake
@@ -290,11 +290,21 @@ set_property(DIRECTORY APPEND PROPERTY
 # Run GEN_EDT_SCRIPT.
 #
 
+if(WEST_TOPDIR)
+  set(GEN_EDT_WORKSPACE_DIR ${WEST_TOPDIR})
+else()
+  # If West is not available, define the parent directory of ZEPHYR_BASE as
+  # the workspace. This will create comments that reference the files in the
+  # Zephyr tree with a 'zephyr/' prefix.
+  set(GEN_EDT_WORKSPACE_DIR ${ZEPHYR_BASE}/..)
+endif()
+
 string(REPLACE ";" " " EXTRA_DTC_FLAGS_RAW "${EXTRA_DTC_FLAGS}")
 set(CMD_GEN_EDT ${PYTHON_EXECUTABLE} ${GEN_EDT_SCRIPT}
 --dts ${DTS_POST_CPP}
 --dtc-flags '${EXTRA_DTC_FLAGS_RAW}'
 --bindings-dirs ${DTS_ROOT_BINDINGS}
+--workspace-dir ${GEN_EDT_WORKSPACE_DIR}
 --dts-out ${ZEPHYR_DTS}.new # for debugging and dtc
 --edt-pickle-out ${EDT_PICKLE}.new
 ${EXTRA_GEN_EDT_ARGS}
diff --git a/scripts/dts/gen_edt.py b/scripts/dts/gen_edt.py
index 093524515dd..d452c59f4df 100755
--- a/scripts/dts/gen_edt.py
+++ b/scripts/dts/gen_edt.py
@@ -43,6 +43,7 @@ def main():
 
     try:
         edt = edtlib.EDT(args.dts, args.bindings_dirs,
+                         workspace_dir=args.workspace_dir,
                          # Suppress this warning if it's suppressed in dtc
                          warn_reg_unit_address_mismatch=
                              "-Wno-simple_bus_reg" not in args.dtc_flags,
@@ -71,6 +72,9 @@ def parse_args() -> argparse.Namespace:
     parser.add_argument("--bindings-dirs", nargs='+', required=True,
                         help="directory with bindings in YAML format, "
                         "we allow multiple")
+    parser.add_argument("--workspace-dir", default=os.getcwd(),
+                        help="directory to be used as reference for generated "
+                        "relative paths (e.g. WEST_TOPDIR)")
     parser.add_argument("--dts-out", required=True,
                         help="path to write merged DTS source code to (e.g. "
                              "as a debugging aid)")
diff --git a/scripts/dts/python-devicetree/src/devicetree/dtlib.py b/scripts/dts/python-devicetree/src/devicetree/dtlib.py
index 1409b77e5fc..0e07cf9d52c 100644
--- a/scripts/dts/python-devicetree/src/devicetree/dtlib.py
+++ b/scripts/dts/python-devicetree/src/devicetree/dtlib.py
@@ -207,7 +207,7 @@ class Node:
             # a relative path cannot be established (on Windows with files
             # in different drives, for example).
             try:
-                return os.path.relpath(filename, start=os.getcwd())
+                return os.path.relpath(filename, start=self.dt._base_dir)
             except ValueError:
                 return filename
 
@@ -787,7 +787,7 @@ class DT:
     #
 
     def __init__(self, filename: Optional[str], include_path: Iterable[str] = (),
-                 force: bool = False):
+                 force: bool = False, base_dir: Optional[str] = None):
         """
         Parses a DTS file to create a DT instance. Raises OSError if 'filename'
         can't be opened, and DTError for any parse errors.
@@ -804,6 +804,11 @@ class DT:
         force:
           Try not to raise DTError even if the input tree has errors.
           For experimental use; results not guaranteed.
+
+        base_dir:
+          Path to the directory that is to be used as the reference for
+          the generated relative paths in comments. When not provided, the
+          current working directory is used.
         """
         # Remember to update __deepcopy__() if you change this.
 
@@ -817,6 +822,7 @@ class DT:
         self.filename = filename
 
         self._force = force
+        self._base_dir = base_dir or os.getcwd()
 
         if filename is not None:
             self._parse_file(filename, include_path)
@@ -974,7 +980,7 @@ class DT:
         """
 
         # We need a new DT, obviously. Make a new, empty one.
-        ret = DT(None, (), self._force)
+        ret = DT(None, (), self._force, self._base_dir)
 
         # Now allocate new Node objects for every node in self, to use
         # in the new DT. Set their parents to None for now and leave
diff --git a/scripts/dts/python-devicetree/src/devicetree/edtlib.py b/scripts/dts/python-devicetree/src/devicetree/edtlib.py
index 4cb568b06e5..f03e6170af5 100644
--- a/scripts/dts/python-devicetree/src/devicetree/edtlib.py
+++ b/scripts/dts/python-devicetree/src/devicetree/edtlib.py
@@ -1993,6 +1993,7 @@ class EDT:
     def __init__(self,
                  dts: Optional[str],
                  bindings_dirs: list[str],
+                 workspace_dir: Optional[str] = None,
                  warn_reg_unit_address_mismatch: bool = True,
                  default_prop_types: bool = True,
                  support_fixed_partitions_on_any_bus: bool = True,
@@ -2009,6 +2010,10 @@ class EDT:
           List of paths to directories containing bindings, in YAML format.
           These directories are recursively searched for .yaml files.
 
+        workspace_dir:
+          Path to the root of the Zephyr workspace. This is used as a base
+          directory for relative paths in the generated devicetree comments.
+
         warn_reg_unit_address_mismatch (default: True):
           If True, a warning is logged if a node has a 'reg' property where
           the address of the first entry does not match the unit address of the
@@ -2077,7 +2082,7 @@ class EDT:
 
         if dts is not None:
             try:
-                self._dt = DT(dts)
+                self._dt = DT(dts, base_dir=workspace_dir)
             except DTError as e:
                 raise EDTError(e) from e
             self._finish_init()