diff --git a/cmake/dts.cmake b/cmake/dts.cmake
index a9c69cccb72..97f66f6a9ff 100644
--- a/cmake/dts.cmake
+++ b/cmake/dts.cmake
@@ -19,11 +19,12 @@ set_ifndef(DTS_SOURCE ${BOARD_DIR}/${BOARD}.dts)
 set_ifndef(DTS_COMMON_OVERLAYS ${ZEPHYR_BASE}/dts/common/common.dts)
 
 # 'DTS_ROOT' is a list of directories where a directory tree with DT
-# files may be found. It always includes the application directory and
-# ${ZEPHYR_BASE}.
+# files may be found. It always includes the application directory,
+# the board directory, and ${ZEPHYR_BASE}.
 list(APPEND
   DTS_ROOT
   ${APPLICATION_SOURCE_DIR}
+  ${BOARD_DIR}
   ${ZEPHYR_BASE}
   )
 
diff --git a/doc/application/index.rst b/doc/application/index.rst
index ae1eec728e8..758f759ce4c 100644
--- a/doc/application/index.rst
+++ b/doc/application/index.rst
@@ -701,13 +701,15 @@ You can also define the ``SOC_ROOT`` variable in the application
 DeviceTree Definitions
 ======================
 
-Additional DeviceTree directory trees, or DTS_ROOTs, can be added by
-creating this directory tree::
+DeviceTree directory trees are found in ``APPLICATION_SOURCE_DIR``,
+``BOARD_DIR``, and ``ZEPHYR_BASE``, but additional trees, or DTS_ROOTs,
+can be added by creating this directory tree::
 
-    dts/bindings/
+    include/
     dts/common/
     dts/arm/
-    include/
+    dts/
+    dts/bindings/
 
 Where 'arm' is changed to the appropriate architecture. Each directory
 is optional. The binding directory contains bindings and the other