doc: Add driver-model to Sphinx TOC tree
Add index.rst for driver model. More docs will be added later.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heinrich Schuchardt <xypron.glkpk@gmx.de>
diff --git a/doc/driver-model/index.rst b/doc/driver-model/index.rst
new file mode 100644
index 0000000..0f74619
--- /dev/null
+++ b/doc/driver-model/index.rst
@@ -0,0 +1,7 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+Driver Model
+============
+
+.. toctree::
+ :maxdepth: 2
diff --git a/doc/index.rst b/doc/index.rst
index 3500e68..bc2f06a 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -15,6 +15,17 @@
.. toctree::
:maxdepth: 2
+Driver-Model documentation
+--------------------------
+The following holds information on the U-Boot device driver framework:
+driver-model, including the design details of itself and several driver
+subsystems.
+
+.. toctree::
+ :maxdepth: 2
+
+ driver-model/index
+
U-Boot API documentation
------------------------