Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/Bindings/index.rst b/Bindings/index.rst
new file mode 100644
index 0000000..d9002a3
--- /dev/null
+++ b/Bindings/index.rst
@@ -0,0 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. toctree::
+   :maxdepth: 1
+
+   ABI
+   writing-bindings
+   writing-schema
+   submitting-patches