docs: dt: convert ABI.txt to ReST format

This file only requires a properly-formatted title to be
recognized as a ReST file.

As there will be more files under bindings/ that will be
included at the documentation body, add a new index.rst
file there.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>

6 files changed, 19 insertions, 4 deletions

diff --git a/Documentation/arm/microchip.rst b/Documentation/arm/microchip.rst
index 05e5f2dfb814..9c013299fd3b 100644
--- a/Documentation/arm/microchip.rst
+++ b/Documentation/arm/microchip.rst
@@ -192,7 +192,7 @@ Device Tree files and Device Tree bindings that apply to AT91 SoCs and boards ar
 considered as "Unstable". To be completely clear, any at91 binding can change at
 any time. So, be sure to use a Device Tree Binary and a Kernel Image generated from
 the same source tree.
-Please refer to the Documentation/devicetree/bindings/ABI.txt file for a
+Please refer to the Documentation/devicetree/bindings/ABI.rst file for a
 definition of a "Stable" binding/ABI.
 This statement will be removed by AT91 MAINTAINERS when appropriate.
 
diff --git a/Documentation/devicetree/bindings/ABI.txt b/Documentation/devicetree/bindings/ABI.rst
index d25f8d379680..a885713cf184 100644
--- a/Documentation/devicetree/bindings/ABI.txt
+++ b/Documentation/devicetree/bindings/ABI.rst
@@ -1,5 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
 
-  Devicetree (DT) ABI
+===================
+Devicetree (DT) ABI
+===================
 
 I. Regarding stable bindings/ABI, we quote from the 2013 ARM mini-summit
    summary document:
diff --git a/Documentation/devicetree/bindings/arm/amlogic.yaml b/Documentation/devicetree/bindings/arm/amlogic.yaml
index f74aba48cec1..a21ce4ad63f6 100644
--- a/Documentation/devicetree/bindings/arm/amlogic.yaml
+++ b/Documentation/devicetree/bindings/arm/amlogic.yaml
@@ -17,7 +17,7 @@ description: |+
   any time. Be sure to use a device tree binary and a kernel image
   generated from the same source tree.
 
-  Please refer to Documentation/devicetree/bindings/ABI.txt for a definition of a
+  Please refer to Documentation/devicetree/bindings/ABI.rst for a definition of a
   stable binding/ABI.
 
 properties:
diff --git a/Documentation/devicetree/bindings/arm/syna.txt b/Documentation/devicetree/bindings/arm/syna.txt
index 2face46a5f64..d8b48f2edf1b 100644
--- a/Documentation/devicetree/bindings/arm/syna.txt
+++ b/Documentation/devicetree/bindings/arm/syna.txt
@@ -13,7 +13,7 @@ considered "unstable". Any Marvell Berlin device tree binding may change at any
 time. Be sure to use a device tree binary and a kernel image generated from the
 same source tree.
 
-Please refer to Documentation/devicetree/bindings/ABI.txt for a definition of a
+Please refer to Documentation/devicetree/bindings/ABI.rst for a definition of a
 stable binding/ABI.
 
 ---------------------------------------------------------------
diff --git a/Documentation/devicetree/bindings/index.rst b/Documentation/devicetree/bindings/index.rst
new file mode 100644
index 000000000000..98ebdab24b51
--- /dev/null
+++ b/Documentation/devicetree/bindings/index.rst
@@ -0,0 +1,10 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========
+Device Tree
+===========
+
+.. toctree::
+   :maxdepth: 1
+
+   ABI
diff --git a/Documentation/devicetree/index.rst b/Documentation/devicetree/index.rst
index 1c36bc19969b..54026763916d 100644
--- a/Documentation/devicetree/index.rst
+++ b/Documentation/devicetree/index.rst
@@ -13,3 +13,5 @@ Open Firmware and Device Tree
    dynamic-resolution-notes
    of_unittest
    overlay-notes
+
+   bindings/index