[PATCH v3 12/12] docs: dt: convert writing-bindings.txt to ReST

[Mauro Carvalho Chehab]

- Add a SPDX header;
- Adjust document and section titles;
- Mark literal blocks as such;
- Add it to bindings/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/index.rst                | 1 +
 .../{writing-bindings.txt => writing-bindings.rst}         | 7 +++++++
 2 files changed, 8 insertions(+)
 rename Documentation/devicetree/bindings/{writing-bindings.txt => writing-bindings.rst} (92%)

diff --git a/Documentation/devicetree/bindings/index.rst b/Documentation/devicetree/bindings/index.rst
index 6b87875a049c..3837b17c234f 100644
--- a/Documentation/devicetree/bindings/index.rst
+++ b/Documentation/devicetree/bindings/index.rst
@@ -9,3 +9,4 @@ Device Tree
 
    ABI
    submitting-patches
+   writing-bindings
diff --git a/Documentation/devicetree/bindings/writing-bindings.txt b/Documentation/devicetree/bindings/writing-bindings.rst
similarity index 92%
rename from Documentation/devicetree/bindings/writing-bindings.txt
rename to Documentation/devicetree/bindings/writing-bindings.rst
index ca024b9c7433..45ff426d0019 100644
--- a/Documentation/devicetree/bindings/writing-bindings.txt
+++ b/Documentation/devicetree/bindings/writing-bindings.rst
@@ -1,4 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============================================================
 DOs and DON'Ts for designing and writing Devicetree bindings
+============================================================
 
 This is a list of common review feedback items focused on binding design. With
 every rule, there are exceptions and bindings have many gray areas.
@@ -8,6 +12,7 @@ Documentation/devicetree/bindings/submitting-patches.rst
 
 
 Overall design
+==============
 
 - DO attempt to make bindings complete even if a driver doesn't support some
   features. For example, if a device has an interrupt, then include the
@@ -32,6 +37,7 @@ Overall design
 
 
 Properties
+==========
 
 - DO make 'compatible' properties specific. DON'T use wildcards in compatible
   strings. DO use fallback compatibles when devices are the same as or a subset
@@ -53,6 +59,7 @@ Properties
 
 
 Board/SoC .dts Files
+====================
 
 - DO put all MMIO devices under a bus node and not at the top-level.
 
-- 
2.25.2