[PATCH] Trivia: Add SPDX tags to source files

[Grant Likely <grant.likely-5wv7dgnIgG8@public.gmane.org>]

Signed-off-by: Grant Likely <grant.likely-5wv7dgnIgG8@public.gmane.org>
---
 FAQ.md                                | 2 ++
 Makefile                              | 2 ++
 README.md                             | 1 +
 linux-doc-removal-schedule.rst        | 2 ++
 source/acknowledgements.rst           | 2 ++
 source/chapter1-introduction.rst      | 1 +
 source/chapter2-devicetree-basics.rst | 2 +-
 source/chapter3-devicenodes.rst       | 2 ++
 source/chapter4-device-bindings.rst   | 2 ++
 source/chapter5-flattened-format.rst  | 2 ++
 source/chapter6-source-language.rst   | 2 ++
 source/conf.py                        | 1 +
 source/index.rst                      | 2 ++
 source/license.rst                    | 1 +
 source/references.rst                 | 1 +
 source/revhistory.rst                 | 2 ++
 source/rst_prolog                     | 2 ++
 writers-guide.rst                     | 2 ++
 18 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/FAQ.md b/FAQ.md
index 0d8a032..c1a470e 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -43,3 +43,5 @@ only and not with Linaro membership.
 The membership proceeds go towards the defraying of Linaro’s costs for hosting devicetree.org.
 
 If you have useful FAQs you would like to see here, please contact us through the mailing list
+
+<!-- SPDX-License-Identifier: Apache-2.0 -->
diff --git a/Makefile b/Makefile
index 8e5475d..33446b0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
+#
 # Minimal makefile for Sphinx documentation
 #
 
diff --git a/README.md b/README.md
index fa21ecf..57b16d8 100644
--- a/README.md
+++ b/README.md
@@ -136,3 +136,4 @@ By making a contribution to this project, I certify that:
     this project or the open source license(s) involved.
 ```
 
+<!-- SPDX-License-Identifier: Apache-2.0 -->
diff --git a/linux-doc-removal-schedule.rst b/linux-doc-removal-schedule.rst
index 90eeed0..b0ae9b1 100644
--- a/linux-doc-removal-schedule.rst
+++ b/linux-doc-removal-schedule.rst
@@ -8,3 +8,5 @@ The content of the following files have been imported into the spec from the Lin
          bindings/
             reserved-memory/
                reserved-memory.txt     # Added commit 841c0878
+
+.. SPDX-License-Identifier: Apache-2.0
diff --git a/source/acknowledgements.rst b/source/acknowledgements.rst
index a02e0aa..5e768d4 100644
--- a/source/acknowledgements.rst
+++ b/source/acknowledgements.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 **Acknowledgements**
 
 The devicetree.org Technical Steering Committee would like to
diff --git a/source/chapter1-introduction.rst b/source/chapter1-introduction.rst
index f50e6b5..6c806af 100644
--- a/source/chapter1-introduction.rst
+++ b/source/chapter1-introduction.rst
@@ -1,3 +1,4 @@
+.. SPDX-License-Identifier: Apache-2.0
 
 .. _chapter-introduction:
 
diff --git a/source/chapter2-devicetree-basics.rst b/source/chapter2-devicetree-basics.rst
index f782137..50a6a86 100644
--- a/source/chapter2-devicetree-basics.rst
+++ b/source/chapter2-devicetree-basics.rst
@@ -1,4 +1,4 @@
-
+.. SPDX-License-Identifier: Apache-2.0
 
 .. _chapter-devicetree:
 
diff --git a/source/chapter3-devicenodes.rst b/source/chapter3-devicenodes.rst
index c248f53..b731b8f 100644
--- a/source/chapter3-devicenodes.rst
+++ b/source/chapter3-devicenodes.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-device-node-requirements:
 
 Device Node Requirements
diff --git a/source/chapter4-device-bindings.rst b/source/chapter4-device-bindings.rst
index 7e1a0f4..6e481f1 100644
--- a/source/chapter4-device-bindings.rst
+++ b/source/chapter4-device-bindings.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-device-bindings:
 
 Device Bindings
diff --git a/source/chapter5-flattened-format.rst b/source/chapter5-flattened-format.rst
index 6b1e182..26efe6e 100644
--- a/source/chapter5-flattened-format.rst
+++ b/source/chapter5-flattened-format.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-fdt-structure:
 
 Flattened Devicetree (DTB) Format
diff --git a/source/chapter6-source-language.rst b/source/chapter6-source-language.rst
index 61d05d4..7b74846 100755
--- a/source/chapter6-source-language.rst
+++ b/source/chapter6-source-language.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-devicetree-source-format:
 
 Devicetree Source (DTS) Format (version 1)
diff --git a/source/conf.py b/source/conf.py
index 1803dfa..51ffa2b 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 # -*- coding: utf-8 -*-
 #
 # Devicetree Specification documentation build configuration file, created by
diff --git a/source/index.rst b/source/index.rst
index 568e72b..120c991 100644
--- a/source/index.rst
+++ b/source/index.rst
@@ -3,6 +3,8 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
+   SPDX-License-Identifier: Apache-2.0
+
 Welcome to Devicetree Specification's documentation!
 ====================================================
 
diff --git a/source/license.rst b/source/license.rst
index 17a586f..b480895 100644
--- a/source/license.rst
+++ b/source/license.rst
@@ -1,3 +1,4 @@
+.. SPDX-License-Identifier: Apache-2.0
 
 **Copyright**
 
diff --git a/source/references.rst b/source/references.rst
index 8400e96..8d8708d 100644
--- a/source/references.rst
+++ b/source/references.rst
@@ -1,3 +1,4 @@
+.. SPDX-License-Identifier: Apache-2.0
 
 .. [IEEE1275] *Boot (Initialization Configuration) Firmware: Core Requirements
    and Practices*, 1994, This is the core standard (also known as IEEE
diff --git a/source/revhistory.rst b/source/revhistory.rst
index e302093..81b71f2 100644
--- a/source/revhistory.rst
+++ b/source/revhistory.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _revision-history:
 .. tabularcolumns:: | p{1.5cm} p{2.25cm} p{11.50cm} |
 .. table:: Revision History
diff --git a/source/rst_prolog b/source/rst_prolog
index 6cee60e..2854cc8 100644
--- a/source/rst_prolog
+++ b/source/rst_prolog
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. Revision of the specification
 
 .. |dtspec-major| replace:: 0
diff --git a/writers-guide.rst b/writers-guide.rst
index 75c291a..fde76a4 100644
--- a/writers-guide.rst
+++ b/writers-guide.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 This document uses the Sphinx implementation of reStructured Text (RST). RST is
 a flexible markup language with lots of options for laying out text. To keep
 thinks simple, this file describes the conventions used by this project. As
-- 
2.20.1