Documentation: add Linux ACPI to Sphinx TOC tree
Add below index.rst files for ACPI subsystem. More docs will be added later.
o admin-guide/acpi/index.rst
o driver-api/acpi/index.rst
o firmware-guide/index.rst
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/Documentation/firmware-guide/index.rst b/Documentation/firmware-guide/index.rst
new file mode 100644
index 0000000..5355784
--- /dev/null
+++ b/Documentation/firmware-guide/index.rst
@@ -0,0 +1,13 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===============================
+The Linux kernel firmware guide
+===============================
+
+This section describes the ACPI subsystem in Linux from firmware perspective.
+
+.. toctree::
+ :maxdepth: 1
+
+ acpi/index
+