From 8f2da767ee00f79c2983c69becbac3189bc3c554 Mon Sep 17 00:00:00 2001
From: Wentong Wu <wentong.wu@intel.com>
Date: Wed, 25 Sep 2019 20:25:51 +0800
Subject: [PATCH] doc: power_management: add diagrams illustrating power
 management

Add diagram showing the current system power management and the central
method of device power management.

The diagrams were made using draw.io and can be edit using draw.io.y

Signed-off-by: Wentong Wu <wentong.wu@intel.com>
---
 doc/reference/power_management/central_method.svg | 3 +++
 doc/reference/power_management/index.rst          | 3 +++
 2 files changed, 6 insertions(+)
 create mode 100644 doc/reference/power_management/central_method.svg

diff --git a/doc/reference/power_management/central_method.svg b/doc/reference/power_management/central_method.svg
new file mode 100644
index 00000000000..cc132d98802
--- /dev/null
+++ b/doc/reference/power_management/central_method.svg
@@ -0,0 +1,3 @@
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\ No newline at end of file
diff --git a/doc/reference/power_management/index.rst b/doc/reference/power_management/index.rst
index b09ae17992f..944a66fad58 100644
--- a/doc/reference/power_management/index.rst
+++ b/doc/reference/power_management/index.rst
@@ -205,6 +205,9 @@ transaction that cannot be interrupted. This method can be used in
 implementations where the applications and components using devices are not
 expected to be power aware and do not implement device power management.
 
+.. image:: central_method.svg
+   :align: center
+
 This method can also be used to emulate a hardware feature supported by some
 SOCs which cause automatic entry to deep sleep when all devices are idle.
 Refer to `Busy Status Indication`_ to see how to indicate whether a device is busy