Documentation: coresight: Add documentation for CoreSight config

Adds documentation for the CoreSight System configuration manager.

Link: https://lore.kernel.org/r/20210723165444.1048-11-mike.leach@linaro.org
[Fixed coresight-config.rst documentation link]
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210818194022.379573-11-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/Documentation/trace/coresight/coresight.rst b/Documentation/trace/coresight/coresight.rst
index 1ec8dc35b1d8..a15571d96cc8 100644
--- a/Documentation/trace/coresight/coresight.rst
+++ b/Documentation/trace/coresight/coresight.rst
@@ -620,6 +620,19 @@ channels on the CTM (Cross Trigger Matrix).
 A separate documentation file is provided to explain the use of these devices.
 (Documentation/trace/coresight/coresight-ect.rst) [#fourth]_.
 
+CoreSight System Configuration
+------------------------------
+
+CoreSight components can be complex devices with many programming options.
+Furthermore, components can be programmed to interact with each other across the
+complete system.
+
+A CoreSight System Configuration manager is provided to allow these complex programming
+configurations to be selected and used easily from perf and sysfs.
+
+See the separate document for further information.
+(Documentation/trace/coresight/coresight-config.rst) [#fifth]_.
+
 
 .. [#first] Documentation/ABI/testing/sysfs-bus-coresight-devices-stm
 
@@ -628,3 +641,5 @@ A separate documentation file is provided to explain the use of these devices.
 .. [#third] https://github.com/Linaro/perf-opencsd
 
 .. [#fourth] Documentation/trace/coresight/coresight-ect.rst
+
+.. [#fifth] Documentation/trace/coresight/coresight-config.rst