HSI: Add HSI API documentation

Add an entry for HSI in the device-drivers section of
the kernel documentation.

Signed-off-by: Carlos Chinea <carlos.chinea@nokia.com>

diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index b638e50cf8f604b8bacb3a4a0f974653ca055071..5f70f734e8b424d7be0af5b71f909906e19caa18 100644 (file)
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -437,4 +437,21 @@ X!Idrivers/video/console/fonts.c
 !Edrivers/i2c/i2c-core.c
   </chapter>
 
+  <chapter id="hsi">
+     <title>High Speed Synchronous Serial Interface (HSI)</title>
+
+     <para>
+       High Speed Synchronous Serial Interface (HSI) is a
+       serial interface mainly used for connecting application
+       engines (APE) with cellular modem engines (CMT) in cellular
+       handsets.
+
+       HSI provides multiplexing for up to 16 logical channels,
+       low-latency and full duplex communication.
+     </para>
+
+!Iinclude/linux/hsi/hsi.h
+!Edrivers/hsi/hsi.c
+  </chapter>
+
 </book>