keyboard: add tc35893 driver

This patch is based on the following work:

Keypad tc35893: Fix the Keypad Driver interrupt enable/disable
ST-Ericsson ID: ER274519
Author: Ankur Vaish <ankur.vaish@stericsson.com>

Keypad: Disable EV_REP to disable reporting repeated key events
ST-Ericsson Id:ER 264416
Author: Jayeeta Banerjee <jayeeta.banerjee@stericsson.com>

Add support for TC35893 Keypad Controller
ST-Ericsson ID: AP261147
Author: Jayeeta Banerjee <jayeeta.banerjee@stericsson.com>

Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>

2 files changed, 115 insertions, 1 deletions

diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
index f9b3b24cb8e..815eb52da02 100644
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@ -15,7 +15,8 @@ DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \
 	    80211.xml debugobjects.xml sh.xml regulator.xml \
 	    alsa-driver-api.xml writing-an-alsa-driver.xml \
 	    tracepoint.xml media.xml drm.xml \
-	    i2s.xml msp.xml shrm.xml stmpe.xml touchp.xml
+	    i2s.xml msp.xml shrm.xml stmpe.xml touchp.xml \
+	    tc_keypad.xml
 
 ###
 # The build process is as follows (targets):
diff --git a/Documentation/DocBook/tc_keypad.tmpl b/Documentation/DocBook/tc_keypad.tmpl
new file mode 100644
index 00000000000..8c69345df44
--- /dev/null
+++ b/Documentation/DocBook/tc_keypad.tmpl
@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
+	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
+
+<book id="TC35893">
+ <bookinfo>
+  <title>TC35893 Keypad</title>
+
+  <authorgroup>
+   <author>
+    <firstname>Jayeeta</firstname>
+    <surname>Banerjee</surname>
+    <affiliation>
+     <address>
+      <email>jayeeta.banerjee@stericsson.com</email>
+     </address>
+    </affiliation>
+   </author>
+   </authorgroup>
+
+  <copyright>
+   <year>2010</year>
+   <holder>ST-Ericsson</holder>
+  </copyright>
+
+  <subjectset>
+    <subject>
+      <subjectterm>Linux standard functions</subjectterm>
+    </subject>
+  </subjectset>
+
+  <legalnotice>
+   <!-- Do NOT remove the legal notice below -->
+
+  <para>
+     This documentation is free software; you can redistribute
+     it and/or modify it under the terms of the GNU General Public
+     License as published by the Free Software Foundation; either
+     version 2 of the License, or (at your option) any later
+     version.
+   </para>
+
+   <para>
+     This program is distributed in the hope that it will be
+     useful, but WITHOUT ANY WARRANTY; without even the implied
+     warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+     See the GNU General Public License for more details.
+   </para>
+
+   <para>
+     You should have received a copy of the GNU General Public
+     License along with this program; if not, write to the Free
+     Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+     MA 02111-1307 USA
+   </para>
+
+   <para>
+     For more details see the file COPYING in the source
+     distribution of Linux.
+   </para>
+  </legalnotice>
+ </bookinfo>
+
+<toc></toc>
+
+  <chapter id="intro">
+    <title>Introduction</title>
+    <para>
+	This documentation describes the API provided by the keypad driver for TC35893 controller
+    </para>
+    </chapter>
+
+  <chapter id="bugs">
+     <title>Known Bugs And Assumptions</title>
+  <para>
+     <variablelist>
+     <varlistentry>
+       <term>None</term>
+       <listitem>
+         <para>
+		None.
+           </para>
+       </listitem>
+     </varlistentry>
+     </variablelist>
+  </para>
+  </chapter>
+
+     <chapter id="structs">
+     <title>Structures</title>
+     <para>
+     This chapter contains the autogenerated documentation of the structures which are
+     used in the keypad driver.
+     </para>
+!Iarch/arm/mach-ux500/include/mach/tc35893-keypad.h
+  </chapter>
+
+  <chapter id="pubfunctions">
+     <title>Public Functions Provided</title>
+     <para>
+	Not Applicable.
+     </para>
+  </chapter>
+
+  <chapter id="intfunctions">
+     <title>Internal Functions Provided</title>
+     <para>
+     This chapter contains the autogenerated documentation of the internal functions.
+     </para>
+!Idrivers/input/keyboard/tc35893-keypad.c
+  </chapter>
+
+  </book>