arm: Add device trees for TI-Nspire hardware

This patch adds device trees for describing the TI-Nspire hardware.

Changes between v1 and v2:
* Change "keymap" binding to the standard "linux,keymap" binding.

Signed-off-by: Daniel Tang <dt.tangr@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/boot/dts/nspire-clp.dts b/arch/arm/boot/dts/nspire-clp.dts
new file mode 100644
index 0000000..fa5a044
--- /dev/null
+++ b/arch/arm/boot/dts/nspire-clp.dts
@@ -0,0 +1,45 @@
+/*
+ *  linux/arch/arm/boot/nspire-clp.dts
+ *
+ *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ */
+/dts-v1/;
+
+/include/ "nspire-classic.dtsi"
+
+&keypad {
+	linux,keymap = <
+	0x0000001c 	0x0001001c 	0x00020039
+	0x0004002c 	0x00050034 	0x00060015
+	0x0007000b 	0x0008002d 	0x01000033
+	0x0101004e 	0x01020011 	0x01030004
+	0x0104002f 	0x01050003 	0x01060016
+	0x01070002 	0x01080014 	0x02000062
+	0x0201000c 	0x0202001f 	0x02030007
+	0x02040013 	0x02050006 	0x02060010
+	0x02070005 	0x02080019 	0x03000027
+	0x03010037 	0x03020018 	0x0303000a
+	0x03040031 	0x03050009 	0x03060032
+	0x03070008 	0x03080026 	0x04000028
+	0x04010035 	0x04020025 	0x04040024
+	0x04060017 	0x04080023 	0x05000028
+	0x05020022 	0x0503001b 	0x05040021
+	0x0505001a 	0x05060012 	0x0507006f
+	0x05080020 	0x0509002a 	0x0601001c
+	0x0602002e 	0x06030068 	0x06040030
+	0x0605006d 	0x0606001e 	0x06070001
+	0x0608002b 	0x0609000f 	0x07000067
+	0x0702006a 	0x0704006c 	0x07060069
+	0x0707000e 	0x0708001d 	0x070a000d
+	>;
+};
+
+/ {
+	model = "TI-NSPIRE Clickpad";
+	compatible = "ti,nspire-clp";
+};