ARM: dts: Nokia N9: add support for up/down keys in the dts

This adds support for volume up/down keys in the dts.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/omap3-n9.dts b/arch/arm/boot/dts/omap3-n9.dts
index 39e35f8b8206..e44d93fc644c 100644
--- a/arch/arm/boot/dts/omap3-n9.dts
+++ b/arch/arm/boot/dts/omap3-n9.dts
@@ -11,6 +11,7 @@
 /dts-v1/;
 
 #include "omap3-n950-n9.dtsi"
+#include <dt-bindings/input/input.h>
 
 / {
         model = "Nokia N9";
@@ -72,3 +73,9 @@
         st,max-limit-y = <46>;
         st,max-limit-z = <46>;
 };
+
+&twl_keypad {
+        linux,keymap = < MATRIX_KEY(6, 8, KEY_VOLUMEUP)
+                         MATRIX_KEY(7, 8, KEY_VOLUMEDOWN)
+                         >;
+};