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authorLaxman Dewangan <ldewangan@nvidia.com>2013-01-18 09:58:43 +0400
committerStephen Warren <swarren@nvidia.com>2013-01-28 22:24:08 +0400
commit3a5c64d6bacbeb25d8aa5ccb18ca49de99dee027 (patch)
treee0d76795b8f1dc18658dc3d58cc1e2c7aecf28d9 /arch/arm/boot/dts/tegra20-whistler.dts
parentecfd6c7f05db5c3f41f846d489861646e0934b56 (diff)
downloadlinux-3a5c64d6bacbeb25d8aa5ccb18ca49de99dee027.tar.xz
ARM: tegra: whistler: enable keyboard in DT
Enable Tegra based keyboard controller and populate the key mapping for Whistler. With this patch, HOME, BACK, POWER and MENU keys will work. Still other keys which are in ROW3 and ROW4 will not work as it conflicts with KBC pins on SDIO2 pinmux. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/boot/dts/tegra20-whistler.dts')
-rw-r--r--arch/arm/boot/dts/tegra20-whistler.dts12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts
index 5836ad6fb4dd..b8e0ee1d2172 100644
--- a/arch/arm/boot/dts/tegra20-whistler.dts
+++ b/arch/arm/boot/dts/tegra20-whistler.dts
@@ -520,6 +520,18 @@
bus-width = <8>;
};
+ kbc {
+ status = "okay";
+ nvidia,debounce-delay-ms = <20>;
+ nvidia,repeat-delay-ms = <160>;
+ nvidia,kbc-row-pins = <0 1 2>;
+ nvidia,kbc-col-pins = <16 17>;
+ linux,keymap = <0x00000074 /* KEY_POWER */
+ 0x01000066 /* KEY_HOME */
+ 0x0101009E /* KEY_BACK */
+ 0x0201008B>; /* KEY_MENU */
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;