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ARM: tegra: whistler: enable keyboard in DT

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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>
This commit is contained in:
Laxman Dewangan 2013-01-18 11:28:43 +05:30 committed by Stephen Warren
parent ecfd6c7f05
commit 3a5c64d6ba
1 changed files with 12 additions and 0 deletions
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12
arch/arm/boot/dts/tegra20-whistler.dts
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@ -520,6 +520,18 @@ sdhci@c8000600 {
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>;