Dalmore have the keys mounted on board which are connected
to different pins of Tegra.
Add the keys entry in DTS file to enable key functionality.
This will enable KEY_POWER, KEY_HOME, KEY_VOLUMEUP and
KEY_VOLUMEDOWN.
Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
---
Changes from V1:
- Reorder the nodes.
arch/arm/boot/dts/tegra114-dalmore.dts | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index cb640eb..259b517 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -883,6 +883,35 @@
};
};
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ home {
+ label = "Home";
+ gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+ linux,code = <102>; /* KEY_HOME */
+ };
+
+ power {
+ label = "Power";
+ gpios = <&gpio TEGRA_GPIO(Q, 0) GPIO_ACTIVE_LOW>;
+ linux,code = <116>; /* KEY_POWER */
+ gpio-key,wakeup;
+ };
+
+ volume_down {
+ label = "VolumeDown";
+ gpios = <&gpio TEGRA_GPIO(R, 1) GPIO_ACTIVE_LOW>;
+ linux,code = <114>; /* KEY_VOLUMEDOWN */
+ };
+
+ volume_up {
+ label = "VolumeUp";
+ gpios = <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_LOW>;
+ linux,code = <115>; /* KEY_VOLUMEUP */
+ };
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -976,4 +1005,5 @@
<&tegra_car TEGRA114_CLK_EXTERN1>;
clock-names = "pll_a", "pll_a_out0", "mclk";
};
+
};
--
1.7.1.1
--
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