ARM: tegra: cardhu: Add power and volume keys
The Cardhu has a power key on the top-right as well as volume up and
volume down keys on the right side.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index a1b682e..4396341 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -1,3 +1,4 @@
+#include <dt-bindings/input/input.h>
#include "tegra30.dtsi"
/**
@@ -615,4 +616,31 @@
<&tegra_car TEGRA30_CLK_EXTERN1>;
clock-names = "pll_a", "pll_a_out0", "mclk";
};
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ power {
+ label = "Power";
+ interrupt-parent = <&pmic>;
+ interrupts = <2 0>;
+ linux,code = <KEY_POWER>;
+ debounce-interval = <100>;
+ gpio-key,wakeup;
+ };
+
+ volume-down {
+ label = "Volume Down";
+ gpios = <&gpio TEGRA_GPIO(R, 0) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ debounce-interval = <10>;
+ };
+
+ volume-up {
+ label = "Volume Up";
+ gpios = <&gpio TEGRA_GPIO(R, 1) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ debounce-interval = <10>;
+ };
+ };
};