arm64: tegra: Add gpio-keys nodes for Smaug
Add gpio-keys nodes for the volumn controls, lid switch, tablet mode and
power button.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
[treding@nvidia.com: use symbolic names for input types and codes]
[treding@nvidia.com: use wakeup-source instead of gpio-key,wakeup]
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index e687f68..89d16e0 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -1,5 +1,7 @@
/dts-v1/;
+#include <dt-bindings/input/input.h>
+
#include "tegra210.dtsi"
/ {
@@ -76,6 +78,47 @@
};
};
+ gpio-keys {
+ compatible = "gpio-keys";
+ gpio-keys,name = "gpio-keys";
+
+ power {
+ label = "Power";
+ gpios = <&gpio TEGRA_GPIO(X, 5) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_POWER>;
+ debounce-interval = <30>;
+ wakeup-source;
+ };
+
+ lid {
+ label = "Lid";
+ gpios = <&gpio TEGRA_GPIO(B, 4) GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_LID>;
+ wakeup-source;
+ };
+
+ tablet_mode {
+ label = "Tablet Mode";
+ gpios = <&gpio TEGRA_GPIO(Z, 2) GPIO_ACTIVE_HIGH>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_TABLET_MODE>;
+ wakeup-source;
+ };
+
+ volume_down {
+ label = "Volume Down";
+ gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+
+ volume_up {
+ label = "Volume Up";
+ gpios = <&gpio TEGRA_GPIO(M, 4) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+ };
+
psci {
compatible = "arm,psci-1.0";
method = "smc";