@@ -4,6 +4,9 @@
#include "qcom-msm8960.dtsi"
#include "pm8921.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/input/gpio-keys.h>
/ {
model = "Samsung Galaxy Express SGH-I437";
@@ -19,6 +22,36 @@ aliases {
chosen {
stdout-path = "serial0:115200n8";
};
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_keys_pin_a>;
+
+ key-home {
+ label = "Home";
+ gpios = <&msmgpio 40 GPIO_ACTIVE_LOW>;
+ debounce-interval = <5>;
+ linux,code = <KEY_HOMEPAGE>;
+ wakeup-event-action = <EV_ACT_ASSERTED>;
+ wakeup-source;
+ };
+
+ key-volume-up {
+ label = "Volume Up";
+ gpios = <&msmgpio 50 GPIO_ACTIVE_LOW>;
+ debounce-interval = <5>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ key-volume-down {
+ label = "Volume Down";
+ gpios = <&msmgpio 81 GPIO_ACTIVE_LOW>;
+ debounce-interval = <5>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+ };
};
&gsbi5 {
@@ -83,6 +116,13 @@ clk-pins {
bias-disable;
};
};
+
+ gpio_keys_pin_a: gpio-keys-active-state {
+ pins = "gpio40", "gpio50", "gpio81";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ };
};
&pm8921 {