arm64: dts: qcom: msm8939-asus-z00t: add hall sensor

This device uses ANPEC APX9131 hall sensor. It is a basic GPIO hall
sensor for which a generic "gpio-keys" device tree node configuration
suffices.

Signed-off-by: Erikas Bitovtas <[email protected]>

Author: erikas9987

arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts

@@ -43,6 +43,24 @@
 		stdout-path = "serial0";
 	};
 
+	gpio-hall-sensor {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&gpio_hall_sensor_default>;
+		pinctrl-names = "default";
+
+		label = "GPIO Hall Effect Sensor";
+
+		event-hall-sensor {
+			label = "Hall Effect Sensor";
+			gpios = <&tlmm 108 GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LID>;
+			linux,can-disable;
+			debounce-interval = <150>;
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 
@@ -331,6 +349,13 @@
 		bias-pull-up;
 	};
 
+	gpio_hall_sensor_default: gpio-hall-sensor-default-state {
+		pins = "gpio108";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
 	usb_id_default: usb-id-default-state {
 		pins = "gpio110";
 		function = "gpio";