ARM: dts: qcom: msm8960: expressatt: Add Light/Proximity Sensor

Currently the Proximity Sensor doesn't work, but light sensor does.
Left the proximity sensor as a TODO for later.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
Link: https://lore.kernel.org/r/20251124-expressatt_nfc_accel_magn_light-v4-2-9c5686ad67e2@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: Rudraksha Gupta

arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts

@@ -54,6 +54,31 @@
 	};
 };
 
+&gsbi2 {
+	qcom,mode = <GSBI_PROT_I2C>;
+
+	status = "okay";
+};
+
+&gsbi2_i2c {
+	status = "okay";
+
+	light-sensor@39 {
+		compatible = "amstaos,tmd2772";
+		reg = <0x39>;
+		interrupts-extended = <&pm8921_gpio 6 IRQ_TYPE_EDGE_FALLING>;
+		vdd-supply = <&pm8921_l9>;
+		vddio-supply = <&pm8921_lvs4>;
+
+		/* TODO: Proximity doesn't work */
+		amstaos,proximity-diodes = <0>;
+		led-max-microamp = <100000>;
+
+		pinctrl-0 = <&prox_sensor_int>;
+		pinctrl-names = "default";
+	};
+};
+
 &gsbi5 {
 	qcom,mode = <GSBI_PROT_I2C_UART>;
 	status = "okay";
@@ -163,6 +188,15 @@
 	interrupts-extended = <&tlmm 104 IRQ_TYPE_LEVEL_LOW>;
 };
 
+&pm8921_gpio {
+	prox_sensor_int: prox-sensor-int-state {
+		pins = "gpio6";
+		function = "normal";
+		input-enable;
+		bias-disable;
+	};
+};
+
 &rpm {
 	regulators {
 		compatible = "qcom,rpm-pm8921-regulators";