ARM: dts: qcom: msm8974-hammerhead: add device tree bindings for ALS / proximity

This patch adds device tree bindings for the tsl2772 ALS / proximity
sensor for the LG Nexus 5 (hammerhead) phone.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts

@@ -242,6 +242,15 @@ cmd-data {
 			};
 		};
 
+		i2c3_pins: i2c3 {
+			mux {
+				pins = "gpio10", "gpio11";
+				function = "blsp_i2c3";
+				drive-strength = <2>;
+				bias-disable;
+			};
+		};
+
 		i2c12_pins: i2c12 {
 			mux {
 				pins = "gpio87", "gpio88";
@@ -333,6 +342,24 @@ bmp280@76 {
 			};
 		};
 	};
+
+	i2c@f9925000 {
+		status = "ok";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c3_pins>;
+		clock-frequency = <100000>;
+		qcom,src-freq = <50000000>;
+
+		avago_apds993@39 {
+			compatible = "avago,apds9930";
+			reg = <0x39>;
+			interrupts-extended = <&msmgpio 61 IRQ_TYPE_EDGE_FALLING>;
+			vdd-supply = <&pm8941_l17>;
+			vddio-supply = <&pm8941_lvs1>;
+			led-max-microamp = <100000>;
+			amstaos,proximity-diodes = <0>;
+		};
+	};
 };
 
 &spmi_bus {

arch/arm/boot/dts/qcom-msm8974.dtsi

@@ -715,6 +715,17 @@ i2c@f9924000 {
 			#size-cells = <0>;
 		};
 
+		blsp_i2c3: i2c@f9925000 {
+			status = "disabled";
+			compatible = "qcom,i2c-qup-v2.1.1";
+			reg = <0xf9925000 0x1000>;
+			interrupts = <0 97 IRQ_TYPE_NONE>;
+			clocks = <&gcc GCC_BLSP1_QUP3_I2C_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
+			clock-names = "core", "iface";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		blsp_i2c8: i2c@f9964000 {
 			status = "disabled";
 			compatible = "qcom,i2c-qup-v2.1.1";