ARM: dts: db600c: add support to magnetometer

This patch adds support to on board LIS3MDLTR magnetometer.
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-apq8064-arrow-db600c-pins.dtsi

@@ -31,6 +31,14 @@
 			output-low;
 		};
 	};
+
+	magneto_pins: magneto-pins {
+		mux {
+			pins = "gpio31", "gpio48";
+			function = "gpio";
+			bias-disable;
+		};
+	};
 };
 
 &pm8921_mpps {

arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts

@@ -153,6 +153,19 @@
 				/* On Low speed expansion and Sensors */
 				label = "LS-I2C0";
 				status = "okay";
+				lis3mdl_mag@1e {
+					compatible = "st,lis3mdl-magn";
+					reg = <0x1e>;
+					vdd-supply = <&vcc3v3>;
+					vddio-supply = <&pm8921_s4>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&magneto_pins>;
+					interrupt-parent = <&tlmm_pinmux>;
+
+					st,drdy-int-pin = <2>;
+					interrupts = <48 IRQ_TYPE_EDGE_RISING>, /* DRDY line */
+						     <31 IRQ_TYPE_EDGE_RISING>; /* INT */
+				};
 			};
 		};