ARM: dts: imx6qdl-gw5904: add lsm9ds1 iio imu/magn support

Add one node for the accel/gyro i2c device and another for the separate
magnetometer device in the lsm9ds1.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-gw5904.dtsi

@@ -248,6 +248,15 @@ &i2c2 {
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
 
+	magn@1c {
+		compatible = "st,lsm9ds1-magn";
+		reg = <0x1c>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mag>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <17 IRQ_TYPE_EDGE_RISING>;
+	};
+
 	ltc3676: pmic@3c {
 		compatible = "lltc,ltc3676";
 		reg = <0x3c>;
@@ -320,6 +329,16 @@ reg_3p0v: ldo4 {
 			};
 		};
 	};
+
+	imu@6a {
+		compatible = "st,lsm9ds1-imu";
+		reg = <0x6a>;
+		st,drdy-int-pin = <1>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_imu>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
+	};
 };
 
 &i2c3 {
@@ -501,6 +520,18 @@ MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
 		>;
 	};
 
+	pinctrl_imu: imugrp {
+		fsl,pins = <
+			MX6QDL_PAD_DI0_PIN2__GPIO4_IO18		0x1b0b0
+		>;
+	};
+
+	pinctrl_mag: maggrp {
+		fsl,pins = <
+			MX6QDL_PAD_DISP0_DAT23__GPIO5_IO17	0x1b0b0
+		>;
+	};
+
 	pinctrl_pcie: pciegrp {
 		fsl,pins = <
 			MX6QDL_PAD_GPIO_0__GPIO1_IO00	0x1b0b0 /* PCIE RST */