ARM: dts: imx: use nodes label in board dts

Following omap3-evm.dts way, it changes all imx dts files to use label
in board dts to refer to nodes defined by soc dtsi.  Thus, the board
dts files become easier to read and edit with the least indentation
levels.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx53-qsb.dts b/arch/arm/boot/dts/imx53-qsb.dts
index b007553..05cc562 100644
--- a/arch/arm/boot/dts/imx53-qsb.dts
+++ b/arch/arm/boot/dts/imx53-qsb.dts
@@ -21,200 +21,6 @@
 		reg = <0x70000000 0x40000000>;
 	};
 
-	soc {
-		aips@50000000 { /* AIPS1 */
-			spba@50000000 {
-				esdhc@50004000 { /* ESDHC1 */
-					pinctrl-names = "default";
-					pinctrl-0 = <&pinctrl_esdhc1_1>;
-					cd-gpios = <&gpio3 13 0>;
-					status = "okay";
-				};
-
-				ssi2: ssi@50014000 {
-					fsl,mode = "i2s-slave";
-					status = "okay";
-				};
-
-				esdhc@50020000 { /* ESDHC3 */
-					pinctrl-names = "default";
-					pinctrl-0 = <&pinctrl_esdhc3_1>;
-					cd-gpios = <&gpio3 11 0>;
-					wp-gpios = <&gpio3 12 0>;
-					status = "okay";
-				};
-			};
-
-			iomuxc@53fa8000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_hog>;
-
-				hog {
-					pinctrl_hog: hoggrp {
-						fsl,pins = <
-							1071 0x80000000	/* MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK */
-							1141 0x80000000	/* MX53_PAD_GPIO_8__GPIO1_8 */
-							982  0x80000000	/* MX53_PAD_PATA_DATA14__GPIO2_14 */
-							989  0x80000000	/* MX53_PAD_PATA_DATA15__GPIO2_15 */
-							693  0x80000000	/* MX53_PAD_EIM_DA11__GPIO3_11 */
-							697  0x80000000	/* MX53_PAD_EIM_DA12__GPIO3_12 */
-							701  0x80000000	/* MX53_PAD_EIM_DA13__GPIO3_13 */
-							868  0x80000000	/* MX53_PAD_PATA_DA_0__GPIO7_6 */
-							1149 0x80000000 /* MX53_PAD_GPIO_16__GPIO7_11 */
-						>;
-					};
-
-					led_pin_gpio7_7: led_gpio7_7@0 {
-						fsl,pins = <
-							873  0x80000000	/* MX53_PAD_PATA_DA_1__GPIO7_7 */
-						>;
-					};
-				};
-
-			};
-
-			uart1: serial@53fbc000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_uart1_1>;
-				status = "okay";
-			};
-		};
-
-		aips@60000000 {	/* AIPS2 */
-			i2c@63fc4000 { /* I2C2 */
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c2_1>;
-				status = "okay";
-
-				sgtl5000: codec@0a {
-					compatible = "fsl,sgtl5000";
-					reg = <0x0a>;
-					VDDA-supply = <&reg_3p2v>;
-					VDDIO-supply = <&reg_3p2v>;
-				};
-			};
-
-			i2c@63fc8000 { /* I2C1 */
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c1_1>;
-				status = "okay";
-
-				accelerometer: mma8450@1c {
-					compatible = "fsl,mma8450";
-					reg = <0x1c>;
-				};
-
-				pmic: dialog@48 {
-					compatible = "dlg,da9053-aa", "dlg,da9052";
-					reg = <0x48>;
-					interrupt-parent = <&gpio7>;
-					interrupts = <11 0x8>; /* low-level active IRQ at GPIO7_11 */
-
-					regulators {
-						buck1_reg: buck1 {
-							regulator-min-microvolt = <500000>;
-							regulator-max-microvolt = <2075000>;
-							regulator-always-on;
-						};
-
-						buck2_reg: buck2 {
-							regulator-min-microvolt = <500000>;
-							regulator-max-microvolt = <2075000>;
-							regulator-always-on;
-						};
-
-						buck3_reg: buck3 {
-							regulator-min-microvolt = <925000>;
-					                regulator-max-microvolt = <2500000>;
-							regulator-always-on;
-						};
-
-						buck4_reg: buck4 {
-							regulator-min-microvolt = <925000>;
-					                regulator-max-microvolt = <2500000>;
-							regulator-always-on;
-						};
-
-						ldo1_reg: ldo1 {
-							regulator-min-microvolt = <600000>;
-							regulator-max-microvolt = <1800000>;
-							regulator-boot-on;
-							regulator-always-on;
-						};
-
-						ldo2_reg: ldo2 {
-							regulator-min-microvolt = <600000>;
-							regulator-max-microvolt = <1800000>;
-							regulator-always-on;
-						};
-
-						ldo3_reg: ldo3 {
-							regulator-min-microvolt = <600000>;
-					                regulator-max-microvolt = <1800000>;
-							regulator-always-on;
-						};
-
-						ldo4_reg: ldo4 {
-							regulator-min-microvolt = <1725000>;
-					                regulator-max-microvolt = <3300000>;
-							regulator-always-on;
-						};
-
-						ldo5_reg: ldo5 {
-							regulator-min-microvolt = <1725000>;
-					                regulator-max-microvolt = <3300000>;
-							regulator-always-on;
-						};
-
-						ldo6_reg: ldo6 {
-							regulator-min-microvolt = <1200000>;
-					                regulator-max-microvolt = <3600000>;
-							regulator-always-on;
-						};
-
-						ldo7_reg: ldo7 {
-							regulator-min-microvolt = <1200000>;
-					                regulator-max-microvolt = <3600000>;
-							regulator-always-on;
-						};
-
-						ldo8_reg: ldo8 {
-							regulator-min-microvolt = <1200000>;
-					                regulator-max-microvolt = <3600000>;
-							regulator-always-on;
-						};
-
-						ldo9_reg: ldo9 {
-							regulator-min-microvolt = <1200000>;
-					                regulator-max-microvolt = <3600000>;
-							regulator-always-on;
-						};
-
-						ldo10_reg: ldo10 {
-							regulator-min-microvolt = <1250000>;
-					                regulator-max-microvolt = <3650000>;
-							regulator-always-on;
-						};
-					};
-				};
-			};
-
-			audmux@63fd0000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_audmux_1>;
-				status = "okay";
-			};
-
-			ethernet@63fec000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_fec_1>;
-				phy-mode = "rmii";
-				phy-reset-gpios = <&gpio7 6 0>;
-				status = "okay";
-			};
-		};
-	};
-
 	gpio-keys {
 		compatible = "gpio-keys";
 
@@ -276,3 +82,189 @@
 		mux-ext-port = <5>;
 	};
 };
+
+&esdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc1_1>;
+	cd-gpios = <&gpio3 13 0>;
+	status = "okay";
+};
+
+&ssi2 {
+	fsl,mode = "i2s-slave";
+	status = "okay";
+};
+
+&esdhc3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc3_1>;
+	cd-gpios = <&gpio3 11 0>;
+	wp-gpios = <&gpio3 12 0>;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
+	hog {
+		pinctrl_hog: hoggrp {
+			fsl,pins = <
+				1071 0x80000000	/* MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK */
+				1141 0x80000000	/* MX53_PAD_GPIO_8__GPIO1_8 */
+				982  0x80000000	/* MX53_PAD_PATA_DATA14__GPIO2_14 */
+				989  0x80000000	/* MX53_PAD_PATA_DATA15__GPIO2_15 */
+				693  0x80000000	/* MX53_PAD_EIM_DA11__GPIO3_11 */
+				697  0x80000000	/* MX53_PAD_EIM_DA12__GPIO3_12 */
+				701  0x80000000	/* MX53_PAD_EIM_DA13__GPIO3_13 */
+				868  0x80000000	/* MX53_PAD_PATA_DA_0__GPIO7_6 */
+				1149 0x80000000 /* MX53_PAD_GPIO_16__GPIO7_11 */
+			>;
+		};
+
+		led_pin_gpio7_7: led_gpio7_7@0 {
+			fsl,pins = <
+				873  0x80000000	/* MX53_PAD_PATA_DA_1__GPIO7_7 */
+			>;
+		};
+	};
+
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1_1>;
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2_1>;
+	status = "okay";
+
+	sgtl5000: codec@0a {
+		compatible = "fsl,sgtl5000";
+		reg = <0x0a>;
+		VDDA-supply = <&reg_3p2v>;
+		VDDIO-supply = <&reg_3p2v>;
+	};
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1_1>;
+	status = "okay";
+
+	accelerometer: mma8450@1c {
+		compatible = "fsl,mma8450";
+		reg = <0x1c>;
+	};
+
+	pmic: dialog@48 {
+		compatible = "dlg,da9053-aa", "dlg,da9052";
+		reg = <0x48>;
+		interrupt-parent = <&gpio7>;
+		interrupts = <11 0x8>; /* low-level active IRQ at GPIO7_11 */
+
+		regulators {
+			buck1_reg: buck1 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <2075000>;
+				regulator-always-on;
+			};
+
+			buck2_reg: buck2 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <2075000>;
+				regulator-always-on;
+			};
+
+			buck3_reg: buck3 {
+				regulator-min-microvolt = <925000>;
+				regulator-max-microvolt = <2500000>;
+				regulator-always-on;
+			};
+
+			buck4_reg: buck4 {
+				regulator-min-microvolt = <925000>;
+				regulator-max-microvolt = <2500000>;
+				regulator-always-on;
+			};
+
+			ldo1_reg: ldo1 {
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo2_reg: ldo2 {
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo3_reg: ldo3 {
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo4_reg: ldo4 {
+				regulator-min-microvolt = <1725000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			ldo5_reg: ldo5 {
+				regulator-min-microvolt = <1725000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			ldo6_reg: ldo6 {
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3600000>;
+				regulator-always-on;
+			};
+
+			ldo7_reg: ldo7 {
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3600000>;
+				regulator-always-on;
+			};
+
+			ldo8_reg: ldo8 {
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3600000>;
+				regulator-always-on;
+			};
+
+			ldo9_reg: ldo9 {
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3600000>;
+				regulator-always-on;
+			};
+
+			ldo10_reg: ldo10 {
+				regulator-min-microvolt = <1250000>;
+				regulator-max-microvolt = <3650000>;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
+&audmux {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_audmux_1>;
+	status = "okay";
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec_1>;
+	phy-mode = "rmii";
+	phy-reset-gpios = <&gpio7 6 0>;
+	status = "okay";
+};