ARM: dts: Add labels to exynos4 nodes

Add new labels to certain nodes so they could be easily referenced by
Exynos4 board DTS files.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/boot/dts/exynos4.dtsi

@@ -256,7 +256,7 @@
 		};
 	};
 
-	watchdog@10060000 {
+	watchdog: watchdog@10060000 {
 		compatible = "samsung,s3c2410-wdt";
 		reg = <0x10060000 0x100>;
 		interrupts = <0 43 0>;
@@ -275,7 +275,7 @@
 		status = "disabled";
 	};
 
-	keypad@100A0000 {
+	keypad: keypad@100A0000 {
 		compatible = "samsung,s5pv210-keypad";
 		reg = <0x100A0000 0x100>;
 		interrupts = <0 109 0>;
@@ -284,7 +284,7 @@
 		status = "disabled";
 	};
 
-	sdhci@12510000 {
+	sdhci_0: sdhci@12510000 {
 		compatible = "samsung,exynos4210-sdhci";
 		reg = <0x12510000 0x100>;
 		interrupts = <0 73 0>;
@@ -293,7 +293,7 @@
 		status = "disabled";
 	};
 
-	sdhci@12520000 {
+	sdhci_1: sdhci@12520000 {
 		compatible = "samsung,exynos4210-sdhci";
 		reg = <0x12520000 0x100>;
 		interrupts = <0 74 0>;
@@ -302,7 +302,7 @@
 		status = "disabled";
 	};
 
-	sdhci@12530000 {
+	sdhci_2: sdhci@12530000 {
 		compatible = "samsung,exynos4210-sdhci";
 		reg = <0x12530000 0x100>;
 		interrupts = <0 75 0>;
@@ -311,7 +311,7 @@
 		status = "disabled";
 	};
 
-	sdhci@12540000 {
+	sdhci_3: sdhci@12540000 {
 		compatible = "samsung,exynos4210-sdhci";
 		reg = <0x12540000 0x100>;
 		interrupts = <0 76 0>;
@@ -330,7 +330,7 @@
 		status = "disabled";
 	};
 
-	hsotg@12480000 {
+	hsotg: hsotg@12480000 {
 		compatible = "samsung,s3c6400-hsotg";
 		reg = <0x12480000 0x20000>;
 		interrupts = <0 71 0>;
@@ -341,7 +341,7 @@
 		status = "disabled";
 	};
 
-	ehci@12580000 {
+	ehci: ehci@12580000 {
 		compatible = "samsung,exynos4210-ehci";
 		reg = <0x12580000 0x100>;
 		interrupts = <0 70 0>;
@@ -367,7 +367,7 @@
 		};
 	};
 
-	ohci@12590000 {
+	ohci: ohci@12590000 {
 		compatible = "samsung,exynos4210-ohci";
 		reg = <0x12590000 0x100>;
 		interrupts = <0 70 0>;
@@ -620,7 +620,7 @@
 		status = "disabled";
 	};
 
-	pwm@139D0000 {
+	pwm: pwm@139D0000 {
 		compatible = "samsung,exynos4210-pwm";
 		reg = <0x139D0000 0x1000>;
 		interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>, <0 41 0>;
@@ -688,7 +688,7 @@
 		#include "exynos4412-tmu-sensor-conf.dtsi"
 	};
 
-	jpeg-codec@11840000 {
+	jpeg_codec: jpeg-codec@11840000 {
 		compatible = "samsung,exynos4210-jpeg";
 		reg = <0x11840000 0x1000>;
 		interrupts = <0 88 0>;

arch/arm/boot/dts/exynos4210.dtsi

@@ -62,7 +62,7 @@
 		#clock-cells = <1>;
 	};
 
-	sysram@02020000 {
+	sysram: sysram@02020000 {
 		compatible = "mmio-sram";
 		reg = <0x02020000 0x20000>;
 		#address-cells = <1>;
@@ -107,7 +107,7 @@
 			     <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>;
 	};
 
-	mct@10050000 {
+	mct: mct@10050000 {
 		compatible = "samsung,exynos4210-mct";
 		reg = <0x10050000 0x800>;
 		interrupt-parent = <&mct_map>;
@@ -189,7 +189,7 @@
 		};
 	};
 
-	g2d@12800000 {
+	g2d: g2d@12800000 {
 		compatible = "samsung,s5pv210-g2d";
 		reg = <0x12800000 0x1000>;
 		interrupts = <0 89 0>;

arch/arm/boot/dts/exynos4x12-pinctrl.dtsi

@@ -29,7 +29,7 @@
 	}
 
 / {
-	pinctrl@11400000 {
+	pinctrl_0: pinctrl@11400000 {
 		gpa0: gpa0 {
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -441,7 +441,7 @@
 		};
 	};
 
-	pinctrl@11000000 {
+	pinctrl_1: pinctrl@11000000 {
 		gpk0: gpk0 {
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -887,7 +887,7 @@
 		};
 	};
 
-	pinctrl@03860000 {
+	pinctrl_2: pinctrl@03860000 {
 		gpz: gpz {
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -913,7 +913,7 @@
 		};
 	};
 
-	pinctrl@106E0000 {
+	pinctrl_3: pinctrl@106E0000 {
 		gpv0: gpv0 {
 			gpio-controller;
 			#gpio-cells = <2>;

arch/arm/boot/dts/exynos4x12.dtsi

@@ -159,7 +159,7 @@
 		#clock-cells = <1>;
 	};
 
-	g2d@10800000 {
+	g2d: g2d@10800000 {
 		compatible = "samsung,exynos4212-g2d";
 		reg = <0x10800000 0x1000>;
 		interrupts = <0 89 0>;