diff --git a/arch/arm/dts/exynos4.dtsi b/arch/arm/dts/exynos4.dtsi
index 77fad48..3c983ed 100644
--- a/arch/arm/dts/exynos4.dtsi
+++ b/arch/arm/dts/exynos4.dtsi
@@ -143,11 +143,4 @@
 		interrupts = <0 131 0>;
 	};
 
-	gpio: gpio {
-		gpio-controller;
-		#gpio-cells = <2>;
-
-		interrupt-controller;
-		#interrupt-cells = <2>;
-	};
 };
diff --git a/arch/arm/dts/exynos4210-origen.dts b/arch/arm/dts/exynos4210-origen.dts
index dd2476c..3f87761 100644
--- a/arch/arm/dts/exynos4210-origen.dts
+++ b/arch/arm/dts/exynos4210-origen.dts
@@ -36,7 +36,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 0xA2 0>;
+		cd-gpios = <&gpk2 2 0>;
 	};
 
 	sdhci@12540000 {
diff --git a/arch/arm/dts/exynos4210-trats.dts b/arch/arm/dts/exynos4210-trats.dts
index 8c7a2c3..36d02df 100644
--- a/arch/arm/dts/exynos4210-trats.dts
+++ b/arch/arm/dts/exynos4210-trats.dts
@@ -101,7 +101,7 @@
 	sdhci@12510000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <1 3 3>;
-		pwr-gpios = <&gpio 146 0>;
+		pwr-gpios = <&gpk0 2 0>;
 	};
 
 	sdhci@12520000 {
@@ -111,7 +111,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 284 0>;
+		cd-gpios = <&gpx3 4 0>;
 	};
 
 	sdhci@12540000 {
diff --git a/arch/arm/dts/exynos4210-universal_c210.dts b/arch/arm/dts/exynos4210-universal_c210.dts
index 808c3f7..16948c9 100644
--- a/arch/arm/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/dts/exynos4210-universal_c210.dts
@@ -24,7 +24,7 @@
 	sdhci@12510000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <1 3 3>;
-		pwr-gpios = <&gpio 146 0>;
+		pwr-gpios = <&gpk0 2 0>;
 	};
 
 	sdhci@12520000 {
@@ -34,7 +34,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 284 0>;
+		cd-gpios = <&gpx3 4 0>;
 	};
 
 	sdhci@12540000 {
@@ -43,10 +43,10 @@
 
 	soft-spi {
 		compatible = "u-boot,soft-spi";
-		cs-gpio = <&gpio 235 0>;	/* Y43 */
-		sclk-gpio = <&gpio 225 0>;	/* Y31 */
-		mosi-gpio = <&gpio 227 0>;	/* Y33 */
-		miso-gpio = <&gpio 224 0>;	/* Y30 */
+		cs-gpio = <&gpy4 3 0>;
+		sclk-gpio = <&gpy3 1 0>;
+		mosi-gpio = <&gpy3 3 0>;
+		miso-gpio = <&gpy3 0 0>;
 		spi-delay-us = <1>;
 		#address-cells = <1>;
 		#size-cells = <0>;
diff --git a/arch/arm/dts/exynos4412-odroid.dts b/arch/arm/dts/exynos4412-odroid.dts
index c78efec..29ad6ab 100644
--- a/arch/arm/dts/exynos4412-odroid.dts
+++ b/arch/arm/dts/exynos4412-odroid.dts
@@ -51,7 +51,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 122 0>;
+		cd-gpios = <&gpk2 2 0>;
 	};
 
 	sdhci@12540000 {
diff --git a/arch/arm/dts/exynos4412-trats2.dts b/arch/arm/dts/exynos4412-trats2.dts
index 60e4515..dd238df 100644
--- a/arch/arm/dts/exynos4412-trats2.dts
+++ b/arch/arm/dts/exynos4412-trats2.dts
@@ -416,7 +416,7 @@
 	sdhci@12510000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <1 3 3>;
-		pwr-gpios = <&gpio 0x6a 0>;
+		pwr-gpios = <&gpk0 4 0>;
 		status = "disabled";
 	};
 
@@ -427,7 +427,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 0x7a 0>;
+		cd-gpios = <&gpk2 2 0>;
 	};
 
 	sdhci@12540000 {
@@ -437,7 +437,7 @@
 	dwmmc@12550000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <2 1 0>;
-		pwr-gpios = <&gpio 0x6a 0>;
+		pwr-gpios = <&gpk0 4 0>;
 		fifoth_val = <0x203f0040>;
 		bus_hz = <400000000>;
 		div = <0x3>;
diff --git a/arch/arm/dts/exynos5.dtsi b/arch/arm/dts/exynos5.dtsi
index e539068..238acb8 100644
--- a/arch/arm/dts/exynos5.dtsi
+++ b/arch/arm/dts/exynos5.dtsi
@@ -6,6 +6,7 @@
  */
 
 #include "skeleton.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	compatible = "samsung,exynos5";
@@ -247,7 +248,4 @@
 		u-boot,dm-pre-reloc;
 		id = <3>;
 	};
-
-	gpio: gpio {
-	};
 };
diff --git a/arch/arm/dts/exynos5250-smdk5250.dts b/arch/arm/dts/exynos5250-smdk5250.dts
index 8850409..9273562 100644
--- a/arch/arm/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/dts/exynos5250-smdk5250.dts
@@ -146,6 +146,6 @@
 	};
 
 	ehci@12110000 {
-		samsung,vbus-gpio = <&gpio 0x316 0>; /* X26 */
+		samsung,vbus-gpio = <&gpx2 6 GPIO_ACTIVE_HIGH>;
 	};
 };
diff --git a/arch/arm/dts/exynos5250-snow.dts b/arch/arm/dts/exynos5250-snow.dts
index bac5015..649e4bd 100644
--- a/arch/arm/dts/exynos5250-snow.dts
+++ b/arch/arm/dts/exynos5250-snow.dts
@@ -44,7 +44,7 @@
 			reg = <0x1e>;
 			compatible = "google,cros-ec";
 			i2c-max-frequency = <100000>;
-			ec-interrupt = <&gpio 182 1>;
+			ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
 		};
 
 		power-regulator@48 {
@@ -68,7 +68,7 @@
 			reg = <0>;
 			compatible = "google,cros-ec";
 			spi-max-frequency = <5000000>;
-			ec-interrupt = <&gpio 182 1>;
+			ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
 			optimise-flash-write;
 			status = "disabled";
 		};
@@ -76,7 +76,7 @@
 
 	sound@3830000 {
 		samsung,codec-type = "max98095";
-		codec-enable-gpio = <&gpio 0xb7 0>;
+		codec-enable-gpio = <&gpx1 7 GPIO_ACTIVE_HIGH>;
 	};
 
 	sound@12d60000 {
@@ -131,11 +131,11 @@
 	};
 
 	ehci@12110000 {
-		samsung,vbus-gpio = <&gpio 0xb1 0>; /* X11 */
+		samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
 	};
 
 	xhci@12000000 {
-		samsung,vbus-gpio = <&gpio 0xbf 0>; /* X27 */
+		samsung,vbus-gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
 	};
 
 	tmu@10060000 {
diff --git a/arch/arm/dts/exynos5420-peach-pit.dts b/arch/arm/dts/exynos5420-peach-pit.dts
index d1d8735..b801de9 100644
--- a/arch/arm/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/dts/exynos5420-peach-pit.dts
@@ -17,7 +17,7 @@
 		"google,peach", "samsung,exynos5420", "samsung,exynos5";
 
 	config {
-		google,bad-wake-gpios = <&gpio 0x56 0>; /* gpx0-6 */
+		google,bad-wake-gpios = <&gpx0 6 GPIO_ACTIVE_HIGH>;
 		hwid = "PIT TEST A-A 7848";
 		lazy-init = <1>;
 	};
@@ -108,7 +108,7 @@
 			spi-half-duplex;
 			spi-max-timeout-ms = <1100>;
 			spi-frame-header = <0xec>;
-			ec-interrupt = <&gpio 93 1>; /* GPX1_5 */
+			ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>;
 
 			/*
 			 * This describes the flash memory within the EC. Note
@@ -124,11 +124,11 @@
 	};
 
 	xhci@12000000 {
-		samsung,vbus-gpio = <&gpio 0x40 0>; /* H00 */
+		samsung,vbus-gpio = <&gph0 0 GPIO_ACTIVE_HIGH>;
 	};
 
 	xhci@12400000 {
-		samsung,vbus-gpio = <&gpio 0x41 0>; /* H01 */
+		samsung,vbus-gpio = <&gph0 1 GPIO_ACTIVE_HIGH>;
 	};
 
 	fimd@14400000 {
diff --git a/arch/arm/dts/exynos5422-odroidxu3.dts b/arch/arm/dts/exynos5422-odroidxu3.dts
index 79a7acd..8f46637 100644
--- a/arch/arm/dts/exynos5422-odroidxu3.dts
+++ b/arch/arm/dts/exynos5422-odroidxu3.dts
@@ -32,7 +32,7 @@
 	};
 
 	ehci@12110000 {
-		samsung,vbus-gpio = <&gpio 0x66 0>; /* X26 */
+		samsung,vbus-gpio = <&gpx2 6 GPIO_ACTIVE_HIGH>;
 	};
 
 	serial@12C20000 {
diff --git a/arch/arm/dts/exynos5800-peach-pi.dts b/arch/arm/dts/exynos5800-peach-pi.dts
index e7c380f..e4bc100 100644
--- a/arch/arm/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/dts/exynos5800-peach-pi.dts
@@ -17,7 +17,7 @@
 		"google,peach", "samsung,exynos5800", "samsung,exynos5";
 
 	config {
-		google,bad-wake-gpios = <&gpio 0x56 0>; /* gpx0-6 */
+		google,bad-wake-gpios = <&gpx0 6 GPIO_ACTIVE_HIGH>;
 		hwid = "PIT TEST A-A 7848";
 		lazy-init = <1>;
 	};
@@ -32,7 +32,7 @@
 		mem-manuf = "samsung";
 		mem-type = "ddr3";
 		clock-frequency = <800000000>;
-		arm-frequency = <1700000000>;
+		arm-frequency = <900000000>;
 	};
 
 	tmu@10060000 {
@@ -102,7 +102,7 @@
 			spi-half-duplex;
 			spi-max-timeout-ms = <1100>;
 			spi-frame-header = <0xec>;
-			ec-interrupt = <&gpio 93 1>; /* GPX1_5 */
+			ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>;
 
 			/*
 			 * This describes the flash memory within the EC. Note
@@ -118,11 +118,11 @@
 	};
 
 	xhci@12000000 {
-		samsung,vbus-gpio = <&gpio 0x40 0>; /* H00 */
+		samsung,vbus-gpio = <&gph0 0 GPIO_ACTIVE_HIGH>;
 	};
 
 	xhci@12400000 {
-		samsung,vbus-gpio = <&gpio 0x41 0>; /* H01 */
+		samsung,vbus-gpio = <&gph0 1 GPIO_ACTIVE_HIGH>;
 	};
 
 	fimd@14400000 {