Merge remote-tracking branch 'tegra/for-next'

33 files changed, 1037 insertions, 609 deletions

diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 72c1f27af7f3..cfeb0f59c14b 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra114.dtsi"
+#include "tegra114.dtsi"
 
 / {
 	model = "NVIDIA Tegra114 Dalmore evaluation board";
@@ -748,7 +748,7 @@
 			compatible = "ti,tps65090";
 			reg = <0x48>;
 			interrupt-parent = <&gpio>;
-			interrupts = <72 0x04>; /* gpio PJ0 */
+			interrupts = <TEGRA_GPIO(J, 0) IRQ_TYPE_LEVEL_HIGH>;
 
 			vsys1-supply = <&vdd_ac_bat_reg>;
 			vsys2-supply = <&vdd_ac_bat_reg>;
@@ -763,6 +763,11 @@
 			vsys-l1-supply = <&vdd_ac_bat_reg>;
 			vsys-l2-supply = <&vdd_ac_bat_reg>;
 
+			charger {
+				compatible = "ti,tps65090-charger";
+				ti,enable-low-current-chrg;
+			};
+
 			regulators {
 				tps65090_dcdc1_reg: dcdc1 {
 					regulator-name = "vdd-sys-5v0";
@@ -823,12 +828,22 @@
 		};
 	};
 
+	spi@7000da00 {
+		status = "okay";
+		spi-max-frequency = <25000000>;
+		spi-flash@0 {
+			compatible = "winbond,w25q32dw";
+			reg = <0>;
+			spi-max-frequency = <20000000>;
+		};
+	};
+
 	pmc {
 		nvidia,invert-interrupt;
 	};
 
 	sdhci@78000400 {
-		cd-gpios = <&gpio 170 1>; /* gpio PV2 */
+		cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
 		bus-width = <4>;
 		status = "okay";
 	};
@@ -873,7 +888,7 @@
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
 			enable-active-high;
-			gpio = <&gpio 61 0>; /* GPIO PH5 */
+			gpio = <&gpio TEGRA_GPIO(H, 5) GPIO_ACTIVE_HIGH>;
 		};
 
 		lcd_bl_en_reg: regulator@2 {
@@ -883,7 +898,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 58 0>; /* GPIO PH2 */
+			gpio = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
 		};
 
 		usb1_vbus_reg: regulator@3 {
@@ -893,7 +908,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 108 0>; /* GPIO PN4 */
+			gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&tps65090_dcdc1_reg>;
 		};
@@ -905,7 +920,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 86 0>; /* GPIO PK6 */
+			gpio = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&tps65090_dcdc1_reg>;
 		};
@@ -917,7 +932,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 81 0>; /* GPIO PK1 */
+			gpio = <&gpio TEGRA_GPIO(K, 1) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&tps65090_dcdc1_reg>;
 		};
 	};
diff --git a/arch/arm/boot/dts/tegra114-pluto.dts b/arch/arm/boot/dts/tegra114-pluto.dts
index 6bbc8efae9c0..d5f8d3e0bde2 100644
--- a/arch/arm/boot/dts/tegra114-pluto.dts
+++ b/arch/arm/boot/dts/tegra114-pluto.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra114.dtsi"
+#include "tegra114.dtsi"
 
 / {
 	model = "NVIDIA Tegra114 Pluto evaluation board";
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 629415ffd8dc..abf6c40d28c6 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -1,4 +1,8 @@
-/include/ "skeleton.dtsi"
+#include <dt-bindings/clock/tegra114-car.h>
+#include <dt-bindings/gpio/tegra-gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "skeleton.dtsi"
 
 / {
 	compatible = "nvidia,tegra114";
@@ -19,19 +23,20 @@
 		      <0x50042000 0x1000>,
 		      <0x50044000 0x2000>,
 		      <0x50046000 0x2000>;
-		interrupts = <1 9 0xf04>;
+		interrupts = <GIC_PPI 9
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 	};
 
 	timer@60005000 {
 		compatible = "nvidia,tegra114-timer", "nvidia,tegra20-timer";
 		reg = <0x60005000 0x400>;
-		interrupts = <0 0 0x04
-			      0 1 0x04
-			      0 41 0x04
-			      0 42 0x04
-			      0 121 0x04
-			      0 122 0x04>;
-		clocks = <&tegra_car 5>;
+		interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_TIMER>;
 	};
 
 	tegra_car: clock {
@@ -43,39 +48,39 @@
 	apbdma: dma {
 		compatible = "nvidia,tegra114-apbdma";
 		reg = <0x6000a000 0x1400>;
-		interrupts = <0 104 0x04
-			      0 105 0x04
-			      0 106 0x04
-			      0 107 0x04
-			      0 108 0x04
-			      0 109 0x04
-			      0 110 0x04
-			      0 111 0x04
-			      0 112 0x04
-			      0 113 0x04
-			      0 114 0x04
-			      0 115 0x04
-			      0 116 0x04
-			      0 117 0x04
-			      0 118 0x04
-			      0 119 0x04
-			      0 128 0x04
-			      0 129 0x04
-			      0 130 0x04
-			      0 131 0x04
-			      0 132 0x04
-			      0 133 0x04
-			      0 134 0x04
-			      0 135 0x04
-			      0 136 0x04
-			      0 137 0x04
-			      0 138 0x04
-			      0 139 0x04
-			      0 140 0x04
-			      0 141 0x04
-			      0 142 0x04
-			      0 143 0x04>;
-		clocks = <&tegra_car 34>;
+		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_APBDMA>;
 	};
 
 	ahb: ahb {
@@ -86,14 +91,14 @@
 	gpio: gpio {
 		compatible = "nvidia,tegra114-gpio", "nvidia,tegra30-gpio";
 		reg = <0x6000d000 0x1000>;
-		interrupts = <0 32 0x04
-			      0 33 0x04
-			      0 34 0x04
-			      0 35 0x04
-			      0 55 0x04
-			      0 87 0x04
-			      0 89 0x04
-			      0 125 0x04>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
 		#gpio-cells = <2>;
 		gpio-controller;
 		#interrupt-cells = <2>;
@@ -118,57 +123,57 @@
 		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
 		reg = <0x70006000 0x40>;
 		reg-shift = <2>;
-		interrupts = <0 36 0x04>;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 8>;
 		status = "disabled";
-		clocks = <&tegra_car 6>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTA>;
 	};
 
 	uartb: serial@70006040 {
 		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
 		reg = <0x70006040 0x40>;
 		reg-shift = <2>;
-		interrupts = <0 37 0x04>;
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 9>;
 		status = "disabled";
-		clocks = <&tegra_car 192>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTB>;
 	};
 
 	uartc: serial@70006200 {
 		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
 		reg = <0x70006200 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 46 0x04>;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 10>;
 		status = "disabled";
-		clocks = <&tegra_car 55>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTC>;
 	};
 
 	uartd: serial@70006300 {
 		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
 		reg = <0x70006300 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 90 0x04>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 19>;
 		status = "disabled";
-		clocks = <&tegra_car 65>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTD>;
 	};
 
 	pwm: pwm {
 		compatible = "nvidia,tegra114-pwm", "nvidia,tegra20-pwm";
 		reg = <0x7000a000 0x100>;
 		#pwm-cells = <2>;
-		clocks = <&tegra_car 17>;
+		clocks = <&tegra_car TEGRA114_CLK_PWM>;
 		status = "disabled";
 	};
 
 	i2c@7000c000 {
 		compatible = "nvidia,tegra114-i2c";
 		reg = <0x7000c000 0x100>;
-		interrupts = <0 38 0x04>;
+		interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 12>;
+		clocks = <&tegra_car TEGRA114_CLK_I2C1>;
 		clock-names = "div-clk";
 		status = "disabled";
 	};
@@ -176,10 +181,10 @@
 	i2c@7000c400 {
 		compatible = "nvidia,tegra114-i2c";
 		reg = <0x7000c400 0x100>;
-		interrupts = <0 84 0x04>;
+		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 54>;
+		clocks = <&tegra_car TEGRA114_CLK_I2C2>;
 		clock-names = "div-clk";
 		status = "disabled";
 	};
@@ -187,10 +192,10 @@
 	i2c@7000c500 {
 		compatible = "nvidia,tegra114-i2c";
 		reg = <0x7000c500 0x100>;
-		interrupts = <0 92 0x04>;
+		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 67>;
+		clocks = <&tegra_car TEGRA114_CLK_I2C3>;
 		clock-names = "div-clk";
 		status = "disabled";
 	};
@@ -198,10 +203,10 @@
 	i2c@7000c700 {
 		compatible = "nvidia,tegra114-i2c";
 		reg = <0x7000c700 0x100>;
-		interrupts = <0 120 0x04>;
+		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 103>;
+		clocks = <&tegra_car TEGRA114_CLK_I2C4>;
 		clock-names = "div-clk";
 		status = "disabled";
 	};
@@ -209,10 +214,10 @@
 	i2c@7000d000 {
 		compatible = "nvidia,tegra114-i2c";
 		reg = <0x7000d000 0x100>;
-		interrupts = <0 53 0x04>;
+		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 47>;
+		clocks = <&tegra_car TEGRA114_CLK_I2C5>;
 		clock-names = "div-clk";
 		status = "disabled";
 	};
@@ -220,11 +225,11 @@
 	spi@7000d400 {
 		compatible = "nvidia,tegra114-spi";
 		reg = <0x7000d400 0x200>;
-		interrupts = <0 59 0x04>;
+		interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 15>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 41>;
+		clocks = <&tegra_car TEGRA114_CLK_SBC1>;
 		clock-names = "spi";
 		status = "disabled";
 	};
@@ -232,11 +237,11 @@
 	spi@7000d600 {
 		compatible = "nvidia,tegra114-spi";
 		reg = <0x7000d600 0x200>;
-		interrupts = <0 82 0x04>;
+		interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 16>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 44>;
+		clocks = <&tegra_car TEGRA114_CLK_SBC2>;
 		clock-names = "spi";
 		status = "disabled";
 	};
@@ -244,11 +249,11 @@
 	spi@7000d800 {
 		compatible = "nvidia,tegra114-spi";
 		reg = <0x7000d800 0x200>;
-		interrupts = <0 83 0x04>;
+		interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 17>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 46>;
+		clocks = <&tegra_car TEGRA114_CLK_SBC3>;
 		clock-names = "spi";
 		status = "disabled";
 	};
@@ -256,11 +261,11 @@
 	spi@7000da00 {
 		compatible = "nvidia,tegra114-spi";
 		reg = <0x7000da00 0x200>;
-		interrupts = <0 93 0x04>;
+		interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 18>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 68>;
+		clocks = <&tegra_car TEGRA114_CLK_SBC4>;
 		clock-names = "spi";
 		status = "disabled";
 	};
@@ -268,11 +273,11 @@
 	spi@7000dc00 {
 		compatible = "nvidia,tegra114-spi";
 		reg = <0x7000dc00 0x200>;
-		interrupts = <0 94 0x04>;
+		interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 27>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 104>;
+		clocks = <&tegra_car TEGRA114_CLK_SBC5>;
 		clock-names = "spi";
 		status = "disabled";
 	};
@@ -280,11 +285,11 @@
 	spi@7000de00 {
 		compatible = "nvidia,tegra114-spi";
 		reg = <0x7000de00 0x200>;
-		interrupts = <0 79 0x04>;
+		interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 28>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 105>;
+		clocks = <&tegra_car TEGRA114_CLK_SBC6>;
 		clock-names = "spi";
 		status = "disabled";
 	};
@@ -292,22 +297,22 @@
 	rtc {
 		compatible = "nvidia,tegra114-rtc", "nvidia,tegra20-rtc";
 		reg = <0x7000e000 0x100>;
-		interrupts = <0 2 0x04>;
-		clocks = <&tegra_car 4>;
+		interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_RTC>;
 	};
 
 	kbc {
 		compatible = "nvidia,tegra114-kbc";
 		reg = <0x7000e200 0x100>;
-		interrupts = <0 85 0x04>;
-		clocks = <&tegra_car 36>;
+		interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_KBC>;
 		status = "disabled";
 	};
 
 	pmc {
 		compatible = "nvidia,tegra114-pmc";
 		reg = <0x7000e400 0x400>;
-		clocks = <&tegra_car 261>, <&clk32k_in>;
+		clocks = <&tegra_car TEGRA114_CLK_PCLK>, <&clk32k_in>;
 		clock-names = "pclk", "clk32k_in";
 	};
 
@@ -322,35 +327,106 @@
 		nvidia,ahb = <&ahb>;
 	};
 
+	ahub {
+		compatible = "nvidia,tegra114-ahub";
+		reg = <0x70080000 0x200>,
+		      <0x70080200 0x100>,
+		      <0x70081000 0x200>;
+		interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+		nvidia,dma-request-selector = <&apbdma 1>, <&apbdma 2>,
+			<&apbdma 3>, <&apbdma 4>, <&apbdma 6>, <&apbdma 7>,
+			<&apbdma 12>, <&apbdma 13>, <&apbdma 14>,
+			<&apbdma 29>;
+		clocks = <&tegra_car TEGRA114_CLK_D_AUDIO>,
+			 <&tegra_car TEGRA114_CLK_APBIF>,
+			 <&tegra_car TEGRA114_CLK_I2S0>,
+			 <&tegra_car TEGRA114_CLK_I2S1>,
+			 <&tegra_car TEGRA114_CLK_I2S2>,
+			 <&tegra_car TEGRA114_CLK_I2S3>,
+			 <&tegra_car TEGRA114_CLK_I2S4>,
+			 <&tegra_car TEGRA114_CLK_DAM0>,
+			 <&tegra_car TEGRA114_CLK_DAM1>,
+			 <&tegra_car TEGRA114_CLK_DAM2>,
+			 <&tegra_car TEGRA114_CLK_SPDIF_IN>,
+			 <&tegra_car TEGRA114_CLK_AMX>,
+			 <&tegra_car TEGRA114_CLK_ADX>;
+		clock-names = "d_audio", "apbif", "i2s0", "i2s1", "i2s2",
+			      "i2s3", "i2s4", "dam0", "dam1", "dam2",
+			      "spdif_in", "amx", "adx";
+		ranges;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		tegra_i2s0: i2s@70080300 {
+			compatible = "nvidia,tegra114-i2s", "nvidia,tegra30-i2s";
+			reg = <0x70080300 0x100>;
+			nvidia,ahub-cif-ids = <4 4>;
+			clocks = <&tegra_car TEGRA114_CLK_I2S0>;
+			status = "disabled";
+		};
+
+		tegra_i2s1: i2s@70080400 {
+			compatible = "nvidia,tegra114-i2s", "nvidia,tegra30-i2s";
+			reg = <0x70080400 0x100>;
+			nvidia,ahub-cif-ids = <5 5>;
+			clocks = <&tegra_car TEGRA114_CLK_I2S1>;
+			status = "disabled";
+		};
+
+		tegra_i2s2: i2s@70080500 {
+			compatible = "nvidia,tegra114-i2s", "nvidia,tegra30-i2s";
+			reg = <0x70080500 0x100>;
+			nvidia,ahub-cif-ids = <6 6>;
+			clocks = <&tegra_car TEGRA114_CLK_I2S2>;
+			status = "disabled";
+		};
+
+		tegra_i2s3: i2s@70080600 {
+			compatible = "nvidia,tegra114-i2s", "nvidia,tegra30-i2s";
+			reg = <0x70080600 0x100>;
+			nvidia,ahub-cif-ids = <7 7>;
+			clocks = <&tegra_car TEGRA114_CLK_I2S3>;
+			status = "disabled";
+		};
+
+		tegra_i2s4: i2s@70080700 {
+			compatible = "nvidia,tegra114-i2s", "nvidia,tegra30-i2s";
+			reg = <0x70080700 0x100>;
+			nvidia,ahub-cif-ids = <8 8>;
+			clocks = <&tegra_car TEGRA114_CLK_I2S4>;
+			status = "disabled";
+		};
+	};
+
 	sdhci@78000000 {
 		compatible = "nvidia,tegra114-sdhci", "nvidia,tegra30-sdhci";
 		reg = <0x78000000 0x200>;
-		interrupts = <0 14 0x04>;
-		clocks = <&tegra_car 14>;
+		interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_SDMMC1>;
 		status = "disable";
 	};
 
 	sdhci@78000200 {
 		compatible = "nvidia,tegra114-sdhci", "nvidia,tegra30-sdhci";
 		reg = <0x78000200 0x200>;
-		interrupts = <0 15 0x04>;
-		clocks = <&tegra_car 9>;
+		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_SDMMC2>;
 		status = "disable";
 	};
 
 	sdhci@78000400 {
 		compatible = "nvidia,tegra114-sdhci", "nvidia,tegra30-sdhci";
 		reg = <0x78000400 0x200>;
-		interrupts = <0 19 0x04>;
-		clocks = <&tegra_car 69>;
+		interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_SDMMC3>;
 		status = "disable";
 	};
 
 	sdhci@78000600 {
 		compatible = "nvidia,tegra114-sdhci", "nvidia,tegra30-sdhci";
 		reg = <0x78000600 0x200>;
-		interrupts = <0 31 0x04>;
-		clocks = <&tegra_car 15>;
+		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_SDMMC4>;
 		status = "disable";
 	};
 
@@ -385,9 +461,14 @@
 
 	timer {
 		compatible = "arm,armv7-timer";
-		interrupts = <1 13 0xf08>,
-			     <1 14 0xf08>,
-			     <1 11 0xf08>,
-			     <1 10 0xf08>;
+		interrupts =
+			<GIC_PPI 13
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 14
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 11
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 10
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
index a573b94b7c93..2fcb3f2ca160 100644
--- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
@@ -1,4 +1,4 @@
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "Toradex Colibri T20 512MB";
@@ -14,7 +14,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&i2c_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -217,7 +218,7 @@
 		pmic: tps6586x@34 {
 			compatible = "ti,tps6586x";
 			reg = <0x34>;
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 
 			ti,system-power-controller;
 
@@ -443,17 +444,25 @@
 
 	ac97: ac97 {
 		status = "okay";
-		nvidia,codec-reset-gpio = <&gpio 168 0>; /* gpio PV0 */
-		nvidia,codec-sync-gpio = <&gpio 120 0>; /* gpio PP0 */
+		nvidia,codec-reset-gpio = <&gpio TEGRA_GPIO(V, 0)
+			GPIO_ACTIVE_HIGH>;
+		nvidia,codec-sync-gpio = <&gpio TEGRA_GPIO(P, 0)
+			GPIO_ACTIVE_HIGH>;
 	};
 
 	usb@c5004000 {
 		status = "okay";
-		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
+	};
+
+	usb-phy@c5004000 {
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
 	};
 
 	sdhci@c8000600 {
-		cd-gpios = <&gpio 23 1>; /* gpio PC7 */
+		cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>;
 	};
 
 	clocks {
@@ -483,7 +492,9 @@
 
 		nvidia,ac97-controller = <&ac97>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 
@@ -510,7 +521,7 @@
 			enable-active-high;
 			regulator-boot-on;
 			regulator-always-on;
-			gpio = <&gpio 217 0>;
+			gpio = <&gpio TEGRA_GPIO(BB, 1) GPIO_ACTIVE_HIGH>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts
index e7d5de4e00b9..d9f89cd879a7 100644
--- a/arch/arm/boot/dts/tegra20-harmony.dts
+++ b/arch/arm/boot/dts/tegra20-harmony.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "NVIDIA Tegra20 Harmony evaluation board";
@@ -18,7 +18,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -262,7 +263,7 @@
 			compatible = "wlf,wm8903";
 			reg = <0x1a>;
 			interrupt-parent = <&gpio>;
-			interrupts = <187 0x04>;
+			interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;
 
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -290,7 +291,7 @@
 		pmic: tps6586x@34 {
 			compatible = "ti,tps6586x";
 			reg = <0x34>;
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 
 			ti,system-power-controller;
 
@@ -428,32 +429,43 @@
 		status = "okay";
 	};
 
+	usb-phy@c5000000 {
+		status = "okay";
+	};
+
 	usb@c5004000 {
 		status = "okay";
-		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
+	};
+
+	usb-phy@c5004000 {
+		status = "okay";
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
 	};
 
 	usb@c5008000 {
 		status = "okay";
 	};
 
-	usb-phy@c5004400 {
-		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+	usb-phy@c5008000 {
+		status = "okay";
 	};
 
 	sdhci@c8000200 {
 		status = "okay";
-		cd-gpios = <&gpio 69 1>; /* gpio PI5 */
-		wp-gpios = <&gpio 57 0>; /* gpio PH1 */
-		power-gpios = <&gpio 155 0>; /* gpio PT3 */
+		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+		power-gpios = <&gpio TEGRA_GPIO(T, 3) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 	};
 
 	sdhci@c8000600 {
 		status = "okay";
-		cd-gpios = <&gpio 58 1>; /* gpio PH2 */
-		wp-gpios = <&gpio 59 0>; /* gpio PH3 */
-		power-gpios = <&gpio 70 0>; /* gpio PI6 */
+		cd-gpios = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(H, 3) GPIO_ACTIVE_HIGH>;
+		power-gpios = <&gpio TEGRA_GPIO(I, 6) GPIO_ACTIVE_HIGH>;
 		bus-width = <8>;
 	};
 
@@ -475,7 +487,7 @@
 
 		power {
 			label = "Power";
-			gpios = <&gpio 170 1>; /* gpio PV2, active low */
+			gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
 			linux,code = <116>; /* KEY_POWER */
 			gpio-key,wakeup;
 		};
@@ -618,7 +630,7 @@
 			regulator-name = "vdd_1v5";
 			regulator-min-microvolt = <1500000>;
 			regulator-max-microvolt = <1500000>;
-			gpio = <&pmic 0 0>;
+			gpio = <&pmic 0 GPIO_ACTIVE_HIGH>;
 		};
 
 		regulator@2 {
@@ -627,7 +639,7 @@
 			regulator-name = "vdd_1v2";
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
-			gpio = <&pmic 1 0>;
+			gpio = <&pmic 1 GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
 
@@ -637,7 +649,7 @@
 			regulator-name = "vdd_1v05";
 			regulator-min-microvolt = <1050000>;
 			regulator-max-microvolt = <1050000>;
-			gpio = <&pmic 2 0>;
+			gpio = <&pmic 2 GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 			/* Hack until board-harmony-pcie.c is removed */
 			status = "disabled";
@@ -649,7 +661,7 @@
 			regulator-name = "vdd_pnl";
 			regulator-min-microvolt = <2800000>;
 			regulator-max-microvolt = <2800000>;
-			gpio = <&gpio 22 0>; /* gpio PC6 */
+			gpio = <&gpio TEGRA_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
 
@@ -659,7 +671,7 @@
 			regulator-name = "vdd_bl";
 			regulator-min-microvolt = <2800000>;
 			regulator-max-microvolt = <2800000>;
-			gpio = <&gpio 176 0>; /* gpio PW0 */
+			gpio = <&gpio TEGRA_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
 	};
@@ -682,12 +694,17 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&wm8903>;
 
-		nvidia,spkr-en-gpios = <&wm8903 2 0>;
-		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
-		nvidia,int-mic-en-gpios = <&gpio 184 0>; /*gpio PX0 */
-		nvidia,ext-mic-en-gpios = <&gpio 185 0>; /* gpio PX1 */
-
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2)
+			GPIO_ACTIVE_HIGH>;
+		nvidia,int-mic-en-gpios = <&gpio TEGRA_GPIO(X, 0)
+			GPIO_ACTIVE_HIGH>;
+		nvidia,ext-mic-en-gpios = <&gpio TEGRA_GPIO(X, 1)
+			GPIO_ACTIVE_HIGH>;
+
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts b/arch/arm/boot/dts/tegra20-iris-512.dts
index 52f1103907d7..f2222bd74eab 100644
--- a/arch/arm/boot/dts/tegra20-iris-512.dts
+++ b/arch/arm/boot/dts/tegra20-iris-512.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20-colibri-512.dtsi"
+#include "tegra20-colibri-512.dtsi"
 
 / {
 	model = "Toradex Colibri T20 512MB on Iris";
@@ -38,13 +38,20 @@
 
 	usb@c5000000 {
 		status = "okay";
-		dr_mode = "otg";
+	};
+
+	usb-phy@c5000000 {
+		status = "okay";
 	};
 
 	usb@c5008000 {
 		status = "okay";
 	};
 
+	usb-phy@c5008000 {
+		status = "okay";
+	};
+
 	serial@70006000 {
 		status = "okay";
 	};
@@ -73,7 +80,7 @@
 			regulator-max-microvolt = <5000000>;
 			regulator-boot-on;
 			regulator-always-on;
-			gpio = <&gpio 178 0>;
+			gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_HIGH>;
 		};
 
 		vcc_sd_reg: regulator@1 {
diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts
index ace23437da89..7580578903cf 100644
--- a/arch/arm/boot/dts/tegra20-medcom-wide.dts
+++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20-tamonten.dtsi"
+#include "tegra20-tamonten.dtsi"
 
 / {
 	model = "Avionic Design Medcom-Wide board";
@@ -15,7 +15,7 @@
 			compatible = "wlf,wm8903";
 			reg = <0x1a>;
 			interrupt-parent = <&gpio>;
-			interrupts = <187 0x04>;
+			interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;
 
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -56,10 +56,12 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&wm8903>;
 
-		nvidia,spkr-en-gpios = <&wm8903 2 0>;
-		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
+		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_HIGH>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index e3e0c9977df4..cfd12763b1b2 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "Toshiba AC100 / Dynabook AZ";
@@ -18,7 +18,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -270,13 +271,14 @@
 	nvec {
 		compatible = "nvidia,nvec";
 		reg = <0x7000c500 0x100>;
-		interrupts = <0 92 0x04>;
+		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		clock-frequency = <80000>;
-		request-gpios = <&gpio 170 0>; /* gpio PV2 */
+		request-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;
 		slave-addr = <138>;
-		clocks = <&tegra_car 67>, <&tegra_car 124>;
+		clocks = <&tegra_car TEGRA20_CLK_I2C3>,
+		       	 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 	};
 
@@ -287,7 +289,7 @@
 		pmic: tps6586x@34 {
 			compatible = "ti,tps6586x";
 			reg = <0x34>;
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 
 			#gpio-cells = <2>;
 			gpio-controller;
@@ -427,24 +429,35 @@
 		status = "okay";
 	};
 
+	usb-phy@c5000000 {
+		status = "okay";
+	};
+
 	usb@c5004000 {
 		status = "okay";
-		nvidia,phy-reset-gpio = <&gpio 168 0>; /* gpio PV0 */
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 0)
+			GPIO_ACTIVE_LOW>;
+	};
+
+	usb-phy@c5004000 {
+		status = "okay";
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 0)
+			GPIO_ACTIVE_LOW>;
 	};
 
 	usb@c5008000 {
 		status = "okay";
 	};
 
-	usb-phy@c5004400 {
-		nvidia,phy-reset-gpio = <&gpio 168 0>; /* gpio PV0 */
+	usb-phy@c5008000 {
+		status = "okay";
 	};
 
 	sdhci@c8000000 {
 		status = "okay";
-		cd-gpios = <&gpio 173 1>; /* gpio PV5 */
-		wp-gpios = <&gpio 57 0>;  /* gpio PH1 */
-		power-gpios = <&gpio 169 0>; /* gpio PV1 */
+		cd-gpios = <&gpio TEGRA_GPIO(V, 5) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+		power-gpios = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 	};
 
@@ -472,7 +485,7 @@
 
 		power {
 			label = "Power";
-			gpios = <&gpio 79 1>; /* gpio PJ7, active low */
+			gpios = <&gpio TEGRA_GPIO(J, 7) GPIO_ACTIVE_LOW>;
 			linux,code = <116>; /* KEY_POWER */
 			gpio-key,wakeup;
 		};
@@ -483,7 +496,7 @@
 
 		wifi {
 			label = "wifi-led";
-			gpios = <&gpio 24 0>; /* gpio PD0 */
+			gpios = <&gpio TEGRA_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "rfkill0";
 		};
 	};
@@ -520,9 +533,12 @@
 
 		nvidia,audio-codec = <&alc5632>;
 		nvidia,i2s-controller = <&tegra_i2s1>;
-		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2)
+			GPIO_ACTIVE_HIGH>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+		       	 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-plutux.dts b/arch/arm/boot/dts/tegra20-plutux.dts
index 1a17cc30bb9d..d7a358a6a647 100644
--- a/arch/arm/boot/dts/tegra20-plutux.dts
+++ b/arch/arm/boot/dts/tegra20-plutux.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20-tamonten.dtsi"
+#include "tegra20-tamonten.dtsi"
 
 / {
 	model = "Avionic Design Plutux board";
@@ -17,7 +17,7 @@
 			compatible = "wlf,wm8903";
 			reg = <0x1a>;
 			interrupt-parent = <&gpio>;
-			interrupts = <187 0x04>;
+			interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;
 
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -50,10 +50,12 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&wm8903>;
 
-		nvidia,spkr-en-gpios = <&wm8903 2 0>;
-		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
+		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_HIGH>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts
index cee4c34010fe..ab177b406b78 100644
--- a/arch/arm/boot/dts/tegra20-seaboard.dts
+++ b/arch/arm/boot/dts/tegra20-seaboard.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "NVIDIA Seaboard";
@@ -18,7 +18,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -313,7 +314,7 @@
 			compatible = "wlf,wm8903";
 			reg = <0x1a>;
 			interrupt-parent = <&gpio>;
-			interrupts = <187 0x04>;
+			interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;
 
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -328,14 +329,14 @@
 			compatible = "isil,isl29018";
 			reg = <0x44>;
 			interrupt-parent = <&gpio>;
-			interrupts = <202 0x04>; /* GPIO PZ2 */
+			interrupts = <TEGRA_GPIO(Z, 2) IRQ_TYPE_LEVEL_HIGH>;
 		};
 
 		gyrometer@68 {
 			compatible = "invn,mpu3050";
 			reg = <0x68>;
 			interrupt-parent = <&gpio>;
-			interrupts = <204 0x04>; /* gpio PZ4 */
+			interrupts = <TEGRA_GPIO(Z, 4) IRQ_TYPE_LEVEL_HIGH>;
 		};
 	};
 
@@ -388,7 +389,7 @@
 		pmic: tps6586x@34 {
 			compatible = "ti,tps6586x";
 			reg = <0x34>;
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 
 			ti,system-power-controller;
 
@@ -511,7 +512,7 @@
 			compatible = "ak,ak8975";
 			reg = <0xc>;
 			interrupt-parent = <&gpio>;
-			interrupts = <109 0x04>; /* gpio PN5 */
+			interrupts = <TEGRA_GPIO(N, 5) IRQ_TYPE_LEVEL_HIGH>;
 		};
 	};
 
@@ -565,35 +566,48 @@
 
 	usb@c5000000 {
 		status = "okay";
-		nvidia,vbus-gpio = <&gpio 24 0>; /* PD0 */
+		nvidia,vbus-gpio = <&gpio TEGRA_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
+		dr_mode = "otg";
+	};
+
+	usb-phy@c5000000 {
+		status = "okay";
+		vbus-supply = <&vbus_reg>;
 		dr_mode = "otg";
 	};
 
 	usb@c5004000 {
 		status = "okay";
-		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
+	};
+
+	usb-phy@c5004000 {
+		status = "okay";
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
 	};
 
 	usb@c5008000 {
 		status = "okay";
 	};
 
-	usb-phy@c5004400 {
-		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+	usb-phy@c5008000 {
+		status = "okay";
 	};
 
 	sdhci@c8000000 {
 		status = "okay";
-		power-gpios = <&gpio 86 0>; /* gpio PK6 */
+		power-gpios = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 		keep-power-in-suspend;
 	};
 
 	sdhci@c8000400 {
 		status = "okay";
-		cd-gpios = <&gpio 69 1>; /* gpio PI5 */
-		wp-gpios = <&gpio 57 0>; /* gpio PH1 */
-		power-gpios = <&gpio 70 0>; /* gpio PI6 */
+		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+		power-gpios = <&gpio TEGRA_GPIO(I, 6) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 	};
 
@@ -621,14 +635,14 @@
 
 		power {
 			label = "Power";
-			gpios = <&gpio 170 1>; /* gpio PV2, active low */
+			gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
 			linux,code = <116>; /* KEY_POWER */
 			gpio-key,wakeup;
 		};
 
 		lid {
 			label = "Lid";
-			gpios = <&gpio 23 0>; /* gpio PC7 */
+			gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_HIGH>;
 			linux,input-type = <5>; /* EV_SW */
 			linux,code = <0>; /* SW_LID */
 			debounce-interval = <1>;
@@ -795,7 +809,7 @@
 			regulator-name = "vdd_1v5";
 			regulator-min-microvolt = <1500000>;
 			regulator-max-microvolt = <1500000>;
-			gpio = <&pmic 0 0>;
+			gpio = <&pmic 0 GPIO_ACTIVE_HIGH>;
 		};
 
 		regulator@2 {
@@ -804,9 +818,18 @@
 			regulator-name = "vdd_1v2";
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
-			gpio = <&pmic 1 0>;
+			gpio = <&pmic 1 GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
+
+		vbus_reg: regulator@3 {
+			compatible = "regulator-fixed";
+			reg = <3>;
+			regulator-name = "vdd_vbus_wup1";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio 24 0>; /* PD0 */
+		};
 	};
 
 	sound {
@@ -827,10 +850,12 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&wm8903>;
 
-		nvidia,spkr-en-gpios = <&wm8903 2 0>;
-		nvidia,hp-det-gpios = <&gpio 185 0>; /* gpio PX1 */
+		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(X, 1) GPIO_ACTIVE_HIGH>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 50b3ec16b93a..c54faae7cfb3 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -1,4 +1,4 @@
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "Avionic Design Tamonten SOM";
@@ -14,7 +14,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -321,7 +322,7 @@
 		pmic: tps6586x@34 {
 			compatible = "ti,tps6586x";
 			reg = <0x34>;
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 
 			ti,system-power-controller;
 
@@ -470,9 +471,13 @@
 		status = "okay";
 	};
 
+	usb-phy@c5008000 {
+		status = "okay";
+	};
+
 	sdhci@c8000600 {
-		cd-gpios = <&gpio 58 1>; /* gpio PH2 */
-		wp-gpios = <&gpio 59 0>; /* gpio PH3 */
+		cd-gpios = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(H, 3) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 		status = "okay";
 	};
diff --git a/arch/arm/boot/dts/tegra20-tec.dts b/arch/arm/boot/dts/tegra20-tec.dts
index 742f0b38d21d..c572c43751b1 100644
--- a/arch/arm/boot/dts/tegra20-tec.dts
+++ b/arch/arm/boot/dts/tegra20-tec.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20-tamonten.dtsi"
+#include "tegra20-tamonten.dtsi"
 
 / {
 	model = "Avionic Design Tamonten Evaluation Carrier";
@@ -17,7 +17,7 @@
 			compatible = "wlf,wm8903";
 			reg = <0x1a>;
 			interrupt-parent = <&gpio>;
-			interrupts = <187 0x04>;
+			interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;
 
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -50,10 +50,13 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&wm8903>;
 
-		nvidia,spkr-en-gpios = <&wm8903 2 0>;
-		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
+		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2)
+			GPIO_ACTIVE_HIGH>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index 9cc78a15d739..170159910455 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "Compulab TrimSlice board";
@@ -18,7 +18,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -311,20 +312,32 @@
 
 	usb@c5000000 {
 		status = "okay";
-		nvidia,vbus-gpio = <&gpio 170 0>; /* gpio PV2 */
+		nvidia,vbus-gpio = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;
+	};
+
+	usb-phy@c5000000 {
+		status = "okay";
+		vbus-supply = <&vbus_reg>;
 	};
 
 	usb@c5004000 {
 		status = "okay";
-		nvidia,phy-reset-gpio = <&gpio 168 0>; /* gpio PV0 */
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 0)
+			GPIO_ACTIVE_LOW>;
+	};
+
+	usb-phy@c5004000 {
+		status = "okay";
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 0)
+			GPIO_ACTIVE_LOW>;
 	};
 
 	usb@c5008000 {
 		status = "okay";
 	};
 
-	usb-phy@c5004400 {
-		nvidia,phy-reset-gpio = <&gpio 168 0>; /* gpio PV0 */
+	usb-phy@c5008000 {
+		status = "okay";
 	};
 
 	sdhci@c8000000 {
@@ -334,8 +347,8 @@
 
 	sdhci@c8000600 {
 		status = "okay";
-		cd-gpios = <&gpio 121 1>; /* gpio PP1 */
-		wp-gpios = <&gpio 122 0>; /* gpio PP2 */
+		cd-gpios = <&gpio TEGRA_GPIO(P, 1) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(P, 2) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 	};
 
@@ -357,7 +370,7 @@
 
 		power {
 			label = "Power";
-			gpios = <&gpio 190 1>; /* gpio PX6, active low */
+			gpios = <&gpio TEGRA_GPIO(X, 6) GPIO_ACTIVE_LOW>;
 			linux,code = <116>; /* KEY_POWER */
 			gpio-key,wakeup;
 		};
@@ -365,7 +378,7 @@
 
 	poweroff {
 		compatible = "gpio-poweroff";
-		gpios = <&gpio 191 1>; /* gpio PX7, active low */
+		gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>;
 	};
 
 	regulators {
@@ -390,6 +403,15 @@
 			regulator-max-microvolt = <1800000>;
 			regulator-always-on;
 		};
+
+		vbus_reg: regulator@2 {
+			compatible = "regulator-fixed";
+			reg = <2>;
+			regulator-name = "usb1_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio 170 0>; /* PV2 */
+		};
 	};
 
 	sound {
@@ -397,7 +419,9 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&codec>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index dd38f1f03834..7f8c28d1121f 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "NVIDIA Tegra20 Ventana evaluation board";
@@ -18,7 +18,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -310,7 +311,7 @@
 			compatible = "wlf,wm8903";
 			reg = <0x1a>;
 			interrupt-parent = <&gpio>;
-			interrupts = <187 0x04>;
+			interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;
 
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -325,7 +326,7 @@
 			compatible = "isil,isl29018";
 			reg = <0x44>;
 			interrupt-parent = <&gpio>;
-			interrupts = <202 0x04>; /*gpio PZ2 */
+			interrupts = <TEGRA_GPIO(Z, 2) IRQ_TYPE_LEVEL_HIGH>;
 		};
 	};
 
@@ -371,7 +372,7 @@
 		pmic: tps6586x@34 {
 			compatible = "ti,tps6586x";
 			reg = <0x34>;
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 
 			ti,system-power-controller;
 
@@ -505,31 +506,42 @@
 		status = "okay";
 	};
 
+	usb-phy@c5000000 {
+		status = "okay";
+	};
+
 	usb@c5004000 {
 		status = "okay";
-		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
+	};
+
+	usb-phy@c5004000 {
+		status = "okay";
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
 	};
 
 	usb@c5008000 {
 		status = "okay";
 	};
 
-	usb-phy@c5004400 {
-		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+	usb-phy@c5008000 {
+		status = "okay";
 	};
 
 	sdhci@c8000000 {
 		status = "okay";
-		power-gpios = <&gpio 86 0>; /* gpio PK6 */
+		power-gpios = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 		keep-power-in-suspend;
 	};
 
 	sdhci@c8000400 {
 		status = "okay";
-		cd-gpios = <&gpio 69 1>; /* gpio PI5 */
-		wp-gpios = <&gpio 57 0>; /* gpio PH1 */
-		power-gpios = <&gpio 70 0>; /* gpio PI6 */
+		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+		power-gpios = <&gpio TEGRA_GPIO(I, 6) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 	};
 
@@ -557,7 +569,7 @@
 
 		power {
 			label = "Power";
-			gpios = <&gpio 170 1>; /* gpio PV2, active low */
+			gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
 			linux,code = <116>; /* KEY_POWER */
 			gpio-key,wakeup;
 		};
@@ -583,7 +595,7 @@
 			regulator-name = "vdd_1v5";
 			regulator-min-microvolt = <1500000>;
 			regulator-max-microvolt = <1500000>;
-			gpio = <&pmic 0 0>;
+			gpio = <&pmic 0 GPIO_ACTIVE_HIGH>;
 		};
 
 		regulator@2 {
@@ -592,7 +604,7 @@
 			regulator-name = "vdd_1v2";
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
-			gpio = <&pmic 1 0>;
+			gpio = <&pmic 1 GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
 
@@ -602,7 +614,7 @@
 			regulator-name = "vdd_pnl";
 			regulator-min-microvolt = <2800000>;
 			regulator-max-microvolt = <2800000>;
-			gpio = <&gpio 22 0>; /* gpio PC6 */
+			gpio = <&gpio TEGRA_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
 
@@ -612,7 +624,7 @@
 			regulator-name = "vdd_bl";
 			regulator-min-microvolt = <2800000>;
 			regulator-max-microvolt = <2800000>;
-			gpio = <&gpio 176 0>; /* gpio PW0 */
+			gpio = <&gpio TEGRA_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
 	};
@@ -635,12 +647,16 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&wm8903>;
 
-		nvidia,spkr-en-gpios = <&wm8903 2 0>;
-		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
-		nvidia,int-mic-en-gpios = <&gpio 184 0>; /* gpio PX0 */
-		nvidia,ext-mic-en-gpios = <&gpio 185 0>; /* gpio PX1 */
+		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_HIGH>;
+		nvidia,int-mic-en-gpios = <&gpio TEGRA_GPIO(X, 0)
+			GPIO_ACTIVE_HIGH>;
+		nvidia,ext-mic-en-gpios = <&gpio TEGRA_GPIO(X, 1)
+			GPIO_ACTIVE_HIGH>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts
index d2567f83aaff..ea078ab8edeb 100644
--- a/arch/arm/boot/dts/tegra20-whistler.dts
+++ b/arch/arm/boot/dts/tegra20-whistler.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra20.dtsi"
+#include "tegra20.dtsi"
 
 / {
 	model = "NVIDIA Tegra20 Whistler evaluation board";
@@ -18,7 +18,8 @@
 			pll-supply = <&hdmi_pll_reg>;
 
 			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
+				GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -281,7 +282,7 @@
 		max8907@3c {
 			compatible = "maxim,max8907";
 			reg = <0x3c>;
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 
 			maxim,system-power-controller;
 
@@ -508,18 +509,28 @@
 
 	usb@c5000000 {
 		status = "okay";
-		nvidia,vbus-gpio = <&tca6416 0 0>; /* GPIO_PMU0 */
+		nvidia,vbus-gpio = <&tca6416 0 GPIO_ACTIVE_HIGH>;
+	};
+
+	usb-phy@c5000000 {
+		status = "okay";
+		vbus-supply = <&vbus1_reg>;
 	};
 
 	usb@c5008000 {
 		status = "okay";
-		nvidia,vbus-gpio = <&tca6416 1 0>; /* GPIO_PMU1 */
+		nvidia,vbus-gpio = <&tca6416 1 GPIO_ACTIVE_HIGH>;
+	};
+
+	usb-phy@c5008000 {
+		status = "okay";
+		vbus-supply = <&vbus3_reg>;
 	};
 
 	sdhci@c8000400 {
 		status = "okay";
-		cd-gpios = <&gpio 69 1>; /* gpio PI5 */
-		wp-gpios = <&gpio 173 0>; /* gpio PV5 */
+		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(V, 5) GPIO_ACTIVE_HIGH>;
 		bus-width = <8>;
 	};
 
@@ -568,6 +579,24 @@
 			regulator-max-microvolt = <5000000>;
 			regulator-always-on;
 		};
+
+		vbus1_reg: regulator@2 {
+			compatible = "regulator-fixed";
+			reg = <2>;
+			regulator-name = "vbus1";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&tca6416 0 0>; /* GPIO_PMU0 */
+		};
+
+		vbus3_reg: regulator@3 {
+			compatible = "regulator-fixed";
+			reg = <3>;
+			regulator-name = "vbus3";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&tca6416 1 0>; /* GPIO_PMU1 */
+		};
 	};
 
 	sound {
@@ -584,7 +613,9 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&codec>;
 
-		clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 94>;
+		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 56a91106041b..9653fd8288d2 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -1,4 +1,8 @@
-/include/ "skeleton.dtsi"
+#include <dt-bindings/clock/tegra20-car.h>
+#include <dt-bindings/gpio/tegra-gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "skeleton.dtsi"
 
 / {
 	compatible = "nvidia,tegra20";
@@ -15,9 +19,9 @@
 	host1x {
 		compatible = "nvidia,tegra20-host1x", "simple-bus";
 		reg = <0x50000000 0x00024000>;
-		interrupts = <0 65 0x04   /* mpcore syncpt */
-			      0 67 0x04>; /* mpcore general */
-		clocks = <&tegra_car 28>;
+		interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>, /* syncpt */
+			     <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>; /* general */
+		clocks = <&tegra_car TEGRA20_CLK_HOST1X>;
 
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -27,49 +31,50 @@
 		mpe {
 			compatible = "nvidia,tegra20-mpe";
 			reg = <0x54040000 0x00040000>;
-			interrupts = <0 68 0x04>;
-			clocks = <&tegra_car 60>;
+			interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_MPE>;
 		};
 
 		vi {
 			compatible = "nvidia,tegra20-vi";
 			reg = <0x54080000 0x00040000>;
-			interrupts = <0 69 0x04>;
-			clocks = <&tegra_car 100>;
+			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_VI>;
 		};
 
 		epp {
 			compatible = "nvidia,tegra20-epp";
 			reg = <0x540c0000 0x00040000>;
-			interrupts = <0 70 0x04>;
-			clocks = <&tegra_car 19>;
+			interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_EPP>;
 		};
 
 		isp {
 			compatible = "nvidia,tegra20-isp";
 			reg = <0x54100000 0x00040000>;
-			interrupts = <0 71 0x04>;
-			clocks = <&tegra_car 23>;
+			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_ISP>;
 		};
 
 		gr2d {
 			compatible = "nvidia,tegra20-gr2d";
 			reg = <0x54140000 0x00040000>;
-			interrupts = <0 72 0x04>;
-			clocks = <&tegra_car 21>;
+			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_GR2D>;
 		};
 
 		gr3d {
 			compatible = "nvidia,tegra20-gr3d";
 			reg = <0x54180000 0x00040000>;
-			clocks = <&tegra_car 24>;
+			clocks = <&tegra_car TEGRA20_CLK_GR3D>;
 		};
 
 		dc@54200000 {
 			compatible = "nvidia,tegra20-dc";
 			reg = <0x54200000 0x00040000>;
-			interrupts = <0 73 0x04>;
-			clocks = <&tegra_car 27>, <&tegra_car 121>;
+			interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_DISP1>,
+				 <&tegra_car TEGRA20_CLK_PLL_P>;
 			clock-names = "disp1", "parent";
 
 			rgb {
@@ -80,8 +85,9 @@
 		dc@54240000 {
 			compatible = "nvidia,tegra20-dc";
 			reg = <0x54240000 0x00040000>;
-			interrupts = <0 74 0x04>;
-			clocks = <&tegra_car 26>, <&tegra_car 121>;
+			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_DISP2>,
+				 <&tegra_car TEGRA20_CLK_PLL_P>;
 			clock-names = "disp2", "parent";
 
 			rgb {
@@ -92,8 +98,9 @@
 		hdmi {
 			compatible = "nvidia,tegra20-hdmi";
 			reg = <0x54280000 0x00040000>;
-			interrupts = <0 75 0x04>;
-			clocks = <&tegra_car 51>, <&tegra_car 117>;
+			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_HDMI>,
+				 <&tegra_car TEGRA20_CLK_PLL_D_OUT0>;
 			clock-names = "hdmi", "parent";
 			status = "disabled";
 		};
@@ -101,15 +108,15 @@
 		tvo {
 			compatible = "nvidia,tegra20-tvo";
 			reg = <0x542c0000 0x00040000>;
-			interrupts = <0 76 0x04>;
-			clocks = <&tegra_car 102>;
+			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_TVO>;
 			status = "disabled";
 		};
 
 		dsi {
 			compatible = "nvidia,tegra20-dsi";
 			reg = <0x54300000 0x00040000>;
-			clocks = <&tegra_car 48>;
+			clocks = <&tegra_car TEGRA20_CLK_DSI>;
 			status = "disabled";
 		};
 	};
@@ -117,8 +124,9 @@
 	timer@50004600 {
 		compatible = "arm,cortex-a9-twd-timer";
 		reg = <0x50040600 0x20>;
-		interrupts = <1 13 0x304>;
-		clocks = <&tegra_car 132>;
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+		clocks = <&tegra_car TEGRA20_CLK_TWD>;
 	};
 
 	intc: interrupt-controller {
@@ -141,11 +149,11 @@
 	timer@60005000 {
 		compatible = "nvidia,tegra20-timer";
 		reg = <0x60005000 0x60>;
-		interrupts = <0 0 0x04
-			      0 1 0x04
-			      0 41 0x04
-			      0 42 0x04>;
-		clocks = <&tegra_car 5>;
+		interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_TIMER>;
 	};
 
 	tegra_car: clock {
@@ -157,23 +165,23 @@
 	apbdma: dma {
 		compatible = "nvidia,tegra20-apbdma";
 		reg = <0x6000a000 0x1200>;
-		interrupts = <0 104 0x04
-			      0 105 0x04
-			      0 106 0x04
-			      0 107 0x04
-			      0 108 0x04
-			      0 109 0x04
-			      0 110 0x04
-			      0 111 0x04
-			      0 112 0x04
-			      0 113 0x04
-			      0 114 0x04
-			      0 115 0x04
-			      0 116 0x04
-			      0 117 0x04
-			      0 118 0x04
-			      0 119 0x04>;
-		clocks = <&tegra_car 34>;
+		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_APBDMA>;
 	};
 
 	ahb {
@@ -184,13 +192,13 @@
 	gpio: gpio {
 		compatible = "nvidia,tegra20-gpio";
 		reg = <0x6000d000 0x1000>;
-		interrupts = <0 32 0x04
-			      0 33 0x04
-			      0 34 0x04
-			      0 35 0x04
-			      0 55 0x04
-			      0 87 0x04
-			      0 89 0x04>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
 		#gpio-cells = <2>;
 		gpio-controller;
 		#interrupt-cells = <2>;
@@ -213,27 +221,27 @@
 	tegra_ac97: ac97 {
 		compatible = "nvidia,tegra20-ac97";
 		reg = <0x70002000 0x200>;
-		interrupts = <0 81 0x04>;
+		interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 12>;
-		clocks = <&tegra_car 3>;
+		clocks = <&tegra_car TEGRA20_CLK_AC97>;
 		status = "disabled";
 	};
 
 	tegra_i2s1: i2s@70002800 {
 		compatible = "nvidia,tegra20-i2s";
 		reg = <0x70002800 0x200>;
-		interrupts = <0 13 0x04>;
+		interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 2>;
-		clocks = <&tegra_car 11>;
+		clocks = <&tegra_car TEGRA20_CLK_I2S1>;
 		status = "disabled";
 	};
 
 	tegra_i2s2: i2s@70002a00 {
 		compatible = "nvidia,tegra20-i2s";
 		reg = <0x70002a00 0x200>;
-		interrupts = <0 3 0x04>;
+		interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 1>;
-		clocks = <&tegra_car 18>;
+		clocks = <&tegra_car TEGRA20_CLK_I2S2>;
 		status = "disabled";
 	};
 
@@ -248,9 +256,9 @@
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006000 0x40>;
 		reg-shift = <2>;
-		interrupts = <0 36 0x04>;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 8>;
-		clocks = <&tegra_car 6>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTA>;
 		status = "disabled";
 	};
 
@@ -258,9 +266,9 @@
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006040 0x40>;
 		reg-shift = <2>;
-		interrupts = <0 37 0x04>;
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 9>;
-		clocks = <&tegra_car 96>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTB>;
 		status = "disabled";
 	};
 
@@ -268,9 +276,9 @@
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006200 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 46 0x04>;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 10>;
-		clocks = <&tegra_car 55>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTC>;
 		status = "disabled";
 	};
 
@@ -278,9 +286,9 @@
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006300 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 90 0x04>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 19>;
-		clocks = <&tegra_car 65>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTD>;
 		status = "disabled";
 	};
 
@@ -288,9 +296,9 @@
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006400 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 91 0x04>;
+		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 20>;
-		clocks = <&tegra_car 66>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTE>;
 		status = "disabled";
 	};
 
@@ -298,24 +306,25 @@
 		compatible = "nvidia,tegra20-pwm";
 		reg = <0x7000a000 0x100>;
 		#pwm-cells = <2>;
-		clocks = <&tegra_car 17>;
+		clocks = <&tegra_car TEGRA20_CLK_PWM>;
 		status = "disabled";
 	};
 
 	rtc {
 		compatible = "nvidia,tegra20-rtc";
 		reg = <0x7000e000 0x100>;
-		interrupts = <0 2 0x04>;
-		clocks = <&tegra_car 4>;
+		interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_RTC>;
 	};
 
 	i2c@7000c000 {
 		compatible = "nvidia,tegra20-i2c";
 		reg = <0x7000c000 0x100>;
-		interrupts = <0 38 0x04>;
+		interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 12>, <&tegra_car 124>;
+		clocks = <&tegra_car TEGRA20_CLK_I2C1>,
+			 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -323,21 +332,22 @@
 	spi@7000c380 {
 		compatible = "nvidia,tegra20-sflash";
 		reg = <0x7000c380 0x80>;
-		interrupts = <0 39 0x04>;
+		interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 11>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 43>;
+		clocks = <&tegra_car TEGRA20_CLK_SPI>;
 		status = "disabled";
 	};
 
 	i2c@7000c400 {
 		compatible = "nvidia,tegra20-i2c";
 		reg = <0x7000c400 0x100>;
-		interrupts = <0 84 0x04>;
+		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 54>, <&tegra_car 124>;
+		clocks = <&tegra_car TEGRA20_CLK_I2C2>,
+			 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -345,10 +355,11 @@
 	i2c@7000c500 {
 		compatible = "nvidia,tegra20-i2c";
 		reg = <0x7000c500 0x100>;
-		interrupts = <0 92 0x04>;
+		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 67>, <&tegra_car 124>;
+		clocks = <&tegra_car TEGRA20_CLK_I2C3>,
+			 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -356,10 +367,11 @@
 	i2c@7000d000 {
 		compatible = "nvidia,tegra20-i2c-dvc";
 		reg = <0x7000d000 0x200>;
-		interrupts = <0 53 0x04>;
+		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 47>, <&tegra_car 124>;
+		clocks = <&tegra_car TEGRA20_CLK_DVC>,
+			 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -367,59 +379,59 @@
 	spi@7000d400 {
 		compatible = "nvidia,tegra20-slink";
 		reg = <0x7000d400 0x200>;
-		interrupts = <0 59 0x04>;
+		interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 15>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 41>;
+		clocks = <&tegra_car TEGRA20_CLK_SBC1>;
 		status = "disabled";
 	};
 
 	spi@7000d600 {
 		compatible = "nvidia,tegra20-slink";
 		reg = <0x7000d600 0x200>;
-		interrupts = <0 82 0x04>;
+		interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 16>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 44>;
+		clocks = <&tegra_car TEGRA20_CLK_SBC2>;
 		status = "disabled";
 	};
 
 	spi@7000d800 {
 		compatible = "nvidia,tegra20-slink";
 		reg = <0x7000d800 0x200>;
-		interrupts = <0 83 0x04>;
+		interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 17>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 46>;
+		clocks = <&tegra_car TEGRA20_CLK_SBC3>;
 		status = "disabled";
 	};
 
 	spi@7000da00 {
 		compatible = "nvidia,tegra20-slink";
 		reg = <0x7000da00 0x200>;
-		interrupts = <0 93 0x04>;
+		interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 18>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 68>;
+		clocks = <&tegra_car TEGRA20_CLK_SBC4>;
 		status = "disabled";
 	};
 
 	kbc {
 		compatible = "nvidia,tegra20-kbc";
 		reg = <0x7000e200 0x100>;
-		interrupts = <0 85 0x04>;
-		clocks = <&tegra_car 36>;
+		interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_KBC>;
 		status = "disabled";
 	};
 
 	pmc {
 		compatible = "nvidia,tegra20-pmc";
 		reg = <0x7000e400 0x400>;
-		clocks = <&tegra_car 110>, <&clk32k_in>;
+		clocks = <&tegra_car TEGRA20_CLK_PCLK>, <&clk32k_in>;
 		clock-names = "pclk", "clk32k_in";
 	};
 
@@ -427,7 +439,7 @@
 		compatible = "nvidia,tegra20-mc";
 		reg = <0x7000f000 0x024
 		       0x7000f03c 0x3c4>;
-		interrupts = <0 77 0x04>;
+		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	iommu {
@@ -446,89 +458,114 @@
 	usb@c5000000 {
 		compatible = "nvidia,tegra20-ehci", "usb-ehci";
 		reg = <0xc5000000 0x4000>;
-		interrupts = <0 20 0x04>;
+		interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
 		phy_type = "utmi";
 		nvidia,has-legacy-mode;
-		clocks = <&tegra_car 22>;
+		clocks = <&tegra_car TEGRA20_CLK_USBD>;
 		nvidia,needs-double-reset;
 		nvidia,phy = <&phy1>;
 		status = "disabled";
 	};
 
-	phy1: usb-phy@c5000400 {
+	phy1: usb-phy@c5000000 {
 		compatible = "nvidia,tegra20-usb-phy";
-		reg = <0xc5000400 0x3c00>;
+		reg = <0xc5000000 0x4000 0xc5000000 0x4000>;
 		phy_type = "utmi";
+		clocks = <&tegra_car TEGRA20_CLK_USBD>,
+			 <&tegra_car TEGRA20_CLK_PLL_U>,
+			 <&tegra_car TEGRA20_CLK_CLK_M>,
+			 <&tegra_car TEGRA20_CLK_USBD>;
+		clock-names = "reg", "pll_u", "timer", "utmi-pads";
 		nvidia,has-legacy-mode;
-		clocks = <&tegra_car 22>, <&tegra_car 127>;
-		clock-names = "phy", "pll_u";
+		hssync_start_delay = <9>;
+		idle_wait_delay = <17>;
+		elastic_limit = <16>;
+		term_range_adj = <6>;
+		xcvr_setup = <9>;
+		xcvr_lsfslew = <1>;
+		xcvr_lsrslew = <1>;
+		status = "disabled";
 	};
 
 	usb@c5004000 {
 		compatible = "nvidia,tegra20-ehci", "usb-ehci";
 		reg = <0xc5004000 0x4000>;
-		interrupts = <0 21 0x04>;
+		interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
 		phy_type = "ulpi";
-		clocks = <&tegra_car 58>;
+		clocks = <&tegra_car TEGRA20_CLK_USB2>;
 		nvidia,phy = <&phy2>;
 		status = "disabled";
 	};
 
-	phy2: usb-phy@c5004400 {
+	phy2: usb-phy@c5004000 {
 		compatible = "nvidia,tegra20-usb-phy";
-		reg = <0xc5004400 0x3c00>;
+		reg = <0xc5004000 0x4000>;
 		phy_type = "ulpi";
-		clocks = <&tegra_car 93>, <&tegra_car 127>;
-		clock-names = "phy", "pll_u";
+		clocks = <&tegra_car TEGRA20_CLK_USB2>,
+			 <&tegra_car TEGRA20_CLK_PLL_U>,
+			 <&tegra_car TEGRA20_CLK_CDEV2>;
+		clock-names = "reg", "pll_u", "ulpi-link";
+		status = "disabled";
 	};
 
 	usb@c5008000 {
 		compatible = "nvidia,tegra20-ehci", "usb-ehci";
 		reg = <0xc5008000 0x4000>;
-		interrupts = <0 97 0x04>;
+		interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
 		phy_type = "utmi";
-		clocks = <&tegra_car 59>;
+		clocks = <&tegra_car TEGRA20_CLK_USB3>;
 		nvidia,phy = <&phy3>;
 		status = "disabled";
 	};
 
-	phy3: usb-phy@c5008400 {
+	phy3: usb-phy@c5008000 {
 		compatible = "nvidia,tegra20-usb-phy";
-		reg = <0xc5008400 0x3c00>;
+		reg = <0xc5008000 0x4000 0xc5000000 0x4000>;
 		phy_type = "utmi";
-		clocks = <&tegra_car 22>, <&tegra_car 127>;
-		clock-names = "phy", "pll_u";
+		clocks = <&tegra_car TEGRA20_CLK_USB3>,
+			 <&tegra_car TEGRA20_CLK_PLL_U>,
+			 <&tegra_car TEGRA20_CLK_CLK_M>,
+			 <&tegra_car TEGRA20_CLK_USBD>;
+		clock-names = "reg", "pll_u", "timer", "utmi-pads";
+		hssync_start_delay = <9>;
+		idle_wait_delay = <17>;
+		elastic_limit = <16>;
+		term_range_adj = <6>;
+		xcvr_setup = <9>;
+		xcvr_lsfslew = <2>;
+		xcvr_lsrslew = <2>;
+		status = "disabled";
 	};
 
 	sdhci@c8000000 {
 		compatible = "nvidia,tegra20-sdhci";
 		reg = <0xc8000000 0x200>;
-		interrupts = <0 14 0x04>;
-		clocks = <&tegra_car 14>;
+		interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_SDMMC1>;
 		status = "disabled";
 	};
 
 	sdhci@c8000200 {
 		compatible = "nvidia,tegra20-sdhci";
 		reg = <0xc8000200 0x200>;
-		interrupts = <0 15 0x04>;
-		clocks = <&tegra_car 9>;
+		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_SDMMC2>;
 		status = "disabled";
 	};
 
 	sdhci@c8000400 {
 		compatible = "nvidia,tegra20-sdhci";
 		reg = <0xc8000400 0x200>;
-		interrupts = <0 19 0x04>;
-		clocks = <&tegra_car 69>;
+		interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_SDMMC3>;
 		status = "disabled";
 	};
 
 	sdhci@c8000600 {
 		compatible = "nvidia,tegra20-sdhci";
 		reg = <0xc8000600 0x200>;
-		interrupts = <0 31 0x04>;
-		clocks = <&tegra_car 15>;
+		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_SDMMC4>;
 		status = "disabled";
 	};
 
@@ -551,7 +588,7 @@
 
 	pmu {
 		compatible = "arm,cortex-a9-pmu";
-		interrupts = <0 56 0x04
-			      0 57 0x04>;
+		interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
 	};
 };
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index b732f7c13a66..a7a34b96717c 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -1,13 +1,13 @@
 /dts-v1/;
 
-/include/ "tegra30.dtsi"
+#include "tegra30.dtsi"
 
 / {
 	model = "NVIDIA Tegra30 Beaver evaluation board";
 	compatible = "nvidia,beaver", "nvidia,tegra30";
 
 	memory {
-		reg = <0x80000000 0x80000000>;
+		reg = <0x80000000 0x7ff00000>;
 	};
 
 	pinmux {
@@ -133,7 +133,7 @@
 			compatible = "ti,tps65911";
 			reg = <0x2d>;
 
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 			#interrupt-cells = <2>;
 			interrupt-controller;
 
@@ -264,9 +264,9 @@
 
 	sdhci@78000000 {
 		status = "okay";
-		cd-gpios = <&gpio 69 1>; /* gpio PI5 */
-		wp-gpios = <&gpio 155 0>; /* gpio PT3 */
-		power-gpios = <&gpio 31 0>; /* gpio PD7 */
+		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(T, 3) GPIO_ACTIVE_HIGH>;
+		power-gpios = <&gpio TEGRA_GPIO(D, 7) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 	};
 
@@ -312,7 +312,7 @@
 			regulator-boot-on;
 			regulator-always-on;
 			enable-active-high;
-			gpio = <&pmic 0 0>; /* PMIC TPS65911 GPIO0 */
+			gpio = <&pmic 0 GPIO_ACTIVE_HIGH>;
 		};
 
 		ddr_reg: regulator@2 {
@@ -324,7 +324,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&pmic 7 0>; /* PMIC TPS65911 GPIO7 */
+			gpio = <&pmic 7 GPIO_ACTIVE_HIGH>;
 			vin-supply = <&vdd_5v_in_reg>;
 		};
 
@@ -337,7 +337,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 30 0>; /* gpio PD6 */
+			gpio = <&gpio TEGRA_GPIO(D, 6) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&vdd_5v_in_reg>;
 		};
 
@@ -348,7 +348,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 68 0>; /* GPIO PI4 */
+			gpio = <&gpio TEGRA_GPIO(I, 4) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&vdd_5v_in_reg>;
 		};
@@ -360,7 +360,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 63 0>; /* GPIO PH7 */
+			gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&vdd_5v_in_reg>;
 		};
@@ -374,7 +374,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&pmic 6 0>; /* PMIC TPS65911 GPIO6 */
+			gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
 			vin-supply = <&vdd_5v_in_reg>;
 		};
 
@@ -387,8 +387,21 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 95 0>; /* gpio PL7 */
+			gpio = <&gpio TEGRA_GPIO(L, 7) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		gpled1 {
+			label = "LED1"; /* CR5A1 (blue) */
+			gpios = <&gpio TEGRA_GPIO(L, 1) GPIO_ACTIVE_HIGH>;
+		};
+		gpled2 {
+			label = "LED2"; /* CR4A2 (green) */
+			gpios = <&gpio TEGRA_GPIO(L, 0) GPIO_ACTIVE_HIGH>;
+		};
+	};
 };
diff --git a/arch/arm/boot/dts/tegra30-cardhu-a02.dts b/arch/arm/boot/dts/tegra30-cardhu-a02.dts
index e392bd2dab9b..1082c5ed90d1 100644
--- a/arch/arm/boot/dts/tegra30-cardhu-a02.dts
+++ b/arch/arm/boot/dts/tegra30-cardhu-a02.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra30-cardhu.dtsi"
+#include "tegra30-cardhu.dtsi"
 
 /* This dts file support the cardhu A02 version of board */
 
@@ -22,7 +22,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&pmic 6 0>;
+			gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
 		};
 
 		sys_3v3_reg: regulator@101 {
@@ -34,7 +34,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&pmic 7 0>;
+			gpio = <&pmic 7 GPIO_ACTIVE_HIGH>;
 		};
 
 		usb1_vbus_reg: regulator@102 {
@@ -44,7 +44,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 68 0>; /* GPIO PI4 */
+			gpio = <&gpio TEGRA_GPIO(I, 4) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&vdd_5v0_reg>;
 		};
@@ -56,7 +56,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 63 0>; /* GPIO PH7 */
+			gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&vdd_5v0_reg>;
 		};
@@ -68,7 +68,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&pmic 2 0>;
+			gpio = <&pmic 2 GPIO_ACTIVE_HIGH>;
 		};
 
 		vdd_bl_reg: regulator@105 {
@@ -80,13 +80,13 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 83 0>; /* GPIO PK3 */
+			gpio = <&gpio TEGRA_GPIO(K, 3) GPIO_ACTIVE_HIGH>;
 		};
 	};
 
 	sdhci@78000400 {
 		status = "okay";
-		power-gpios = <&gpio 28 0>; /* gpio PD4 */
+		power-gpios = <&gpio TEGRA_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 		keep-power-in-suspend;
 	};
diff --git a/arch/arm/boot/dts/tegra30-cardhu-a04.dts b/arch/arm/boot/dts/tegra30-cardhu-a04.dts
index d0db6c7e774f..bf012bddaafb 100644
--- a/arch/arm/boot/dts/tegra30-cardhu-a04.dts
+++ b/arch/arm/boot/dts/tegra30-cardhu-a04.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "tegra30-cardhu.dtsi"
+#include "tegra30-cardhu.dtsi"
 
 /* This dts file support the cardhu A04 and later versions of board */
 
@@ -22,7 +22,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&pmic 7 0>;
+			gpio = <&pmic 7 GPIO_ACTIVE_HIGH>;
 		};
 
 		sys_3v3_reg: regulator@101 {
@@ -34,7 +34,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&pmic 6 0>;
+			gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
 		};
 
 		usb1_vbus_reg: regulator@102 {
@@ -44,7 +44,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 238 0>; /* GPIO PDD6 */
+			gpio = <&gpio TEGRA_GPIO(DD, 6) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&vdd_5v0_reg>;
 		};
@@ -56,7 +56,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 236 0>; /* GPIO PDD4 */
+			gpio = <&gpio TEGRA_GPIO(DD, 4) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&vdd_5v0_reg>;
 		};
@@ -68,7 +68,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&pmic 8 0>;
+			gpio = <&pmic 8 GPIO_ACTIVE_HIGH>;
 		};
 
 		vdd_bl_reg: regulator@105 {
@@ -80,7 +80,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 234 0>; /* GPIO PDD2 */
+			gpio = <&gpio TEGRA_GPIO(DD, 2) GPIO_ACTIVE_HIGH>;
 		};
 
 		vdd_bl2_reg: regulator@106 {
@@ -92,13 +92,13 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 232 0>; /* GPIO PDD0 */
+			gpio = <&gpio TEGRA_GPIO(DD, 0) GPIO_ACTIVE_HIGH>;
 		};
 	};
 
 	sdhci@78000400 {
 		status = "okay";
-		power-gpios = <&gpio 27 0>; /* gpio PD3 */
+		power-gpios = <&gpio TEGRA_GPIO(D, 3) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 		keep-power-in-suspend;
 	};
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index 01b4c26fad96..f65b53d32416 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -1,4 +1,4 @@
-/include/ "tegra30.dtsi"
+#include "tegra30.dtsi"
 
 /**
  * This file contains common DT entry for all fab version of Cardhu.
@@ -146,7 +146,7 @@
 			compatible = "isil,isl29028";
 			reg = <0x44>;
 			interrupt-parent = <&gpio>;
-			interrupts = <88 0x04>; /*gpio PL0 */
+			interrupts = <TEGRA_GPIO(L, 0) IRQ_TYPE_LEVEL_HIGH>;
 		};
 	};
 
@@ -163,7 +163,7 @@
 			compatible = "wlf,wm8903";
 			reg = <0x1a>;
 			interrupt-parent = <&gpio>;
-			interrupts = <179 0x04>; /* gpio PW3 */
+			interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_HIGH>;
 
 			gpio-controller;
 			#gpio-cells = <2>;
@@ -190,7 +190,7 @@
 			compatible = "ti,tps65911";
 			reg = <0x2d>;
 
-			interrupts = <0 86 0x4>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
 			#interrupt-cells = <2>;
 			interrupt-controller;
 
@@ -318,9 +318,9 @@
 
 	sdhci@78000000 {
 		status = "okay";
-		cd-gpios = <&gpio 69 1>; /* gpio PI5 */
-		wp-gpios = <&gpio 155 0>; /* gpio PT3 */
-		power-gpios = <&gpio 31 0>; /* gpio PD7 */
+		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(T, 3) GPIO_ACTIVE_HIGH>;
+		power-gpios = <&gpio TEGRA_GPIO(D, 7) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 	};
 
@@ -364,7 +364,7 @@
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
 			enable-active-high;
-			gpio = <&gpio 220 0>; /* gpio PBB4 */
+			gpio = <&gpio TEGRA_GPIO(BB, 4) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&vio_reg>;
 		};
 
@@ -377,7 +377,7 @@
 			regulator-boot-on;
 			regulator-always-on;
 			enable-active-high;
-			gpio = <&pmic 0 0>; /* PMIC TPS65911 GPIO0 */
+			gpio = <&pmic 0 GPIO_ACTIVE_HIGH>;
 		};
 
 		emmc_3v3_reg: regulator@3 {
@@ -389,7 +389,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 25 0>; /* gpio PD1 */
+			gpio = <&gpio TEGRA_GPIO(D, 1) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -400,7 +400,7 @@
 			regulator-min-microvolt = <3300000>;
 			regulator-max-microvolt = <3300000>;
 			enable-active-high;
-			gpio = <&gpio 30 0>; /* gpio PD6 */
+			gpio = <&gpio TEGRA_GPIO(D, 6) GPIO_ACTIVE_HIGH>;
 		};
 
 		pex_hvdd_3v3_reg: regulator@5 {
@@ -410,7 +410,7 @@
 			regulator-min-microvolt = <3300000>;
 			regulator-max-microvolt = <3300000>;
 			enable-active-high;
-			gpio = <&gpio 95 0>; /* gpio PL7 */
+			gpio = <&gpio TEGRA_GPIO(L, 7) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -421,7 +421,7 @@
 			regulator-min-microvolt = <2800000>;
 			regulator-max-microvolt = <2800000>;
 			enable-active-high;
-			gpio = <&gpio 142 0>; /* gpio PR6 */
+			gpio = <&gpio TEGRA_GPIO(R, 6) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -432,7 +432,7 @@
 			regulator-min-microvolt = <2800000>;
 			regulator-max-microvolt = <2800000>;
 			enable-active-high;
-			gpio = <&gpio 143 0>; /* gpio PR7 */
+			gpio = <&gpio TEGRA_GPIO(R, 7) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -443,7 +443,7 @@
 			regulator-min-microvolt = <3300000>;
 			regulator-max-microvolt = <3300000>;
 			enable-active-high;
-			gpio = <&gpio 144 0>; /* gpio PS0 */
+			gpio = <&gpio TEGRA_GPIO(S, 0) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -456,7 +456,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 24 0>; /* gpio PD0 */
+			gpio = <&gpio TEGRA_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -467,7 +467,7 @@
 			regulator-min-microvolt = <3300000>;
 			regulator-max-microvolt = <3300000>;
 			enable-active-high;
-			gpio = <&gpio 94 0>; /* gpio PL6 */
+			gpio = <&gpio TEGRA_GPIO(L, 6) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -480,7 +480,7 @@
 			regulator-always-on;
 			regulator-boot-on;
 			enable-active-high;
-			gpio = <&gpio 92 0>; /* gpio PL4 */
+			gpio = <&gpio TEGRA_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
 			vin-supply = <&sys_3v3_reg>;
 		};
 
@@ -491,7 +491,7 @@
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			enable-active-high;
-			gpio = <&gpio 152 0>; /* GPIO PT0 */
+			gpio = <&gpio TEGRA_GPIO(T, 0) GPIO_ACTIVE_HIGH>;
 			gpio-open-drain;
 			vin-supply = <&vdd_5v0_reg>;
 		};
@@ -515,10 +515,13 @@
 		nvidia,i2s-controller = <&tegra_i2s1>;
 		nvidia,audio-codec = <&wm8903>;
 
-		nvidia,spkr-en-gpios = <&wm8903 2 0>;
-		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
+		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
+		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2)
+			GPIO_ACTIVE_HIGH>;
 
-		clocks = <&tegra_car 184>, <&tegra_car 185>, <&tegra_car 120>;
+		clocks = <&tegra_car TEGRA30_CLK_PLL_A>,
+			 <&tegra_car TEGRA30_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA30_CLK_EXTERN1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
 };
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index 15ded605142a..d8783f0fae63 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -1,4 +1,8 @@
-/include/ "skeleton.dtsi"
+#include <dt-bindings/clock/tegra30-car.h>
+#include <dt-bindings/gpio/tegra-gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "skeleton.dtsi"
 
 / {
 	compatible = "nvidia,tegra30";
@@ -15,9 +19,9 @@
 	host1x {
 		compatible = "nvidia,tegra30-host1x", "simple-bus";
 		reg = <0x50000000 0x00024000>;
-		interrupts = <0 65 0x04   /* mpcore syncpt */
-			      0 67 0x04>; /* mpcore general */
-		clocks = <&tegra_car 28>;
+		interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>, /* syncpt */
+			     <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>; /* general */
+		clocks = <&tegra_car TEGRA30_CLK_HOST1X>;
 
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -27,36 +31,36 @@
 		mpe {
 			compatible = "nvidia,tegra30-mpe";
 			reg = <0x54040000 0x00040000>;
-			interrupts = <0 68 0x04>;
-			clocks = <&tegra_car 60>;
+			interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_MPE>;
 		};
 
 		vi {
 			compatible = "nvidia,tegra30-vi";
 			reg = <0x54080000 0x00040000>;
-			interrupts = <0 69 0x04>;
-			clocks = <&tegra_car 164>;
+			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_VI>;
 		};
 
 		epp {
 			compatible = "nvidia,tegra30-epp";
 			reg = <0x540c0000 0x00040000>;
-			interrupts = <0 70 0x04>;
-			clocks = <&tegra_car 19>;
+			interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_EPP>;
 		};
 
 		isp {
 			compatible = "nvidia,tegra30-isp";
 			reg = <0x54100000 0x00040000>;
-			interrupts = <0 71 0x04>;
-			clocks = <&tegra_car 23>;
+			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_ISP>;
 		};
 
 		gr2d {
 			compatible = "nvidia,tegra30-gr2d";
 			reg = <0x54140000 0x00040000>;
-			interrupts = <0 72 0x04>;
-			clocks = <&tegra_car 21>;
+			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_GR2D>;
 		};
 
 		gr3d {
@@ -69,8 +73,9 @@
 		dc@54200000 {
 			compatible = "nvidia,tegra30-dc";
 			reg = <0x54200000 0x00040000>;
-			interrupts = <0 73 0x04>;
-			clocks = <&tegra_car 27>, <&tegra_car 179>;
+			interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_DISP1>,
+				 <&tegra_car TEGRA30_CLK_PLL_P>;
 			clock-names = "disp1", "parent";
 
 			rgb {
@@ -81,8 +86,9 @@
 		dc@54240000 {
 			compatible = "nvidia,tegra30-dc";
 			reg = <0x54240000 0x00040000>;
-			interrupts = <0 74 0x04>;
-			clocks = <&tegra_car 26>, <&tegra_car 179>;
+			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_DISP2>,
+				 <&tegra_car TEGRA30_CLK_PLL_P>;
 			clock-names = "disp2", "parent";
 
 			rgb {
@@ -93,8 +99,9 @@
 		hdmi {
 			compatible = "nvidia,tegra30-hdmi";
 			reg = <0x54280000 0x00040000>;
-			interrupts = <0 75 0x04>;
-			clocks = <&tegra_car 51>, <&tegra_car 189>;
+			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_HDMI>,
+				 <&tegra_car TEGRA30_CLK_PLL_D2_OUT0>;
 			clock-names = "hdmi", "parent";
 			status = "disabled";
 		};
@@ -102,15 +109,15 @@
 		tvo {
 			compatible = "nvidia,tegra30-tvo";
 			reg = <0x542c0000 0x00040000>;
-			interrupts = <0 76 0x04>;
-			clocks = <&tegra_car 169>;
+			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&tegra_car TEGRA30_CLK_TVO>;
 			status = "disabled";
 		};
 
 		dsi {
 			compatible = "nvidia,tegra30-dsi";
 			reg = <0x54300000 0x00040000>;
-			clocks = <&tegra_car 48>;
+			clocks = <&tegra_car TEGRA30_CLK_DSIA>;
 			status = "disabled";
 		};
 	};
@@ -118,8 +125,9 @@
 	timer@50004600 {
 		compatible = "arm,cortex-a9-twd-timer";
 		reg = <0x50040600 0x20>;
-		interrupts = <1 13 0xf04>;
-		clocks = <&tegra_car 214>;
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+		clocks = <&tegra_car TEGRA30_CLK_TWD>;
 	};
 
 	intc: interrupt-controller {
@@ -142,13 +150,13 @@
 	timer@60005000 {
 		compatible = "nvidia,tegra30-timer", "nvidia,tegra20-timer";
 		reg = <0x60005000 0x400>;
-		interrupts = <0 0 0x04
-			      0 1 0x04
-			      0 41 0x04
-			      0 42 0x04
-			      0 121 0x04
-			      0 122 0x04>;
-		clocks = <&tegra_car 5>;
+		interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_TIMER>;
 	};
 
 	tegra_car: clock {
@@ -160,39 +168,39 @@
 	apbdma: dma {
 		compatible = "nvidia,tegra30-apbdma", "nvidia,tegra20-apbdma";
 		reg = <0x6000a000 0x1400>;
-		interrupts = <0 104 0x04
-			      0 105 0x04
-			      0 106 0x04
-			      0 107 0x04
-			      0 108 0x04
-			      0 109 0x04
-			      0 110 0x04
-			      0 111 0x04
-			      0 112 0x04
-			      0 113 0x04
-			      0 114 0x04
-			      0 115 0x04
-			      0 116 0x04
-			      0 117 0x04
-			      0 118 0x04
-			      0 119 0x04
-			      0 128 0x04
-			      0 129 0x04
-			      0 130 0x04
-			      0 131 0x04
-			      0 132 0x04
-			      0 133 0x04
-			      0 134 0x04
-			      0 135 0x04
-			      0 136 0x04
-			      0 137 0x04
-			      0 138 0x04
-			      0 139 0x04
-			      0 140 0x04
-			      0 141 0x04
-			      0 142 0x04
-			      0 143 0x04>;
-		clocks = <&tegra_car 34>;
+		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_APBDMA>;
 	};
 
 	ahb: ahb {
@@ -203,14 +211,14 @@
 	gpio: gpio {
 		compatible = "nvidia,tegra30-gpio";
 		reg = <0x6000d000 0x1000>;
-		interrupts = <0 32 0x04
-			      0 33 0x04
-			      0 34 0x04
-			      0 35 0x04
-			      0 55 0x04
-			      0 87 0x04
-			      0 89 0x04
-			      0 125 0x04>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
 		#gpio-cells = <2>;
 		gpio-controller;
 		#interrupt-cells = <2>;
@@ -235,9 +243,9 @@
 		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
 		reg = <0x70006000 0x40>;
 		reg-shift = <2>;
-		interrupts = <0 36 0x04>;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 8>;
-		clocks = <&tegra_car 6>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTA>;
 		status = "disabled";
 	};
 
@@ -245,9 +253,9 @@
 		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
 		reg = <0x70006040 0x40>;
 		reg-shift = <2>;
-		interrupts = <0 37 0x04>;
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 9>;
-		clocks = <&tegra_car 160>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTB>;
 		status = "disabled";
 	};
 
@@ -255,9 +263,9 @@
 		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
 		reg = <0x70006200 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 46 0x04>;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 10>;
-		clocks = <&tegra_car 55>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTC>;
 		status = "disabled";
 	};
 
@@ -265,9 +273,9 @@
 		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
 		reg = <0x70006300 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 90 0x04>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 19>;
-		clocks = <&tegra_car 65>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTD>;
 		status = "disabled";
 	};
 
@@ -275,9 +283,9 @@
 		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
 		reg = <0x70006400 0x100>;
 		reg-shift = <2>;
-		interrupts = <0 91 0x04>;
+		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 20>;
-		clocks = <&tegra_car 66>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTE>;
 		status = "disabled";
 	};
 
@@ -285,24 +293,25 @@
 		compatible = "nvidia,tegra30-pwm", "nvidia,tegra20-pwm";
 		reg = <0x7000a000 0x100>;
 		#pwm-cells = <2>;
-		clocks = <&tegra_car 17>;
+		clocks = <&tegra_car TEGRA30_CLK_PWM>;
 		status = "disabled";
 	};
 
 	rtc {
 		compatible = "nvidia,tegra30-rtc", "nvidia,tegra20-rtc";
 		reg = <0x7000e000 0x100>;
-		interrupts = <0 2 0x04>;
-		clocks = <&tegra_car 4>;
+		interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_RTC>;
 	};
 
 	i2c@7000c000 {
 		compatible =  "nvidia,tegra30-i2c", "nvidia,tegra20-i2c";
 		reg = <0x7000c000 0x100>;
-		interrupts = <0 38 0x04>;
+		interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 12>, <&tegra_car 182>;
+		clocks = <&tegra_car TEGRA30_CLK_I2C1>,
+			 <&tegra_car TEGRA30_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -310,10 +319,11 @@
 	i2c@7000c400 {
 		compatible = "nvidia,tegra30-i2c", "nvidia,tegra20-i2c";
 		reg = <0x7000c400 0x100>;
-		interrupts = <0 84 0x04>;
+		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 54>, <&tegra_car 182>;
+		clocks = <&tegra_car TEGRA30_CLK_I2C2>,
+			 <&tegra_car TEGRA30_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -321,10 +331,11 @@
 	i2c@7000c500 {
 		compatible = "nvidia,tegra30-i2c", "nvidia,tegra20-i2c";
 		reg = <0x7000c500 0x100>;
-		interrupts = <0 92 0x04>;
+		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 67>, <&tegra_car 182>;
+		clocks = <&tegra_car TEGRA30_CLK_I2C3>,
+			 <&tegra_car TEGRA30_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -332,10 +343,11 @@
 	i2c@7000c700 {
 		compatible = "nvidia,tegra30-i2c", "nvidia,tegra20-i2c";
 		reg = <0x7000c700 0x100>;
-		interrupts = <0 120 0x04>;
+		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 103>, <&tegra_car 182>;
+		clocks = <&tegra_car TEGRA30_CLK_I2C4>,
+			 <&tegra_car TEGRA30_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -343,10 +355,11 @@
 	i2c@7000d000 {
 		compatible = "nvidia,tegra30-i2c", "nvidia,tegra20-i2c";
 		reg = <0x7000d000 0x100>;
-		interrupts = <0 53 0x04>;
+		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 47>, <&tegra_car 182>;
+		clocks = <&tegra_car TEGRA30_CLK_I2C5>,
+			 <&tegra_car TEGRA30_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
 		status = "disabled";
 	};
@@ -354,81 +367,81 @@
 	spi@7000d400 {
 		compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
 		reg = <0x7000d400 0x200>;
-		interrupts = <0 59 0x04>;
+		interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 15>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 41>;
+		clocks = <&tegra_car TEGRA30_CLK_SBC1>;
 		status = "disabled";
 	};
 
 	spi@7000d600 {
 		compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
 		reg = <0x7000d600 0x200>;
-		interrupts = <0 82 0x04>;
+		interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 16>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 44>;
+		clocks = <&tegra_car TEGRA30_CLK_SBC2>;
 		status = "disabled";
 	};
 
 	spi@7000d800 {
 		compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
 		reg = <0x7000d800 0x200>;
-		interrupts = <0 83 0x04>;
+		interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 17>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 46>;
+		clocks = <&tegra_car TEGRA30_CLK_SBC3>;
 		status = "disabled";
 	};
 
 	spi@7000da00 {
 		compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
 		reg = <0x7000da00 0x200>;
-		interrupts = <0 93 0x04>;
+		interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 18>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 68>;
+		clocks = <&tegra_car TEGRA30_CLK_SBC4>;
 		status = "disabled";
 	};
 
 	spi@7000dc00 {
 		compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
 		reg = <0x7000dc00 0x200>;
-		interrupts = <0 94 0x04>;
+		interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 27>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 104>;
+		clocks = <&tegra_car TEGRA30_CLK_SBC5>;
 		status = "disabled";
 	};
 
 	spi@7000de00 {
 		compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
 		reg = <0x7000de00 0x200>;
-		interrupts = <0 79 0x04>;
+		interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 28>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		clocks = <&tegra_car 105>;
+		clocks = <&tegra_car TEGRA30_CLK_SBC6>;
 		status = "disabled";
 	};
 
 	kbc {
 		compatible = "nvidia,tegra30-kbc", "nvidia,tegra20-kbc";
 		reg = <0x7000e200 0x100>;
-		interrupts = <0 85 0x04>;
-		clocks = <&tegra_car 36>;
+		interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_KBC>;
 		status = "disabled";
 	};
 
 	pmc {
 		compatible = "nvidia,tegra30-pmc";
 		reg = <0x7000e400 0x400>;
-		clocks = <&tegra_car 218>, <&clk32k_in>;
+		clocks = <&tegra_car TEGRA30_CLK_PCLK>, <&clk32k_in>;
 		clock-names = "pclk", "clk32k_in";
 	};
 
@@ -438,7 +451,7 @@
 		       0x7000f03c 0x1b4
 		       0x7000f200 0x028
 		       0x7000f284 0x17c>;
-		interrupts = <0 77 0x04>;
+		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	iommu {
@@ -455,12 +468,19 @@
 		compatible = "nvidia,tegra30-ahub";
 		reg = <0x70080000 0x200
 		       0x70080200 0x100>;
-		interrupts = <0 103 0x04>;
+		interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,dma-request-selector = <&apbdma 1>;
-		clocks = <&tegra_car 106>, <&tegra_car 107>, <&tegra_car 30>,
-			 <&tegra_car 11>, <&tegra_car 18>, <&tegra_car 101>,
-			 <&tegra_car 102>, <&tegra_car 108>, <&tegra_car 109>,
-			 <&tegra_car 110>, <&tegra_car 162>;
+		clocks = <&tegra_car TEGRA30_CLK_D_AUDIO>,
+			 <&tegra_car TEGRA30_CLK_APBIF>,
+			 <&tegra_car TEGRA30_CLK_I2S0>,
+			 <&tegra_car TEGRA30_CLK_I2S1>,
+			 <&tegra_car TEGRA30_CLK_I2S2>,
+			 <&tegra_car TEGRA30_CLK_I2S3>,
+			 <&tegra_car TEGRA30_CLK_I2S4>,
+			 <&tegra_car TEGRA30_CLK_DAM0>,
+			 <&tegra_car TEGRA30_CLK_DAM1>,
+			 <&tegra_car TEGRA30_CLK_DAM2>,
+			 <&tegra_car TEGRA30_CLK_SPDIF_IN>;
 		clock-names = "d_audio", "apbif", "i2s0", "i2s1", "i2s2",
 			      "i2s3", "i2s4", "dam0", "dam1", "dam2",
 			      "spdif_in";
@@ -472,7 +492,7 @@
 			compatible = "nvidia,tegra30-i2s";
 			reg = <0x70080300 0x100>;
 			nvidia,ahub-cif-ids = <4 4>;
-			clocks = <&tegra_car 30>;
+			clocks = <&tegra_car TEGRA30_CLK_I2S0>;
 			status = "disabled";
 		};
 
@@ -480,7 +500,7 @@
 			compatible = "nvidia,tegra30-i2s";
 			reg = <0x70080400 0x100>;
 			nvidia,ahub-cif-ids = <5 5>;
-			clocks = <&tegra_car 11>;
+			clocks = <&tegra_car TEGRA30_CLK_I2S1>;
 			status = "disabled";
 		};
 
@@ -488,7 +508,7 @@
 			compatible = "nvidia,tegra30-i2s";
 			reg = <0x70080500 0x100>;
 			nvidia,ahub-cif-ids = <6 6>;
-			clocks = <&tegra_car 18>;
+			clocks = <&tegra_car TEGRA30_CLK_I2S2>;
 			status = "disabled";
 		};
 
@@ -496,7 +516,7 @@
 			compatible = "nvidia,tegra30-i2s";
 			reg = <0x70080600 0x100>;
 			nvidia,ahub-cif-ids = <7 7>;
-			clocks = <&tegra_car 101>;
+			clocks = <&tegra_car TEGRA30_CLK_I2S3>;
 			status = "disabled";
 		};
 
@@ -504,7 +524,7 @@
 			compatible = "nvidia,tegra30-i2s";
 			reg = <0x70080700 0x100>;
 			nvidia,ahub-cif-ids = <8 8>;
-			clocks = <&tegra_car 102>;
+			clocks = <&tegra_car TEGRA30_CLK_I2S4>;
 			status = "disabled";
 		};
 	};
@@ -512,32 +532,32 @@
 	sdhci@78000000 {
 		compatible = "nvidia,tegra30-sdhci", "nvidia,tegra20-sdhci";
 		reg = <0x78000000 0x200>;
-		interrupts = <0 14 0x04>;
-		clocks = <&tegra_car 14>;
+		interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_SDMMC1>;
 		status = "disabled";
 	};
 
 	sdhci@78000200 {
 		compatible = "nvidia,tegra30-sdhci", "nvidia,tegra20-sdhci";
 		reg = <0x78000200 0x200>;
-		interrupts = <0 15 0x04>;
-		clocks = <&tegra_car 9>;
+		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_SDMMC2>;
 		status = "disabled";
 	};
 
 	sdhci@78000400 {
 		compatible = "nvidia,tegra30-sdhci", "nvidia,tegra20-sdhci";
 		reg = <0x78000400 0x200>;
-		interrupts = <0 19 0x04>;
-		clocks = <&tegra_car 69>;
+		interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_SDMMC3>;
 		status = "disabled";
 	};
 
 	sdhci@78000600 {
 		compatible = "nvidia,tegra30-sdhci", "nvidia,tegra20-sdhci";
 		reg = <0x78000600 0x200>;
-		interrupts = <0 31 0x04>;
-		clocks = <&tegra_car 15>;
+		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_SDMMC4>;
 		status = "disabled";
 	};
 
@@ -572,9 +592,9 @@
 
 	pmu {
 		compatible = "arm,cortex-a9-pmu";
-		interrupts = <0 144 0x04
-			      0 145 0x04
-			      0 146 0x04
-			      0 147 0x04>;
+		interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
 	};
 };
diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig
index f7ba316164d4..e45fe3251742 100644
--- a/arch/arm/configs/tegra_defconfig
+++ b/arch/arm/configs/tegra_defconfig
@@ -21,8 +21,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_PARTITION_ADVANCED=y
 # CONFIG_IOSCHED_DEADLINE is not set
 # CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARCH_TEGRA=y
 CONFIG_GPIO_PCA953X=y
+CONFIG_ARCH_TEGRA=y
 CONFIG_ARCH_TEGRA_2x_SOC=y
 CONFIG_ARCH_TEGRA_3x_SOC=y
 CONFIG_ARCH_TEGRA_114_SOC=y
@@ -36,7 +36,6 @@ CONFIG_HIGHMEM=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_KEXEC=y
-CONFIG_AUTO_ZRELADDR=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_IDLE=y
@@ -81,7 +80,6 @@ CONFIG_DEVTMPFS_MOUNT=y
 # CONFIG_FIRMWARE_IN_KERNEL is not set
 CONFIG_CMA=y
 CONFIG_MTD=y
-CONFIG_MTD_CHAR=y
 CONFIG_MTD_M25P80=y
 CONFIG_PROC_DEVICETREE=y
 CONFIG_BLK_DEV_LOOP=y
@@ -105,8 +103,8 @@ CONFIG_BRCMFMAC=m
 CONFIG_RT2X00=y
 CONFIG_RT2800USB=m
 CONFIG_INPUT_EVDEV=y
-CONFIG_KEYBOARD_TEGRA=y
 CONFIG_KEYBOARD_GPIO=y
+CONFIG_KEYBOARD_TEGRA=y
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_MPU3050=y
 # CONFIG_LEGACY_PTYS is not set
@@ -121,6 +119,7 @@ CONFIG_I2C_MUX=y
 CONFIG_I2C_MUX_PINCTRL=y
 CONFIG_I2C_TEGRA=y
 CONFIG_SPI=y
+CONFIG_SPI_TEGRA114=y
 CONFIG_SPI_TEGRA20_SFLASH=y
 CONFIG_SPI_TEGRA20_SLINK=y
 CONFIG_GPIO_PCA953X_IRQ=y
@@ -129,14 +128,15 @@ CONFIG_GPIO_TPS6586X=y
 CONFIG_GPIO_TPS65910=y
 CONFIG_POWER_SUPPLY=y
 CONFIG_BATTERY_SBS=y
+CONFIG_CHARGER_TPS65090=y
 CONFIG_POWER_RESET=y
 CONFIG_POWER_RESET_GPIO=y
 CONFIG_SENSORS_LM90=y
-CONFIG_MFD_TPS6586X=y
-CONFIG_MFD_TPS65910=y
 CONFIG_MFD_MAX8907=y
-CONFIG_MFD_TPS65090=y
 CONFIG_MFD_PALMAS=y
+CONFIG_MFD_TPS65090=y
+CONFIG_MFD_TPS6586X=y
+CONFIG_MFD_TPS65910=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_REGULATOR_VIRTUAL_CONSUMER=y
@@ -190,7 +190,13 @@ CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_ONESHOT=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_LEDS_TRIGGER_TRANSIENT=y
+CONFIG_LEDS_TRIGGER_CAMERA=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_MAX8907=y
 CONFIG_RTC_DRV_PALMAS=y
@@ -203,7 +209,6 @@ CONFIG_TEGRA20_APB_DMA=y
 CONFIG_STAGING=y
 CONFIG_SENSORS_ISL29018=y
 CONFIG_SENSORS_ISL29028=y
-CONFIG_AK8975=y
 CONFIG_MFD_NVEC=y
 CONFIG_KEYBOARD_NVEC=y
 CONFIG_SERIO_NVEC_PS2=y
@@ -213,6 +218,7 @@ CONFIG_TEGRA_IOMMU_GART=y
 CONFIG_TEGRA_IOMMU_SMMU=y
 CONFIG_MEMORY=y
 CONFIG_IIO=y
+CONFIG_AK8975=y
 CONFIG_PWM=y
 CONFIG_PWM_TEGRA=y
 CONFIG_EXT2_FS=y
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index d011f0ad49c4..98b184efc110 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_HOTPLUG_CPU)               += hotplug.o
 obj-$(CONFIG_TEGRA_PCI)			+= pcie.o
 
 obj-$(CONFIG_ARCH_TEGRA_114_SOC)	+= tegra114_speedo.o
+obj-$(CONFIG_ARCH_TEGRA_114_SOC)	+= sleep-tegra30.o
 ifeq ($(CONFIG_CPU_IDLE),y)
 obj-$(CONFIG_ARCH_TEGRA_114_SOC)	+= cpuidle-tegra114.o
 endif
diff --git a/arch/arm/mach-tegra/common.h b/arch/arm/mach-tegra/common.h
index 5900cc44f780..32f8eb3fe344 100644
--- a/arch/arm/mach-tegra/common.h
+++ b/arch/arm/mach-tegra/common.h
@@ -2,3 +2,4 @@ extern struct smp_operations tegra_smp_ops;
 
 extern int tegra_cpu_kill(unsigned int cpu);
 extern void tegra_cpu_die(unsigned int cpu);
+extern int tegra_cpu_disable(unsigned int cpu);
diff --git a/arch/arm/mach-tegra/flowctrl.h b/arch/arm/mach-tegra/flowctrl.h
index 67eab56699bd..7a29bae799a7 100644
--- a/arch/arm/mach-tegra/flowctrl.h
+++ b/arch/arm/mach-tegra/flowctrl.h
@@ -25,6 +25,7 @@
 #define FLOW_CTRL_WAITEVENT		(2 << 29)
 #define FLOW_CTRL_WAIT_FOR_INTERRUPT	(4 << 29)
 #define FLOW_CTRL_JTAG_RESUME		(1 << 28)
+#define FLOW_CTRL_SCLK_RESUME		(1 << 27)
 #define FLOW_CTRL_HALT_CPU_IRQ		(1 << 10)
 #define	FLOW_CTRL_HALT_CPU_FIQ		(1 << 8)
 #define FLOW_CTRL_CPU0_CSR		0x8
diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h
index aacc00d05980..def79683bef6 100644
--- a/arch/arm/mach-tegra/fuse.h
+++ b/arch/arm/mach-tegra/fuse.h
@@ -19,16 +19,6 @@
 #ifndef __MACH_TEGRA_FUSE_H
 #define __MACH_TEGRA_FUSE_H
 
-enum tegra_revision {
-	TEGRA_REVISION_UNKNOWN = 0,
-	TEGRA_REVISION_A01,
-	TEGRA_REVISION_A02,
-	TEGRA_REVISION_A03,
-	TEGRA_REVISION_A03p,
-	TEGRA_REVISION_A04,
-	TEGRA_REVISION_MAX,
-};
-
 #define SKU_ID_T20	8
 #define SKU_ID_T25SE	20
 #define SKU_ID_AP25	23
@@ -40,6 +30,17 @@ enum tegra_revision {
 #define TEGRA30		0x30
 #define TEGRA114	0x35
 
+#ifndef __ASSEMBLY__
+enum tegra_revision {
+	TEGRA_REVISION_UNKNOWN = 0,
+	TEGRA_REVISION_A01,
+	TEGRA_REVISION_A02,
+	TEGRA_REVISION_A03,
+	TEGRA_REVISION_A03p,
+	TEGRA_REVISION_A04,
+	TEGRA_REVISION_MAX,
+};
+
 extern int tegra_sku_id;
 extern int tegra_cpu_process_id;
 extern int tegra_core_process_id;
@@ -72,5 +73,6 @@ void tegra114_init_speedo_data(void);
 #else
 static inline void tegra114_init_speedo_data(void) {}
 #endif
+#endif /* __ASSEMBLY__ */
 
 #endif
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
index 184914a68d73..a52c10e0a857 100644
--- a/arch/arm/mach-tegra/hotplug.c
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -46,6 +46,17 @@ void __ref tegra_cpu_die(unsigned int cpu)
 	BUG();
 }
 
+int tegra_cpu_disable(unsigned int cpu)
+{
+	switch (tegra_chip_id) {
+	case TEGRA20:
+	case TEGRA30:
+		return cpu == 0 ? -EPERM : 0;
+	default:
+		return 0;
+	}
+}
+
 void __init tegra_hotplug_init(void)
 {
 	if (!IS_ENABLED(CONFIG_HOTPLUG_CPU))
@@ -55,4 +66,6 @@ void __init tegra_hotplug_init(void)
 		tegra_hotplug_shutdown = tegra20_hotplug_shutdown;
 	if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_chip_id == TEGRA30)
 		tegra_hotplug_shutdown = tegra30_hotplug_shutdown;
+	if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_chip_id == TEGRA114)
+		tegra_hotplug_shutdown = tegra30_hotplug_shutdown;
 }
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index fad4226ef710..24db4ac428ae 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -140,8 +140,31 @@ remove_clamps:
 
 static int tegra114_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
+	int ret = 0;
+
 	cpu = cpu_logical_map(cpu);
-	return tegra_pmc_cpu_power_on(cpu);
+
+	if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) {
+		/*
+		 * Warm boot flow
+		 * The flow controller in charge of the power state and
+		 * control for each CPU.
+		 */
+		/* set SCLK as event trigger for flow controller */
+		flowctrl_write_cpu_csr(cpu, 1);
+		flowctrl_write_cpu_halt(cpu,
+				FLOW_CTRL_WAITEVENT | FLOW_CTRL_SCLK_RESUME);
+	} else {
+		/*
+		 * Cold boot flow
+		 * The CPU is powered up by toggling PMC directly. It will
+		 * also initial power state in flow controller. After that,
+		 * the CPU's power state is maintained by flow controller.
+		 */
+		ret = tegra_pmc_cpu_power_on(cpu);
+	}
+
+	return ret;
 }
 
 static int __cpuinit tegra_boot_secondary(unsigned int cpu,
@@ -173,5 +196,6 @@ struct smp_operations tegra_smp_ops __initdata = {
 #ifdef CONFIG_HOTPLUG_CPU
 	.cpu_kill		= tegra_cpu_kill,
 	.cpu_die		= tegra_cpu_die,
+	.cpu_disable		= tegra_cpu_disable,
 #endif
 };
diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S
index e6de88a2ea06..d2042ac736eb 100644
--- a/arch/arm/mach-tegra/reset-handler.S
+++ b/arch/arm/mach-tegra/reset-handler.S
@@ -22,11 +22,11 @@
 #include <asm/hardware/cache-l2x0.h>
 
 #include "flowctrl.h"
+#include "fuse.h"
 #include "iomap.h"
 #include "reset.h"
 #include "sleep.h"
 
-#define APB_MISC_GP_HIDREV	0x804
 #define PMC_SCRATCH41	0x140
 
 #define RESET_DATA(x)	((TEGRA_RESET_##x)*4)
@@ -38,34 +38,42 @@
  *	  CPU boot vector when restarting the a CPU following
  *	  an LP2 transition. Also branched to by LP0 and LP1 resume after
  *	  re-enabling sdram.
+ *
+ *	r6: SoC ID
  */
 ENTRY(tegra_resume)
 	bl	v7_invalidate_l1
 
 	cpu_id	r0
+	tegra_get_soc_id TEGRA_APB_MISC_BASE, r6
+	cmp	r6, #TEGRA114
+	beq	no_cpu0_chk
+
 	cmp	r0, #0				@ CPU0?
  THUMB(	it	ne )
 	bne	cpu_resume			@ no
+no_cpu0_chk:
 
-#ifdef CONFIG_ARCH_TEGRA_3x_SOC
+#ifndef CONFIG_ARCH_TEGRA_2x_SOC
 	/* Are we on Tegra20? */
-	mov32	r6, TEGRA_APB_MISC_BASE
-	ldr	r0, [r6, #APB_MISC_GP_HIDREV]
-	and	r0, r0, #0xff00
-	cmp	r0, #(0x20 << 8)
+	cmp	r6, #TEGRA20
 	beq	1f				@ Yes
 	/* Clear the flow controller flags for this CPU. */
-	mov32	r2, TEGRA_FLOW_CTRL_BASE + FLOW_CTRL_CPU0_CSR	@ CPU0 CSR
-	ldr	r1, [r2]
+	cpu_to_csr_req r1, r0
+	mov32	r2, TEGRA_FLOW_CTRL_BASE
+	ldr	r1, [r2, r1]
 	/* Clear event & intr flag */
 	orr	r1, r1, \
 		#FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
-	movw	r0, #0x0FFD	@ enable, cluster_switch, immed, & bitmaps
+	movw	r0, #0x3FFD	@ enable, cluster_switch, immed, bitmaps
+				@ & ext flags for CPU power mgnt
 	bic	r1, r1, r0
 	str	r1, [r2]
 1:
 #endif
 
+	check_cpu_part_num 0xc09, r8, r9
+	bne	not_ca9
 #ifdef CONFIG_HAVE_ARM_SCU
 	/* enable SCU */
 	mov32	r0, TEGRA_ARM_PERIF_BASE
@@ -76,6 +84,7 @@ ENTRY(tegra_resume)
 
 	/* L2 cache resume & re-enable */
 	l2_cache_resume r0, r1, r2, l2x0_saved_regs_addr
+not_ca9:
 
 	b	cpu_resume
 ENDPROC(tegra_resume)
@@ -98,7 +107,7 @@ ENTRY(__tegra_cpu_reset_handler_start)
  * Register usage within the reset handler:
  *
  *      Others: scratch
- *      R6  = SoC ID << 8
+ *      R6  = SoC ID
  *      R7  = CPU present (to the OS) mask
  *      R8  = CPU in LP1 state mask
  *      R9  = CPU in LP2 state mask
@@ -115,12 +124,10 @@ ENTRY(__tegra_cpu_reset_handler)
 
 	cpsid	aif, 0x13			@ SVC mode, interrupts disabled
 
-	mov32	r6, TEGRA_APB_MISC_BASE
-	ldr	r6, [r6, #APB_MISC_GP_HIDREV]
-	and	r6, r6, #0xff00
+	tegra_get_soc_id TEGRA_APB_MISC_BASE, r6
 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
 t20_check:
-	cmp	r6, #(0x20 << 8)
+	cmp	r6, #TEGRA20
 	bne	after_t20_check
 t20_errata:
 	# Tegra20 is a Cortex-A9 r1p1
@@ -136,7 +143,7 @@ after_t20_check:
 #endif
 #ifdef CONFIG_ARCH_TEGRA_3x_SOC
 t30_check:
-	cmp	r6, #(0x30 << 8)
+	cmp	r6, #TEGRA30
 	bne	after_t30_check
 t30_errata:
 	# Tegra30 is a Cortex-A9 r2p9
@@ -163,7 +170,7 @@ after_errata:
 
 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
 	/* Are we on Tegra20? */
-	cmp	r6, #(0x20 << 8)
+	cmp	r6, #TEGRA20
 	bne	1f
 	/* If not CPU0, don't let CPU0 reset CPU1 now that CPU1 is coming up. */
 	mov32	r5, TEGRA_PMC_BASE
@@ -186,11 +193,14 @@ __is_not_lp2:
 
 #ifdef CONFIG_SMP
 	/*
-	 * Can only be secondary boot (initial or hotplug) but CPU 0
-	 * cannot be here.
+	 * Can only be secondary boot (initial or hotplug)
+	 * CPU0 can't be here for Tegra20/30
 	 */
+	cmp	r6, #TEGRA114
+	beq	__no_cpu0_chk
 	cmp	r10, #0
 	bleq	__die				@ CPU0 cannot be here
+__no_cpu0_chk:
 	ldr	lr, [r12, #RESET_DATA(STARTUP_SECONDARY)]
 	cmp	lr, #0
 	bleq	__die				@ no secondary startup handler
@@ -210,10 +220,7 @@ __die:
 	mov32	r7, TEGRA_CLK_RESET_BASE
 
 	/* Are we on Tegra20? */
-	mov32	r6, TEGRA_APB_MISC_BASE
-	ldr	r0, [r6, #APB_MISC_GP_HIDREV]
-	and	r0, r0, #0xff00
-	cmp	r0, #(0x20 << 8)
+	cmp	r6, #TEGRA20
 	bne	1f
 
 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S
index d29dfcce948d..ada8821b48be 100644
--- a/arch/arm/mach-tegra/sleep-tegra30.S
+++ b/arch/arm/mach-tegra/sleep-tegra30.S
@@ -19,6 +19,7 @@
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
 
+#include "fuse.h"
 #include "sleep.h"
 #include "flowctrl.h"
 
@@ -43,14 +44,19 @@ ENDPROC(tegra30_hotplug_shutdown)
  *
  * Puts the current CPU in wait-for-event mode on the flow controller
  * and powergates it -- flags (in R0) indicate the request type.
- * Must never be called for CPU 0.
  *
- * corrupts r0-r4, r12
+ * r10 = SoC ID
+ * corrupts r0-r4, r10-r12
  */
 ENTRY(tegra30_cpu_shutdown)
 	cpu_id	r3
+	tegra_get_soc_id TEGRA_APB_MISC_VIRT, r10
+	cmp	r10, #TEGRA30
+	bne	_no_cpu0_chk	@ It's not Tegra30
+
 	cmp	r3, #0
 	moveq	pc, lr		@ Must never be called for CPU 0
+_no_cpu0_chk:
 
 	ldr	r12, =TEGRA_FLOW_CTRL_VIRT
 	cpu_to_csr_reg r1, r3
@@ -65,7 +71,9 @@ ENTRY(tegra30_cpu_shutdown)
 	movw	r12, \
 		FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG | \
 		FLOW_CTRL_CSR_ENABLE
-	mov	r4, #(1 << 4)
+	cmp	r10, #TEGRA30
+	moveq	r4, #(1 << 4)			@ wfe bitmap
+	movne	r4, #(1 << 8)			@ wfi bitmap
  ARM(	orr	r12, r12, r4, lsl r3	)
  THUMB(	lsl	r4, r4, r3		)
  THUMB(	orr	r12, r12, r4		)
@@ -79,9 +87,20 @@ delay_1:
 	cpsid	a				@ disable imprecise aborts.
 	ldr	r3, [r1]			@ read CSR
 	str	r3, [r1]			@ clear CSR
+
 	tst	r0, #TEGRA30_POWER_HOTPLUG_SHUTDOWN
+	beq	flow_ctrl_setting_for_lp2
+
+	/* flow controller set up for hotplug */
+	mov	r3, #FLOW_CTRL_WAITEVENT		@ For hotplug
+	b	flow_ctrl_done
+flow_ctrl_setting_for_lp2:
+	/* flow controller set up for LP2 */
+	cmp	r10, #TEGRA30
 	moveq   r3, #FLOW_CTRL_WAIT_FOR_INTERRUPT	@ For LP2
-	movne	r3, #FLOW_CTRL_WAITEVENT		@ For hotplug
+	movne	r3, #FLOW_CTRL_WAITEVENT
+flow_ctrl_done:
+	cmp	r10, #TEGRA30
 	str	r3, [r2]
 	ldr	r0, [r2]
 	b	wfe_war
@@ -89,7 +108,8 @@ delay_1:
 __cpu_reset_again:
 	dsb
 	.align 5
-	wfe					@ CPU should be power gated here
+	wfeeq					@ CPU should be power gated here
+	wfine
 wfe_war:
 	b	__cpu_reset_again
 
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S
index 364d84523fba..9daaef26b0f6 100644
--- a/arch/arm/mach-tegra/sleep.S
+++ b/arch/arm/mach-tegra/sleep.S
@@ -106,9 +106,11 @@ ENTRY(tegra_shut_off_mmu)
 	isb
 #ifdef CONFIG_CACHE_L2X0
 	/* Disable L2 cache */
-	mov32	r4, TEGRA_ARM_PERIF_BASE + 0x3000
-	mov	r5, #0
-	str	r5, [r4, #L2X0_CTRL]
+	check_cpu_part_num 0xc09, r9, r10
+	movweq	r4, #:lower16:(TEGRA_ARM_PERIF_BASE + 0x3000)
+	movteq	r4, #:upper16:(TEGRA_ARM_PERIF_BASE + 0x3000)
+	moveq	r5, #0
+	streq	r5, [r4, #L2X0_CTRL]
 #endif
 	mov	pc, r0
 ENDPROC(tegra_shut_off_mmu)
diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h
index 2080fb12ce26..98b7da698f2b 100644
--- a/arch/arm/mach-tegra/sleep.h
+++ b/arch/arm/mach-tegra/sleep.h
@@ -25,6 +25,8 @@
 					+ IO_PPSB_VIRT)
 #define TEGRA_CLK_RESET_VIRT (TEGRA_CLK_RESET_BASE - IO_PPSB_PHYS \
 					+ IO_PPSB_VIRT)
+#define TEGRA_APB_MISC_VIRT (TEGRA_APB_MISC_BASE - IO_APB_PHYS \
+					+ IO_APB_VIRT)
 #define TEGRA_PMC_VIRT	(TEGRA_PMC_BASE - IO_APB_PHYS + IO_APB_VIRT)
 
 /* PMC_SCRATCH37-39 and 41 are used for tegra_pen_lock and idle */
@@ -70,19 +72,40 @@
 	movt	\reg, #:upper16:\val
 .endm
 
+/* Marco to check CPU part num */
+.macro check_cpu_part_num part_num, tmp1, tmp2
+	mrc	p15, 0, \tmp1, c0, c0, 0
+	ubfx	\tmp1, \tmp1, #4, #12
+	mov32	\tmp2, \part_num
+	cmp	\tmp1, \tmp2
+.endm
+
 /* Macro to exit SMP coherency. */
 .macro exit_smp, tmp1, tmp2
 	mrc	p15, 0, \tmp1, c1, c0, 1	@ ACTLR
 	bic	\tmp1, \tmp1, #(1<<6) | (1<<0)	@ clear ACTLR.SMP | ACTLR.FW
 	mcr	p15, 0, \tmp1, c1, c0, 1	@ ACTLR
 	isb
-	cpu_id	\tmp1
-	mov	\tmp1, \tmp1, lsl #2
-	mov	\tmp2, #0xf
-	mov	\tmp2, \tmp2, lsl \tmp1
-	mov32	\tmp1, TEGRA_ARM_PERIF_VIRT + 0xC
-	str	\tmp2, [\tmp1]			@ invalidate SCU tags for CPU
+#ifdef CONFIG_HAVE_ARM_SCU
+	check_cpu_part_num 0xc09, \tmp1, \tmp2
+	mrceq	p15, 0, \tmp1, c0, c0, 5
+	andeq	\tmp1, \tmp1, #0xF
+	moveq	\tmp1, \tmp1, lsl #2
+	moveq	\tmp2, #0xf
+	moveq	\tmp2, \tmp2, lsl \tmp1
+	ldreq	\tmp1, =(TEGRA_ARM_PERIF_VIRT + 0xC)
+	streq	\tmp2, [\tmp1]			@ invalidate SCU tags for CPU
 	dsb
+#endif
+.endm
+
+/* Macro to check Tegra revision */
+#define APB_MISC_GP_HIDREV	0x804
+.macro tegra_get_soc_id base, tmp1
+	mov32	\tmp1, \base
+	ldr	\tmp1, [\tmp1, #APB_MISC_GP_HIDREV]
+	and	\tmp1, \tmp1, #0xff00
+	mov	\tmp1, \tmp1, lsr #8
 .endm
 
 /* Macro to resume & re-enable L2 cache */
diff --git a/arch/arm/mach-tegra/tegra2_emc.c b/arch/arm/mach-tegra/tegra2_emc.c
index 31e69a019bdd..3ae4a7f1a2fb 100644
--- a/arch/arm/mach-tegra/tegra2_emc.c
+++ b/arch/arm/mach-tegra/tegra2_emc.c
@@ -183,7 +183,7 @@ static struct device_node *tegra_emc_ramcode_devnode(struct device_node *np)
 	u32 reg;
 
 	for_each_child_of_node(np, iter) {
-		if (of_property_read_u32(np, "nvidia,ram-code", &reg))
+		if (of_property_read_u32(iter, "nvidia,ram-code", &reg))
 			continue;
 		if (reg == tegra_bct_strapping)
 			return of_node_get(iter);