Initial import

9 files changed, 1399 insertions, 0 deletions

diff --git a/arch/arc/boot/dts/Makefile b/arch/arc/boot/dts/Makefile
new file mode 100644
index 000000000..faf240e29
--- /dev/null
+++ b/arch/arc/boot/dts/Makefile
@@ -0,0 +1,15 @@
+# Built-in dtb
+builtindtb-y		:= angel4
+
+ifneq ($(CONFIG_ARC_BUILTIN_DTB_NAME),"")
+	builtindtb-y	:= $(patsubst "%",%,$(CONFIG_ARC_BUILTIN_DTB_NAME))
+endif
+
+obj-y   += $(builtindtb-y).dtb.o
+targets += $(builtindtb-y).dtb
+
+.SECONDARY: $(obj)/$(builtindtb-y).dtb.S
+
+dtbs:  $(addprefix  $(obj)/, $(builtindtb-y).dtb)
+
+clean-files := *.dtb  *.dtb.S
diff --git a/arch/arc/boot/dts/abilis_tb100.dtsi b/arch/arc/boot/dts/abilis_tb100.dtsi
new file mode 100644
index 000000000..3942634f8
--- /dev/null
+++ b/arch/arc/boot/dts/abilis_tb100.dtsi
@@ -0,0 +1,350 @@
+/*
+ * Abilis Systems TB100 SOC device tree
+ *
+ * Copyright (C) Abilis Systems 2013
+ *
+ * Author: Christian Ruppert <christian.ruppert@abilis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+/include/ "abilis_tb10x.dtsi"
+
+
+/ {
+	clock-frequency		= <500000000>;	/* 500 MHZ */
+
+	soc100 {
+		bus-frequency	= <166666666>;
+
+		pll0: oscillator {
+			clock-frequency  = <1000000000>;
+		};
+		cpu_clk: clkdiv_cpu {
+			clock-mult = <1>;
+			clock-div = <2>;
+		};
+		ahb_clk: clkdiv_ahb {
+			clock-mult = <1>;
+			clock-div = <6>;
+		};
+
+		iomux: iomux@FF10601c {
+			/* Port 1 */
+			pctl_tsin_s0: pctl-tsin-s0 {   /* Serial TS-in 0 */
+				abilis,function = "mis0";
+			};
+			pctl_tsin_s1: pctl-tsin-s1 {   /* Serial TS-in 1 */
+				abilis,function = "mis1";
+			};
+			pctl_gpio_a: pctl-gpio-a {     /* GPIO bank A */
+				abilis,function = "gpioa";
+			};
+			pctl_tsin_p1: pctl-tsin-p1 {   /* Parallel TS-in 1 */
+				abilis,function = "mip1";
+			};
+			/* Port 2 */
+			pctl_tsin_s2: pctl-tsin-s2 {   /* Serial TS-in 2 */
+				abilis,function = "mis2";
+			};
+			pctl_tsin_s3: pctl-tsin-s3 {   /* Serial TS-in 3 */
+				abilis,function = "mis3";
+			};
+			pctl_gpio_c: pctl-gpio-c {     /* GPIO bank C */
+				abilis,function = "gpioc";
+			};
+			pctl_tsin_p3: pctl-tsin-p3 {   /* Parallel TS-in 3 */
+				abilis,function = "mip3";
+			};
+			/* Port 3 */
+			pctl_tsin_s4: pctl-tsin-s4 {   /* Serial TS-in 4 */
+				abilis,function = "mis4";
+			};
+			pctl_tsin_s5: pctl-tsin-s5 {   /* Serial TS-in 5 */
+				abilis,function = "mis5";
+			};
+			pctl_gpio_e: pctl-gpio-e {     /* GPIO bank E */
+				abilis,function = "gpioe";
+			};
+			pctl_tsin_p5: pctl-tsin-p5 {   /* Parallel TS-in 5 */
+				abilis,function = "mip5";
+			};
+			/* Port 4 */
+			pctl_tsin_s6: pctl-tsin-s6 {   /* Serial TS-in 6 */
+				abilis,function = "mis6";
+			};
+			pctl_tsin_s7: pctl-tsin-s7 {   /* Serial TS-in 7 */
+				abilis,function = "mis7";
+			};
+			pctl_gpio_g: pctl-gpio-g {     /* GPIO bank G */
+				abilis,function = "gpiog";
+			};
+			pctl_tsin_p7: pctl-tsin-p7 {   /* Parallel TS-in 7 */
+				abilis,function = "mip7";
+			};
+			/* Port 5 */
+			pctl_gpio_j: pctl-gpio-j {     /* GPIO bank J */
+				abilis,function = "gpioj";
+			};
+			pctl_gpio_k: pctl-gpio-k {     /* GPIO bank K */
+				abilis,function = "gpiok";
+			};
+			pctl_ciplus: pctl-ciplus {     /* CI+ interface */
+				abilis,function = "ciplus";
+			};
+			pctl_mcard: pctl-mcard {       /* M-Card interface */
+				abilis,function = "mcard";
+			};
+			/* Port 6 */
+			pctl_tsout_p: pctl-tsout-p {   /* Parallel TS-out */
+				abilis,function = "mop";
+			};
+			pctl_tsout_s0: pctl-tsout-s0 { /* Serial TS-out 0 */
+				abilis,function = "mos0";
+			};
+			pctl_tsout_s1: pctl-tsout-s1 { /* Serial TS-out 1 */
+				abilis,function = "mos1";
+			};
+			pctl_tsout_s2: pctl-tsout-s2 { /* Serial TS-out 2 */
+				abilis,function = "mos2";
+			};
+			pctl_tsout_s3: pctl-tsout-s3 { /* Serial TS-out 3 */
+				abilis,function = "mos3";
+			};
+			/* Port 7 */
+			pctl_uart0: pctl-uart0 {       /* UART 0 */
+				abilis,function = "uart0";
+			};
+			pctl_uart1: pctl-uart1 {       /* UART 1 */
+				abilis,function = "uart1";
+			};
+			pctl_gpio_l: pctl-gpio-l {     /* GPIO bank L */
+				abilis,function = "gpiol";
+			};
+			pctl_gpio_m: pctl-gpio-m {     /* GPIO bank M */
+				abilis,function = "gpiom";
+			};
+			/* Port 8 */
+			pctl_spi3: pctl-spi3 {
+				abilis,function = "spi3";
+			};
+			/* Port 9 */
+			pctl_spi1: pctl-spi1 {
+				abilis,function = "spi1";
+			};
+			pctl_gpio_n: pctl-gpio-n {
+				abilis,function = "gpion";
+			};
+			/* Unmuxed GPIOs */
+			pctl_gpio_b: pctl-gpio-b {
+				abilis,function = "gpiob";
+			};
+			pctl_gpio_d: pctl-gpio-d {
+				abilis,function = "gpiod";
+			};
+			pctl_gpio_f: pctl-gpio-f {
+				abilis,function = "gpiof";
+			};
+			pctl_gpio_h: pctl-gpio-h {
+				abilis,function = "gpioh";
+			};
+			pctl_gpio_i: pctl-gpio-i {
+				abilis,function = "gpioi";
+			};
+		};
+
+		gpioa: gpio@FF140000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF140000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioa";
+		};
+		gpiob: gpio@FF141000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF141000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiob";
+		};
+		gpioc: gpio@FF142000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF142000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioc";
+		};
+		gpiod: gpio@FF143000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF143000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiod";
+		};
+		gpioe: gpio@FF144000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF144000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioe";
+		};
+		gpiof: gpio@FF145000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF145000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiof";
+		};
+		gpiog: gpio@FF146000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF146000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiog";
+		};
+		gpioh: gpio@FF147000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF147000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioh";
+		};
+		gpioi: gpio@FF148000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF148000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <12>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioi";
+		};
+		gpioj: gpio@FF149000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF149000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <32>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioj";
+		};
+		gpiok: gpio@FF14a000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14A000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <22>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiok";
+		};
+		gpiol: gpio@FF14b000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14B000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <4>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiol";
+		};
+		gpiom: gpio@FF14c000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14C000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <4>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiom";
+		};
+		gpion: gpio@FF14d000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14D000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <5>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpion";
+		};
+	};
+};
diff --git a/arch/arc/boot/dts/abilis_tb100_dvk.dts b/arch/arc/boot/dts/abilis_tb100_dvk.dts
new file mode 100644
index 000000000..3dd6ed941
--- /dev/null
+++ b/arch/arc/boot/dts/abilis_tb100_dvk.dts
@@ -0,0 +1,127 @@
+/*
+ * Abilis Systems TB100 Development Kit PCB device tree
+ *
+ * Copyright (C) Abilis Systems 2013
+ *
+ * Author: Christian Ruppert <christian.ruppert@abilis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+/dts-v1/;
+
+/include/ "abilis_tb100.dtsi"
+
+/ {
+	chosen {
+		bootargs = "earlycon=uart8250,mmio32,0xff100000,9600n8 console=ttyS0,9600n8";
+	};
+
+	aliases { };
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x08000000>;	/* 128M */
+	};
+
+	soc100 {
+		uart@FF100000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&pctl_uart0>;
+		};
+		ethernet@FE100000 {
+			phy-mode = "rgmii";
+		};
+
+		i2c0: i2c@FF120000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c1: i2c@FF121000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c2: i2c@FF122000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c3: i2c@FF123000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c4: i2c@FF124000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+
+		leds {
+			compatible = "gpio-leds";
+			power {
+				label = "Power";
+				gpios = <&gpioi 0 0>;
+				linux,default-trigger = "default-on";
+			};
+			heartbeat {
+				label = "Heartbeat";
+				gpios = <&gpioi 1 0>;
+				linux,default-trigger = "heartbeat";
+			};
+			led2 {
+				label = "LED2";
+				gpios = <&gpioi 2 0>;
+				default-state = "off";
+			};
+			led3 {
+				label = "LED3";
+				gpios = <&gpioi 3 0>;
+				default-state = "off";
+			};
+			led4 {
+				label = "LED4";
+				gpios = <&gpioi 4 0>;
+				default-state = "off";
+			};
+			led5 {
+				label = "LED5";
+				gpios = <&gpioi 5 0>;
+				default-state = "off";
+			};
+			led6 {
+				label = "LED6";
+				gpios = <&gpioi 6 0>;
+				default-state = "off";
+			};
+			led7 {
+				label = "LED7";
+				gpios = <&gpioi 7 0>;
+				default-state = "off";
+			};
+			led8 {
+				label = "LED8";
+				gpios = <&gpioi 8 0>;
+				default-state = "off";
+			};
+			led9 {
+				label = "LED9";
+				gpios = <&gpioi 9 0>;
+				default-state = "off";
+			};
+			led10 {
+				label = "LED10";
+				gpios = <&gpioi 10 0>;
+				default-state = "off";
+			};
+			led11 {
+				label = "LED11";
+				gpios = <&gpioi 11 0>;
+				default-state = "off";
+			};
+		};
+	};
+};
diff --git a/arch/arc/boot/dts/abilis_tb101.dtsi b/arch/arc/boot/dts/abilis_tb101.dtsi
new file mode 100644
index 000000000..b0467229a
--- /dev/null
+++ b/arch/arc/boot/dts/abilis_tb101.dtsi
@@ -0,0 +1,359 @@
+/*
+ * Abilis Systems TB101 SOC device tree
+ *
+ * Copyright (C) Abilis Systems 2013
+ *
+ * Author: Christian Ruppert <christian.ruppert@abilis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+/include/ "abilis_tb10x.dtsi"
+
+
+/ {
+	clock-frequency		= <500000000>;	/* 500 MHZ */
+
+	soc100 {
+		bus-frequency	= <166666666>;
+
+		pll0: oscillator {
+			clock-frequency  = <1000000000>;
+		};
+		cpu_clk: clkdiv_cpu {
+			clock-mult = <1>;
+			clock-div = <2>;
+		};
+		ahb_clk: clkdiv_ahb {
+			clock-mult = <1>;
+			clock-div = <6>;
+		};
+
+		iomux: iomux@FF10601c {
+			/* Port 1 */
+			pctl_tsin_s0: pctl-tsin-s0 {   /* Serial TS-in 0 */
+				abilis,function = "mis0";
+			};
+			pctl_tsin_s1: pctl-tsin-s1 {   /* Serial TS-in 1 */
+				abilis,function = "mis1";
+			};
+			pctl_gpio_a: pctl-gpio-a {     /* GPIO bank A */
+				abilis,function = "gpioa";
+			};
+			pctl_tsin_p1: pctl-tsin-p1 {   /* Parallel TS-in 1 */
+				abilis,function = "mip1";
+			};
+			/* Port 2 */
+			pctl_tsin_s2: pctl-tsin-s2 {   /* Serial TS-in 2 */
+				abilis,function = "mis2";
+			};
+			pctl_tsin_s3: pctl-tsin-s3 {   /* Serial TS-in 3 */
+				abilis,function = "mis3";
+			};
+			pctl_gpio_c: pctl-gpio-c {     /* GPIO bank C */
+				abilis,function = "gpioc";
+			};
+			pctl_tsin_p3: pctl-tsin-p3 {   /* Parallel TS-in 3 */
+				abilis,function = "mip3";
+			};
+			/* Port 3 */
+			pctl_tsin_s4: pctl-tsin-s4 {   /* Serial TS-in 4 */
+				abilis,function = "mis4";
+			};
+			pctl_tsin_s5: pctl-tsin-s5 {   /* Serial TS-in 5 */
+				abilis,function = "mis5";
+			};
+			pctl_gpio_e: pctl-gpio-e {     /* GPIO bank E */
+				abilis,function = "gpioe";
+			};
+			pctl_tsin_p5: pctl-tsin-p5 {   /* Parallel TS-in 5 */
+				abilis,function = "mip5";
+			};
+			/* Port 4 */
+			pctl_tsin_s6: pctl-tsin-s6 {   /* Serial TS-in 6 */
+				abilis,function = "mis6";
+			};
+			pctl_tsin_s7: pctl-tsin-s7 {   /* Serial TS-in 7 */
+				abilis,function = "mis7";
+			};
+			pctl_gpio_g: pctl-gpio-g {     /* GPIO bank G */
+				abilis,function = "gpiog";
+			};
+			pctl_tsin_p7: pctl-tsin-p7 {   /* Parallel TS-in 7 */
+				abilis,function = "mip7";
+			};
+			/* Port 5 */
+			pctl_gpio_j: pctl-gpio-j {     /* GPIO bank J */
+				abilis,function = "gpioj";
+			};
+			pctl_gpio_k: pctl-gpio-k {     /* GPIO bank K */
+				abilis,function = "gpiok";
+			};
+			pctl_ciplus: pctl-ciplus {     /* CI+ interface */
+				abilis,function = "ciplus";
+			};
+			pctl_mcard: pctl-mcard {       /* M-Card interface */
+				abilis,function = "mcard";
+			};
+			pctl_stc0: pctl-stc0 {         /* Smart card I/F 0 */
+				abilis,function = "stc0";
+			};
+			pctl_stc1: pctl-stc1 {         /* Smart card I/F 1 */
+				abilis,function = "stc1";
+			};
+			/* Port 6 */
+			pctl_tsout_p: pctl-tsout-p {   /* Parallel TS-out */
+				abilis,function = "mop";
+			};
+			pctl_tsout_s0: pctl-tsout-s0 { /* Serial TS-out 0 */
+				abilis,function = "mos0";
+			};
+			pctl_tsout_s1: pctl-tsout-s1 { /* Serial TS-out 1 */
+				abilis,function = "mos1";
+			};
+			pctl_tsout_s2: pctl-tsout-s2 { /* Serial TS-out 2 */
+				abilis,function = "mos2";
+			};
+			pctl_tsout_s3: pctl-tsout-s3 { /* Serial TS-out 3 */
+				abilis,function = "mos3";
+			};
+			/* Port 7 */
+			pctl_uart0: pctl-uart0 {       /* UART 0 */
+				abilis,function = "uart0";
+			};
+			pctl_uart1: pctl-uart1 {       /* UART 1 */
+				abilis,function = "uart1";
+			};
+			pctl_gpio_l: pctl-gpio-l {     /* GPIO bank L */
+				abilis,function = "gpiol";
+			};
+			pctl_gpio_m: pctl-gpio-m {     /* GPIO bank M */
+				abilis,function = "gpiom";
+			};
+			/* Port 8 */
+			pctl_spi3: pctl-spi3 {
+				abilis,function = "spi3";
+			};
+			pctl_jtag: pctl-jtag {
+				abilis,function = "jtag";
+			};
+			/* Port 9 */
+			pctl_spi1: pctl-spi1 {
+				abilis,function = "spi1";
+			};
+			pctl_gpio_n: pctl-gpio-n {
+				abilis,function = "gpion";
+			};
+			/* Unmuxed GPIOs */
+			pctl_gpio_b: pctl-gpio-b {
+				abilis,function = "gpiob";
+			};
+			pctl_gpio_d: pctl-gpio-d {
+				abilis,function = "gpiod";
+			};
+			pctl_gpio_f: pctl-gpio-f {
+				abilis,function = "gpiof";
+			};
+			pctl_gpio_h: pctl-gpio-h {
+				abilis,function = "gpioh";
+			};
+			pctl_gpio_i: pctl-gpio-i {
+				abilis,function = "gpioi";
+			};
+		};
+
+		gpioa: gpio@FF140000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF140000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioa";
+		};
+		gpiob: gpio@FF141000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF141000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiob";
+		};
+		gpioc: gpio@FF142000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF142000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioc";
+		};
+		gpiod: gpio@FF143000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF143000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiod";
+		};
+		gpioe: gpio@FF144000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF144000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioe";
+		};
+		gpiof: gpio@FF145000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF145000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiof";
+		};
+		gpiog: gpio@FF146000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF146000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <3>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiog";
+		};
+		gpioh: gpio@FF147000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF147000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <2>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioh";
+		};
+		gpioi: gpio@FF148000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF148000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <12>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioi";
+		};
+		gpioj: gpio@FF149000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF149000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <32>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpioj";
+		};
+		gpiok: gpio@FF14a000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14A000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <22>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiok";
+		};
+		gpiol: gpio@FF14b000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14B000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <4>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiol";
+		};
+		gpiom: gpio@FF14c000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14C000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <4>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpiom";
+		};
+		gpion: gpio@FF14d000 {
+			compatible = "abilis,tb10x-gpio";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <27 2>;
+			reg = <0xFF14D000 0x1000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			abilis,ngpio = <5>;
+			gpio-ranges = <&iomux 0 0 0>;
+			gpio-ranges-group-names = "gpion";
+		};
+	};
+};
diff --git a/arch/arc/boot/dts/abilis_tb101_dvk.dts b/arch/arc/boot/dts/abilis_tb101_dvk.dts
new file mode 100644
index 000000000..1cf51c280
--- /dev/null
+++ b/arch/arc/boot/dts/abilis_tb101_dvk.dts
@@ -0,0 +1,127 @@
+/*
+ * Abilis Systems TB101 Development Kit PCB device tree
+ *
+ * Copyright (C) Abilis Systems 2013
+ *
+ * Author: Christian Ruppert <christian.ruppert@abilis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+/dts-v1/;
+
+/include/ "abilis_tb101.dtsi"
+
+/ {
+	chosen {
+		bootargs = "earlycon=uart8250,mmio32,0xff100000,9600n8 console=ttyS0,9600n8";
+	};
+
+	aliases { };
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x08000000>;	/* 128M */
+	};
+
+	soc100 {
+		uart@FF100000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&pctl_uart0>;
+		};
+		ethernet@FE100000 {
+			phy-mode = "rgmii";
+		};
+
+		i2c0: i2c@FF120000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c1: i2c@FF121000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c2: i2c@FF122000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c3: i2c@FF123000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+		i2c4: i2c@FF124000 {
+			i2c-sda-hold-time-ns = <432>;
+		};
+
+		leds {
+			compatible = "gpio-leds";
+			power {
+				label = "Power";
+				gpios = <&gpioi 0 0>;
+				linux,default-trigger = "default-on";
+			};
+			heartbeat {
+				label = "Heartbeat";
+				gpios = <&gpioi 1 0>;
+				linux,default-trigger = "heartbeat";
+			};
+			led2 {
+				label = "LED2";
+				gpios = <&gpioi 2 0>;
+				default-state = "off";
+			};
+			led3 {
+				label = "LED3";
+				gpios = <&gpioi 3 0>;
+				default-state = "off";
+			};
+			led4 {
+				label = "LED4";
+				gpios = <&gpioi 4 0>;
+				default-state = "off";
+			};
+			led5 {
+				label = "LED5";
+				gpios = <&gpioi 5 0>;
+				default-state = "off";
+			};
+			led6 {
+				label = "LED6";
+				gpios = <&gpioi 6 0>;
+				default-state = "off";
+			};
+			led7 {
+				label = "LED7";
+				gpios = <&gpioi 7 0>;
+				default-state = "off";
+			};
+			led8 {
+				label = "LED8";
+				gpios = <&gpioi 8 0>;
+				default-state = "off";
+			};
+			led9 {
+				label = "LED9";
+				gpios = <&gpioi 9 0>;
+				default-state = "off";
+			};
+			led10 {
+				label = "LED10";
+				gpios = <&gpioi 10 0>;
+				default-state = "off";
+			};
+			led11 {
+				label = "LED11";
+				gpios = <&gpioi 11 0>;
+				default-state = "off";
+			};
+		};
+	};
+};
diff --git a/arch/arc/boot/dts/abilis_tb10x.dtsi b/arch/arc/boot/dts/abilis_tb10x.dtsi
new file mode 100644
index 000000000..cfb505223
--- /dev/null
+++ b/arch/arc/boot/dts/abilis_tb10x.dtsi
@@ -0,0 +1,240 @@
+/*
+ * Abilis Systems TB10X SOC device tree
+ *
+ * Copyright (C) Abilis Systems 2013
+ *
+ * Author: Christian Ruppert <christian.ruppert@abilis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+
+/ {
+	compatible		= "abilis,arc-tb10x";
+	#address-cells		= <1>;
+	#size-cells		= <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "snps,arc770d";
+			reg = <0>;
+		};
+	};
+
+	soc100 {
+		#address-cells	= <1>;
+		#size-cells	= <1>;
+		device_type	= "soc";
+		ranges		= <0xfe000000 0xfe000000 0x02000000
+				0x000F0000 0x000F0000 0x00010000>;
+		compatible	= "abilis,tb10x", "simple-bus";
+
+		pll0: oscillator {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-output-names = "pll0";
+		};
+		cpu_clk: clkdiv_cpu {
+			compatible = "fixed-factor-clock";
+			#clock-cells = <0>;
+			clocks = <&pll0>;
+			clock-output-names = "cpu_clk";
+		};
+		ahb_clk: clkdiv_ahb {
+			compatible = "fixed-factor-clock";
+			#clock-cells = <0>;
+			clocks = <&pll0>;
+			clock-output-names = "ahb_clk";
+		};
+
+		iomux: iomux@FF10601c {
+			compatible = "abilis,tb10x-iomux";
+			#gpio-range-cells = <3>;
+			reg = <0xFF10601c 0x4>;
+		};
+
+		intc: interrupt-controller {
+			compatible = "snps,arc700-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+		tb10x_ictl: pic@fe002000 {
+			compatible = "abilis,tb10x-ictl";
+			reg = <0xFE002000 0x20>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			interrupt-parent = <&intc>;
+			interrupts = <5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
+					20 21 22 23 24 25 26 27 28 29 30 31>;
+		};
+
+		uart@FF100000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0xFF100000 0x100>;
+			clock-frequency = <166666666>;
+			interrupts = <25 8>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			interrupt-parent = <&tb10x_ictl>;
+		};
+		ethernet@FE100000 {
+			compatible = "snps,dwmac-3.70a","snps,dwmac";
+			reg = <0xFE100000 0x1058>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <6 8>;
+			interrupt-names = "macirq";
+			clocks = <&ahb_clk>;
+			clock-names = "stmmaceth";
+		};
+		dma@FE000000 {
+			compatible = "snps,dma-spear1340";
+			reg = <0xFE000000 0x400>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <14 8>;
+			dma-channels = <6>;
+			dma-requests = <0>;
+			dma-masters = <1>;
+			#dma-cells = <3>;
+			chan_allocation_order = <0>;
+			chan_priority = <1>;
+			block_size = <0x7ff>;
+			data_width = <2>;
+			clocks = <&ahb_clk>;
+			clock-names = "hclk";
+		};
+
+		i2c0: i2c@FF120000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "snps,designware-i2c";
+			reg = <0xFF120000 0x1000>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <12 8>;
+			clocks = <&ahb_clk>;
+		};
+		i2c1: i2c@FF121000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "snps,designware-i2c";
+			reg = <0xFF121000 0x1000>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <12 8>;
+			clocks = <&ahb_clk>;
+		};
+		i2c2: i2c@FF122000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "snps,designware-i2c";
+			reg = <0xFF122000 0x1000>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <12 8>;
+			clocks = <&ahb_clk>;
+		};
+		i2c3: i2c@FF123000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "snps,designware-i2c";
+			reg = <0xFF123000 0x1000>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <12 8>;
+			clocks = <&ahb_clk>;
+		};
+		i2c4: i2c@FF124000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "snps,designware-i2c";
+			reg = <0xFF124000 0x1000>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <12 8>;
+			clocks = <&ahb_clk>;
+		};
+
+		spi0: spi@0xFE010000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			cell-index = <0>;
+			compatible = "abilis,tb100-spi";
+			num-cs = <1>;
+			reg = <0xFE010000 0x20>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <26 8>;
+			clocks = <&ahb_clk>;
+		};
+		spi1: spi@0xFE011000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			cell-index = <1>;
+			compatible = "abilis,tb100-spi";
+			num-cs = <2>;
+			reg = <0xFE011000 0x20>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <10 8>;
+			clocks = <&ahb_clk>;
+		};
+
+		tb10x_tsm: tb10x-tsm@ff316000 {
+			compatible = "abilis,tb100-tsm";
+			reg = <0xff316000 0x400>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <17 8>;
+			output-clkdiv = <4>;
+			global-packet-delay = <0x21>;
+			port-packet-delay = <0>;
+		};
+		tb10x_stream_proc: tb10x-stream-proc {
+			compatible = "abilis,tb100-streamproc";
+			reg =   <0xfff00000 0x200>,
+				<0x000f0000 0x10000>,
+				<0xfff00200 0x105>,
+				<0xff10600c 0x1>,
+				<0xfe001018 0x1>;
+			reg-names =     "mbox",
+					"sp_iccm",
+					"mbox_irq",
+					"cpuctrl",
+					"a6it_int_force";
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <20 2>, <19 2>;
+			interrupt-names = "cmd_irq", "event_irq";
+		};
+		tb10x_mdsc0: tb10x-mdscr@FF300000 {
+			compatible = "abilis,tb100-mdscr";
+			reg = <0xFF300000 0x7000>;
+			tb100-mdscr-manage-tsin;
+		};
+		tb10x_mscr0: tb10x-mdscr@FF307000 {
+			compatible = "abilis,tb100-mdscr";
+			reg = <0xFF307000 0x7000>;
+		};
+		tb10x_scr0: tb10x-mdscr@ff30e000 {
+			compatible = "abilis,tb100-mdscr";
+			reg = <0xFF30e000 0x4000>;
+			tb100-mdscr-manage-tsin;
+		};
+		tb10x_scr1: tb10x-mdscr@ff312000 {
+			compatible = "abilis,tb100-mdscr";
+			reg = <0xFF312000 0x4000>;
+			tb100-mdscr-manage-tsin;
+		};
+		tb10x_wfb: tb10x-wfb@ff319000 {
+			compatible = "abilis,tb100-wfb";
+			reg = <0xff319000 0x1000>;
+			interrupt-parent = <&tb10x_ictl>;
+			interrupts = <16 8>;
+		};
+	};
+};
diff --git a/arch/arc/boot/dts/angel4.dts b/arch/arc/boot/dts/angel4.dts
new file mode 100644
index 000000000..3b076fbd8
--- /dev/null
+++ b/arch/arc/boot/dts/angel4.dts
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "snps,arc-angel4";
+	clock-frequency = <80000000>;	/* 80 MHZ */
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&intc>;
+
+	chosen {
+		bootargs = "earlycon=arc_uart,mmio32,0xc0fc1000,115200n8 console=ttyARC0,115200n8";
+	};
+
+	aliases {
+		serial0 = &arcuart0;
+	};
+
+	fpga {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* child and parent address space 1:1 mapped */
+		ranges;
+
+		intc: interrupt-controller {
+			compatible = "snps,arc700-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		arcuart0: serial@c0fc1000 {
+			compatible = "snps,arc-uart";
+			reg = <0xc0fc1000 0x100>;
+			interrupts = <5>;
+			clock-frequency = <80000000>;
+			current-speed = <115200>;
+			status = "okay";
+		};
+
+		ethernet@c0fc2000 {
+			compatible = "snps,arc-emac";
+			reg = <0xc0fc2000 0x3c>;
+			interrupts = <6>;
+			mac-address = [ 00 11 22 33 44 55 ];
+			clock-frequency = <80000000>;
+			max-speed = <100>;
+			phy = <&phy0>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+			phy0: ethernet-phy@0 {
+				reg = <1>;
+			};
+		};
+
+		arcpmu0: pmu {
+			compatible = "snps,arc700-pct";
+		};
+	};
+};
diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
new file mode 100644
index 000000000..1c169dc74
--- /dev/null
+++ b/arch/arc/boot/dts/nsimosci.dts
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "snps,nsimosci";
+	clock-frequency = <20000000>;	/* 20 MHZ */
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&intc>;
+
+	chosen {
+		/* this is for console on PGU */
+		/* bootargs = "console=tty0 consoleblank=0"; */
+		/* this is for console on serial */
+		bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug";
+	};
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	fpga {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* child and parent address space 1:1 mapped */
+		ranges;
+
+		intc: interrupt-controller {
+			compatible = "snps,arc700-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		uart0: serial@f0000000 {
+			compatible = "ns8250";
+			reg = <0xf0000000 0x2000>;
+			interrupts = <11>;
+			clock-frequency = <3686400>;
+			baud = <115200>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			no-loopback-test = <1>;
+		};
+
+		pgu0: pgu@f9000000 {
+			compatible = "snps,arcpgufb";
+			reg = <0xf9000000 0x400>;
+		};
+
+		ps2: ps2@f9001000 {
+			compatible = "snps,arc_ps2";
+			reg = <0xf9000400 0x14>;
+			interrupts = <13>;
+			interrupt-names = "arc_ps2_irq";
+		};
+
+		eth0: ethernet@f0003000 {
+			compatible = "snps,oscilan";
+			reg = <0xf0003000 0x44>;
+			interrupts = <7>, <8>;
+			interrupt-names = "rx", "tx";
+		};
+	};
+};
diff --git a/arch/arc/boot/dts/skeleton.dtsi b/arch/arc/boot/dts/skeleton.dtsi
new file mode 100644
index 000000000..a870bdd5e
--- /dev/null
+++ b/arch/arc/boot/dts/skeleton.dtsi
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Skeleton device tree; the bare minimum needed to boot; just include and
+ * add a compatible value.
+ */
+
+/ {
+	compatible = "snps,arc";
+	clock-frequency = <80000000>;	/* 80 MHZ */
+	#address-cells = <1>;
+	#size-cells = <1>;
+	chosen { };
+	aliases { };
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "snps,arc770d";
+			reg = <0>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x10000000>;	/* 256M */
+	};
+};