arc: use patched .dts from sources

Instead of using off-the-tree .dts files for ARC boards we're
switching to use in-tree ones. And for that to work properly
we apply upstream patch that adds currently missing "model"
property.

Upstream patch and discussion could be found here:
http://lists.infradead.org/pipermail/linux-snps-arc/2016-August/001394.html

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Jonas Gorski <jonas.gorski@gmail.com>
Cc: John Crispin <john@phrozen.org>

13 files changed, 194 insertions, 943 deletions

diff --git a/target/linux/arc770/dts/axc001.dtsi b/target/linux/arc770/dts/axc001.dtsi
deleted file mode 100644
index 420dcfde28..0000000000
--- a/target/linux/arc770/dts/axc001.dtsi
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2013-15 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.
- */
-
-/*
- * Device tree for AXC001 770D/EM6/AS221 CPU card
- * Note that this file only supports the 770D CPU
- */
-
-/ {
-	compatible = "snps,arc";
-	clock-frequency = <750000000>;	/* 750 MHZ */
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	cpu_card {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <1>;
-
-		ranges = <0x00000000 0xf0000000 0x10000000>;
-
-		cpu_intc: arc700-intc@cpu {
-			compatible = "snps,arc700-intc";
-			interrupt-controller;
-			#interrupt-cells = <1>;
-		};
-
-		/*
-		 * this GPIO block ORs all interrupts on CPU card (creg,..)
-		 * to uplink only 1 IRQ to ARC core intc
-		 */
-		dw-apb-gpio@0x2000 {
-			compatible = "snps,dw-apb-gpio";
-			reg = < 0x2000 0x80 >;
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			ictl_intc: gpio-controller@0 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <30>;
-				reg = <0>;
-				interrupt-controller;
-				#interrupt-cells = <2>;
-				interrupt-parent = <&cpu_intc>;
-				interrupts = <15>;
-			};
-		};
-
-		debug_uart: dw-apb-uart@0x5000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x5000 0x100>;
-			clock-frequency = <33333000>;
-			interrupt-parent = <&ictl_intc>;
-			interrupts = <19 4>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		arcpmu0: pmu {
-			compatible = "snps,arc700-pct";
-		};
-	};
-
-	/*
-	 * This INTC is actually connected to DW APB GPIO
-	 * which acts as a wire between MB INTC and CPU INTC.
-	 * GPIO INTC is configured in platform init code
-	 * and here we mimic direct connection from MB INTC to
-	 * CPU INTC, thus we set "interrupts = <7>" instead of
-	 * "interrupts = <12>"
-	 *
-	 * This intc actually resides on MB, but we move it here to
-	 * avoid duplicating the MB dtsi file given that IRQ from
-	 * this intc to cpu intc are different for axs101 and axs103
-	 */
-	mb_intc: dw-apb-ictl@0xe0012000 {
-		#interrupt-cells = <1>;
-		compatible = "snps,dw-apb-ictl";
-		reg = < 0xe0012000 0x200 >;
-		interrupt-controller;
-		interrupt-parent = <&cpu_intc>;
-		interrupts = < 7 >;
-	};
-
-	memory {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0x00000000 0x80000000 0x40000000>;
-		device_type = "memory";
-		reg = <0x80000000 0x20000000>;	/* 512MiB */
-	};
-};
diff --git a/target/linux/arc770/dts/axs101.dts b/target/linux/arc770/dts/axs101.dts
deleted file mode 100644
index 8718eb46cc..0000000000
--- a/target/linux/arc770/dts/axs101.dts
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
- *
- * ARC AXS101 S/W development platform
- *
- * 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/ "axc001.dtsi"
-/include/ "axs10x_mb.dtsi"
-
-/ {
-	model = "Synopsys AXS101 Development Board";
-	compatible = "snps,axs101", "snps,arc-sdp";
-
-	chosen {
-		bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=ttyS3,115200n8";
-	};
-};
diff --git a/target/linux/arc770/dts/axs10x_mb.dtsi b/target/linux/arc770/dts/axs10x_mb.dtsi
deleted file mode 100644
index 44a578c107..0000000000
--- a/target/linux/arc770/dts/axs10x_mb.dtsi
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Support for peripherals on the AXS10x mainboard
- *
- * Copyright (C) 2013-15 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.
- */
-
-/ {
-	axs10x_mb {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0x00000000 0xe0000000 0x10000000>;
-		interrupt-parent = <&mb_intc>;
-
-		clocks {
-			i2cclk: i2cclk {
-				compatible = "fixed-clock";
-				clock-frequency = <50000000>;
-				#clock-cells = <0>;
-			};
-
-			apbclk: apbclk {
-				compatible = "fixed-clock";
-				clock-frequency = <50000000>;
-				#clock-cells = <0>;
-			};
-
-			mmcclk: mmcclk {
-				compatible = "fixed-clock";
-				clock-frequency = <50000000>;
-				#clock-cells = <0>;
-			};
-		};
-
-		ethernet@0x18000 {
-			#interrupt-cells = <1>;
-			compatible = "snps,dwmac";
-			reg = < 0x18000 0x2000 >;
-			interrupts = < 4 >;
-			interrupt-names = "macirq";
-			phy-mode = "rgmii";
-			snps,pbl = < 32 >;
-			clocks = <&apbclk>;
-			clock-names = "stmmaceth";
-			max-speed = <100>;
-		};
-
-		ehci@0x40000 {
-			compatible = "generic-ehci";
-			reg = < 0x40000 0x100 >;
-			interrupts = < 8 >;
-		};
-
-		ohci@0x60000 {
-			compatible = "generic-ohci";
-			reg = < 0x60000 0x100 >;
-			interrupts = < 8 >;
-		};
-
-		/*
-		 * According to DW Mobile Storage databook it is required
-		 * to use  "Hold Register" if card is enumerated in SDR12 or
-		 * SDR25 modes.
-		 *
-		 * Utilization of "Hold Register" is already implemented via
-		 * dw_mci_pltfm_prepare_command() which in its turn gets
-		 * used through dw_mci_drv_data->prepare_command call-back.
-		 * This call-back is used in Altera Socfpga platform and so
-		 * we may reuse it saying that we're compatible with their
-		 * "altr,socfpga-dw-mshc".
-		 *
-		 * Most probably "Hold Register" utilization is platform-
-		 * independent requirement which means that single unified
-		 * "snps,dw-mshc" should be enough for all users of DW MMC once
-		 * dw_mci_pltfm_prepare_command() is used in generic platform
-		 * code.
-		 */
-		mmc@0x15000 {
-			compatible = "altr,socfpga-dw-mshc";
-			reg = < 0x15000 0x400 >;
-			num-slots = < 1 >;
-			fifo-depth = < 16 >;
-			card-detect-delay = < 200 >;
-			clocks = <&apbclk>, <&mmcclk>;
-			clock-names = "biu", "ciu";
-			interrupts = < 7 >;
-			bus-width = < 4 >;
-		};
-
-		uart@0x20000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x20000 0x100>;
-			clock-frequency = <33333333>;
-			interrupts = <17>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		uart@0x21000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x21000 0x100>;
-			clock-frequency = <33333333>;
-			interrupts = <18>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		/* UART muxed with USB data port (ttyS3) */
-		uart@0x22000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x22000 0x100>;
-			clock-frequency = <33333333>;
-			interrupts = <19>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		i2c@0x1d000 {
-			compatible = "snps,designware-i2c";
-			reg = <0x1d000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
-			interrupts = <14>;
-		};
-
-		i2c@0x1e000 {
-			compatible = "snps,designware-i2c";
-			reg = <0x1e000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
-			interrupts = <15>;
-		};
-
-		i2c@0x1f000 {
-			compatible = "snps,designware-i2c";
-			#address-cells = <1>;
-			#size-cells = <0>;
-			reg = <0x1f000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
-			interrupts = <16>;
-
-			eeprom@0x54{
-				compatible = "24c01";
-				reg = <0x54>;
-				pagesize = <0x8>;
-			};
-
-			eeprom@0x57{
-				compatible = "24c04";
-				reg = <0x57>;
-				pagesize = <0x8>;
-			};
-		};
-
-		gpio0:gpio@13000 {
-			compatible = "snps,dw-apb-gpio";
-			reg = <0x13000 0x1000>;
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			gpio0_banka: gpio-controller@0 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <32>;
-				reg = <0>;
-			};
-
-			gpio0_bankb: gpio-controller@1 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <8>;
-				reg = <1>;
-			};
-
-			gpio0_bankc: gpio-controller@2 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <8>;
-				reg = <2>;
-			};
-		};
-
-		gpio1:gpio@14000 {
-			compatible = "snps,dw-apb-gpio";
-			reg = <0x14000 0x1000>;
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			gpio1_banka: gpio-controller@0 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <30>;
-				reg = <0>;
-			};
-
-			gpio1_bankb: gpio-controller@1 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <10>;
-				reg = <1>;
-			};
-
-			gpio1_bankc: gpio-controller@2 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <8>;
-				reg = <2>;
-			};
-		};
-	};
-};
diff --git a/target/linux/arc770/dts/nsim_700.dts b/target/linux/arc770/dts/nsim_700.dts
deleted file mode 100644
index d152646fd9..0000000000
--- a/target/linux/arc770/dts/nsim_700.dts
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * 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"
-
-/ {
-	model = "Synopsys ARC770 nSIM simulator";
-	compatible = "snps,nsim";
-	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/target/linux/arc770/dts/skeleton.dtsi b/target/linux/arc770/dts/skeleton.dtsi
deleted file mode 100644
index 296d371a33..0000000000
--- a/target/linux/arc770/dts/skeleton.dtsi
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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 = <0x80000000 0x10000000>;	/* 256M */
-	};
-};
diff --git a/target/linux/arc770/image/Makefile b/target/linux/arc770/image/Makefile
index 1e44d6abd5..ca204a4a55 100644
--- a/target/linux/arc770/image/Makefile
+++ b/target/linux/arc770/image/Makefile
@@ -15,7 +15,7 @@ define Build/calculate-ep
 endef
 
 define Build/patch-dtb
-	$(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb)
+	$(call Image/BuildDTB,$(DTS_DIR)/$(DEVICE_DTS).dts,$@.dtb)
 	$(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
 endef
 
diff --git a/target/linux/archs38/dts/axc003_idu.dtsi b/target/linux/archs38/dts/axc003_idu.dtsi
deleted file mode 100644
index 06a9f294a2..0000000000
--- a/target/linux/archs38/dts/axc003_idu.dtsi
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (C) 2014, 2015 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.
- */
-
-/*
- * Device tree for AXC003 CPU card: HS38x2 (Dual Core) with IDU intc
- */
-
-/ {
-	compatible = "snps,arc";
-	clock-frequency = <90000000>;
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	cpu_card {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <1>;
-
-		ranges = <0x00000000 0xf0000000 0x10000000>;
-
-		cpu_intc: archs-intc@cpu {
-			compatible = "snps,archs-intc";
-			interrupt-controller;
-			#interrupt-cells = <1>;
-		};
-
-		idu_intc: idu-interrupt-controller {
-			compatible = "snps,archs-idu-intc";
-			interrupt-controller;
-			interrupt-parent = <&cpu_intc>;
-
-			/*
-			 * <hwirq  distribution>
-			 * distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
-			 */
-			#interrupt-cells = <2>;
-
-			/*
-			 * upstream irqs to core intc - downstream these are
-			 * "COMMON" irq 0,1..
-			 */
-			interrupts = <24 25>;
-		};
-
-		/*
-		 * this GPIO block ORs all interrupts on CPU card (creg,..)
-		 * to uplink only 1 IRQ to ARC core intc
-		 */
-		dw-apb-gpio@0x2000 {
-			compatible = "snps,dw-apb-gpio";
-			reg = < 0x2000 0x80 >;
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			ictl_intc: gpio-controller@0 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <30>;
-				reg = <0>;
-				interrupt-controller;
-				#interrupt-cells = <2>;
-				interrupt-parent = <&idu_intc>;
-
-				/*
-				 * cmn irq 1 -> cpu irq 25
-				 * Distribute to cpu0 only
-				 */
-				interrupts = <1 1>;
-			};
-		};
-
-		debug_uart: dw-apb-uart@0x5000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x5000 0x100>;
-			clock-frequency = <33333000>;
-			interrupt-parent = <&ictl_intc>;
-			interrupts = <2 4>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		arcpct0: pct {
-			compatible = "snps,archs-pct";
-			#interrupt-cells = <1>;
-			interrupt-parent = <&cpu_intc>;
-			interrupts = <20>;
-		};
-	};
-
-	/*
-	 * This INTC is actually connected to DW APB GPIO
-	 * which acts as a wire between MB INTC and CPU INTC.
-	 * GPIO INTC is configured in platform init code
-	 * and here we mimic direct connection from MB INTC to
-	 * CPU INTC, thus we set "interrupts = <0 1>" instead of
-	 * "interrupts = <12>"
-	 *
-	 * This intc actually resides on MB, but we move it here to
-	 * avoid duplicating the MB dtsi file given that IRQ from
-	 * this intc to cpu intc are different for axs101 and axs103
-	 */
-	mb_intc: dw-apb-ictl@0xe0012000 {
-		#interrupt-cells = <1>;
-		compatible = "snps,dw-apb-ictl";
-		reg = < 0xe0012000 0x200 >;
-		interrupt-controller;
-		interrupt-parent = <&idu_intc>;
-		interrupts = <0 1>;	/* cmn irq 0 -> cpu irq 24
-					   distribute to cpu0 only */
-	};
-
-	memory {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0x00000000 0x80000000 0x40000000>;
-		device_type = "memory";
-		reg = <0x80000000 0x20000000>;	/* 512MiB */
-	};
-};
diff --git a/target/linux/archs38/dts/axs103_idu.dts b/target/linux/archs38/dts/axs103_idu.dts
deleted file mode 100644
index 9c4bf0f28f..0000000000
--- a/target/linux/archs38/dts/axs103_idu.dts
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2014-15 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.
- */
-
-/*
- * Device Tree for AXS103 SDP with AXS10X Main Board and
- * AXC003 FPGA Card (with SMP bitfile)
- */
-/dts-v1/;
-
-/include/ "axc003_idu.dtsi"
-/include/ "axs10x_mb.dtsi"
-
-/ {
-	model = "Synopsys AXS103 Development Board";
-	compatible = "snps,axs103", "snps,arc-sdp";
-
-	chosen {
-		bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=ttyS3,115200n8";
-	};
-};
diff --git a/target/linux/archs38/dts/axs10x_mb.dtsi b/target/linux/archs38/dts/axs10x_mb.dtsi
deleted file mode 100644
index 44a578c107..0000000000
--- a/target/linux/archs38/dts/axs10x_mb.dtsi
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Support for peripherals on the AXS10x mainboard
- *
- * Copyright (C) 2013-15 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.
- */
-
-/ {
-	axs10x_mb {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0x00000000 0xe0000000 0x10000000>;
-		interrupt-parent = <&mb_intc>;
-
-		clocks {
-			i2cclk: i2cclk {
-				compatible = "fixed-clock";
-				clock-frequency = <50000000>;
-				#clock-cells = <0>;
-			};
-
-			apbclk: apbclk {
-				compatible = "fixed-clock";
-				clock-frequency = <50000000>;
-				#clock-cells = <0>;
-			};
-
-			mmcclk: mmcclk {
-				compatible = "fixed-clock";
-				clock-frequency = <50000000>;
-				#clock-cells = <0>;
-			};
-		};
-
-		ethernet@0x18000 {
-			#interrupt-cells = <1>;
-			compatible = "snps,dwmac";
-			reg = < 0x18000 0x2000 >;
-			interrupts = < 4 >;
-			interrupt-names = "macirq";
-			phy-mode = "rgmii";
-			snps,pbl = < 32 >;
-			clocks = <&apbclk>;
-			clock-names = "stmmaceth";
-			max-speed = <100>;
-		};
-
-		ehci@0x40000 {
-			compatible = "generic-ehci";
-			reg = < 0x40000 0x100 >;
-			interrupts = < 8 >;
-		};
-
-		ohci@0x60000 {
-			compatible = "generic-ohci";
-			reg = < 0x60000 0x100 >;
-			interrupts = < 8 >;
-		};
-
-		/*
-		 * According to DW Mobile Storage databook it is required
-		 * to use  "Hold Register" if card is enumerated in SDR12 or
-		 * SDR25 modes.
-		 *
-		 * Utilization of "Hold Register" is already implemented via
-		 * dw_mci_pltfm_prepare_command() which in its turn gets
-		 * used through dw_mci_drv_data->prepare_command call-back.
-		 * This call-back is used in Altera Socfpga platform and so
-		 * we may reuse it saying that we're compatible with their
-		 * "altr,socfpga-dw-mshc".
-		 *
-		 * Most probably "Hold Register" utilization is platform-
-		 * independent requirement which means that single unified
-		 * "snps,dw-mshc" should be enough for all users of DW MMC once
-		 * dw_mci_pltfm_prepare_command() is used in generic platform
-		 * code.
-		 */
-		mmc@0x15000 {
-			compatible = "altr,socfpga-dw-mshc";
-			reg = < 0x15000 0x400 >;
-			num-slots = < 1 >;
-			fifo-depth = < 16 >;
-			card-detect-delay = < 200 >;
-			clocks = <&apbclk>, <&mmcclk>;
-			clock-names = "biu", "ciu";
-			interrupts = < 7 >;
-			bus-width = < 4 >;
-		};
-
-		uart@0x20000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x20000 0x100>;
-			clock-frequency = <33333333>;
-			interrupts = <17>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		uart@0x21000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x21000 0x100>;
-			clock-frequency = <33333333>;
-			interrupts = <18>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		/* UART muxed with USB data port (ttyS3) */
-		uart@0x22000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x22000 0x100>;
-			clock-frequency = <33333333>;
-			interrupts = <19>;
-			baud = <115200>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-		};
-
-		i2c@0x1d000 {
-			compatible = "snps,designware-i2c";
-			reg = <0x1d000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
-			interrupts = <14>;
-		};
-
-		i2c@0x1e000 {
-			compatible = "snps,designware-i2c";
-			reg = <0x1e000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
-			interrupts = <15>;
-		};
-
-		i2c@0x1f000 {
-			compatible = "snps,designware-i2c";
-			#address-cells = <1>;
-			#size-cells = <0>;
-			reg = <0x1f000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
-			interrupts = <16>;
-
-			eeprom@0x54{
-				compatible = "24c01";
-				reg = <0x54>;
-				pagesize = <0x8>;
-			};
-
-			eeprom@0x57{
-				compatible = "24c04";
-				reg = <0x57>;
-				pagesize = <0x8>;
-			};
-		};
-
-		gpio0:gpio@13000 {
-			compatible = "snps,dw-apb-gpio";
-			reg = <0x13000 0x1000>;
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			gpio0_banka: gpio-controller@0 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <32>;
-				reg = <0>;
-			};
-
-			gpio0_bankb: gpio-controller@1 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <8>;
-				reg = <1>;
-			};
-
-			gpio0_bankc: gpio-controller@2 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <8>;
-				reg = <2>;
-			};
-		};
-
-		gpio1:gpio@14000 {
-			compatible = "snps,dw-apb-gpio";
-			reg = <0x14000 0x1000>;
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			gpio1_banka: gpio-controller@0 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <30>;
-				reg = <0>;
-			};
-
-			gpio1_bankb: gpio-controller@1 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <10>;
-				reg = <1>;
-			};
-
-			gpio1_bankc: gpio-controller@2 {
-				compatible = "snps,dw-apb-gpio-port";
-				gpio-controller;
-				#gpio-cells = <2>;
-				snps,nr-gpios = <8>;
-				reg = <2>;
-			};
-		};
-	};
-};
diff --git a/target/linux/archs38/dts/nsim_hs_idu.dts b/target/linux/archs38/dts/nsim_hs_idu.dts
deleted file mode 100644
index 75f539bb0d..0000000000
--- a/target/linux/archs38/dts/nsim_hs_idu.dts
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2014-15 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"
-
-/ {
-	model = "Synopsys ARC HS38 nSIM simulator";
-	compatible = "snps,nsim_hs";
-	interrupt-parent = <&core_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;
-
-		core_intc: core-interrupt-controller {
-			compatible = "snps,archs-intc";
-			interrupt-controller;
-			#interrupt-cells = <1>;
-		};
-
-		idu_intc: idu-interrupt-controller {
-			compatible = "snps,archs-idu-intc";
-			interrupt-controller;
-			interrupt-parent = <&core_intc>;
-
-			/*
-			 * <hwirq  distribution>
-			 * distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
-			 */
-			#interrupt-cells = <2>;
-
-			/*
-			 * upstream irqs to core intc - downstream these are
-			 * "COMMON" irq 0,1..
-			 */
-			interrupts = <24 25 26 27 28 29 30 31>;
-		};
-
-		arcuart0: serial@c0fc1000 {
-			compatible = "snps,arc-uart";
-			reg = <0xc0fc1000 0x100>;
-			interrupt-parent = <&idu_intc>;
-			interrupts = <0 0>;
-			clock-frequency = <80000000>;
-			current-speed = <115200>;
-			status = "okay";
-		};
-
-		arcpct0: pct {
-			compatible = "snps,archs-pct";
-			#interrupt-cells = <1>;
-			interrupts = <20>;
-		};
-	};
-};
diff --git a/target/linux/archs38/dts/skeleton.dtsi b/target/linux/archs38/dts/skeleton.dtsi
deleted file mode 100644
index 296d371a33..0000000000
--- a/target/linux/archs38/dts/skeleton.dtsi
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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 = <0x80000000 0x10000000>;	/* 256M */
-	};
-};
diff --git a/target/linux/archs38/image/Makefile b/target/linux/archs38/image/Makefile
index 42b13e618d..bda7f3f539 100644
--- a/target/linux/archs38/image/Makefile
+++ b/target/linux/archs38/image/Makefile
@@ -15,7 +15,7 @@ define Build/calculate-ep
 endef
 
 define Build/patch-dtb
-	$(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb)
+	$(call Image/BuildDTB,$(DTS_DIR)/$(DEVICE_DTS).dts,$@.dtb)
 	$(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
 endef
 
diff --git a/target/linux/generic/patches-4.4/096-arc-add-model-property-in-dts.patch b/target/linux/generic/patches-4.4/096-arc-add-model-property-in-dts.patch
new file mode 100644
index 0000000000..dfaa7bc05e
--- /dev/null
+++ b/target/linux/generic/patches-4.4/096-arc-add-model-property-in-dts.patch
@@ -0,0 +1,192 @@
+From f1e53ac0a99e3754465bd87ae1a6fdbfb8340d15 Mon Sep 17 00:00:00 2001
+From: Alexey Brodkin <abrodkin@synopsys.com>
+Date: Mon, 15 Aug 2016 14:42:44 +0300
+Subject: [PATCH] arc: Add "model" properly in device tree description of all
+ boards
+
+As it was discussed quite some time ago (see
+https://lkml.org/lkml/2015/11/5/862) it's a good practice to add
+"model" property in .dts. Moreover as per ePAPR "model" property is
+required and should look like "manufacturer,model" so we do here.
+
+Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
+Cc: Vineet Gupta <vgupta@synopsys.com>
+Cc: Jonas Gorski <jonas.gorski@gmail.com>
+Cc: Arnd Bergmann <arnd@arndb.de>
+Cc: Rob Herring <robh@kernel.org>
+Cc: Christian Ruppert <christian.ruppert@alitech.com>
+---
+ arch/arc/boot/dts/abilis_tb100_dvk.dts | 1 +
+ arch/arc/boot/dts/abilis_tb101_dvk.dts | 1 +
+ arch/arc/boot/dts/axs101.dts           | 1 +
+ arch/arc/boot/dts/axs103.dts           | 1 +
+ arch/arc/boot/dts/axs103_idu.dts       | 1 +
+ arch/arc/boot/dts/nsim_700.dts         | 1 +
+ arch/arc/boot/dts/nsim_hs.dts          | 1 +
+ arch/arc/boot/dts/nsim_hs_idu.dts      | 1 +
+ arch/arc/boot/dts/nsimosci.dts         | 1 +
+ arch/arc/boot/dts/nsimosci_hs.dts      | 1 +
+ arch/arc/boot/dts/nsimosci_hs_idu.dts  | 1 +
+ arch/arc/boot/dts/vdk_hs38.dts         | 1 +
+ arch/arc/boot/dts/vdk_hs38_smp.dts     | 1 +
+ 13 files changed, 13 insertions(+)
+
+diff --git a/arch/arc/boot/dts/abilis_tb100_dvk.dts b/arch/arc/boot/dts/abilis_tb100_dvk.dts
+index 3dd6ed9..3acf04d 100644
+--- a/arch/arc/boot/dts/abilis_tb100_dvk.dts
++++ b/arch/arc/boot/dts/abilis_tb100_dvk.dts
+@@ -24,6 +24,7 @@
+ /include/ "abilis_tb100.dtsi"
+ 
+ / {
++	model = "abilis,tb100";
+ 	chosen {
+ 		bootargs = "earlycon=uart8250,mmio32,0xff100000,9600n8 console=ttyS0,9600n8";
+ 	};
+diff --git a/arch/arc/boot/dts/abilis_tb101_dvk.dts b/arch/arc/boot/dts/abilis_tb101_dvk.dts
+index 1cf51c2..37d88c5 100644
+--- a/arch/arc/boot/dts/abilis_tb101_dvk.dts
++++ b/arch/arc/boot/dts/abilis_tb101_dvk.dts
+@@ -24,6 +24,7 @@
+ /include/ "abilis_tb101.dtsi"
+ 
+ / {
++	model = "abilis,tb101";
+ 	chosen {
+ 		bootargs = "earlycon=uart8250,mmio32,0xff100000,9600n8 console=ttyS0,9600n8";
+ 	};
+diff --git a/arch/arc/boot/dts/axs101.dts b/arch/arc/boot/dts/axs101.dts
+index 3f9b058..d9b9b9d 100644
+--- a/arch/arc/boot/dts/axs101.dts
++++ b/arch/arc/boot/dts/axs101.dts
+@@ -13,6 +13,7 @@
+ /include/ "axs10x_mb.dtsi"
+ 
+ / {
++	model = "snps,axs101";
+ 	compatible = "snps,axs101", "snps,arc-sdp";
+ 
+ 	chosen {
+diff --git a/arch/arc/boot/dts/axs103.dts b/arch/arc/boot/dts/axs103.dts
+index e6d0e31..ec7fb27 100644
+--- a/arch/arc/boot/dts/axs103.dts
++++ b/arch/arc/boot/dts/axs103.dts
+@@ -16,6 +16,7 @@
+ /include/ "axs10x_mb.dtsi"
+ 
+ / {
++	model = "snps,axs103";
+ 	compatible = "snps,axs103", "snps,arc-sdp";
+ 
+ 	chosen {
+diff --git a/arch/arc/boot/dts/axs103_idu.dts b/arch/arc/boot/dts/axs103_idu.dts
+index f999fef..070c297 100644
+--- a/arch/arc/boot/dts/axs103_idu.dts
++++ b/arch/arc/boot/dts/axs103_idu.dts
+@@ -16,6 +16,7 @@
+ /include/ "axs10x_mb.dtsi"
+ 
+ / {
++	model = "snps,axs103-smp";
+ 	compatible = "snps,axs103", "snps,arc-sdp";
+ 
+ 	chosen {
+diff --git a/arch/arc/boot/dts/nsim_700.dts b/arch/arc/boot/dts/nsim_700.dts
+index 105a001..97a9a91 100644
+--- a/arch/arc/boot/dts/nsim_700.dts
++++ b/arch/arc/boot/dts/nsim_700.dts
+@@ -10,6 +10,7 @@
+ /include/ "skeleton.dtsi"
+ 
+ / {
++	model = "snps,nsim";
+ 	compatible = "snps,nsim";
+ 	clock-frequency = <80000000>;	/* 80 MHZ */
+ 	#address-cells = <1>;
+diff --git a/arch/arc/boot/dts/nsim_hs.dts b/arch/arc/boot/dts/nsim_hs.dts
+index fc81879..1d47b14 100644
+--- a/arch/arc/boot/dts/nsim_hs.dts
++++ b/arch/arc/boot/dts/nsim_hs.dts
+@@ -10,6 +10,7 @@
+ /include/ "skeleton.dtsi"
+ 
+ / {
++	model = "snps,nsim_hs";
+ 	compatible = "snps,nsim_hs";
+ 	#address-cells = <2>;
+ 	#size-cells = <2>;
+diff --git a/arch/arc/boot/dts/nsim_hs_idu.dts b/arch/arc/boot/dts/nsim_hs_idu.dts
+index 46ab319..b3a69a8 100644
+--- a/arch/arc/boot/dts/nsim_hs_idu.dts
++++ b/arch/arc/boot/dts/nsim_hs_idu.dts
+@@ -10,6 +10,7 @@
+ /include/ "skeleton.dtsi"
+ 
+ / {
++	model = "snps,nsim_hs-smp";
+ 	compatible = "snps,nsim_hs";
+ 	interrupt-parent = <&core_intc>;
+ 
+diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
+index 1c169dc..80f3c33 100644
+--- a/arch/arc/boot/dts/nsimosci.dts
++++ b/arch/arc/boot/dts/nsimosci.dts
+@@ -10,6 +10,7 @@
+ /include/ "skeleton.dtsi"
+ 
+ / {
++	model = "snps,nsimosci";
+ 	compatible = "snps,nsimosci";
+ 	clock-frequency = <20000000>;	/* 20 MHZ */
+ 	#address-cells = <1>;
+diff --git a/arch/arc/boot/dts/nsimosci_hs.dts b/arch/arc/boot/dts/nsimosci_hs.dts
+index d64a96f..f680f1e 100644
+--- a/arch/arc/boot/dts/nsimosci_hs.dts
++++ b/arch/arc/boot/dts/nsimosci_hs.dts
+@@ -10,6 +10,7 @@
+ /include/ "skeleton.dtsi"
+ 
+ / {
++	model = "snps,nsimosci_hs";
+ 	compatible = "snps,nsimosci_hs";
+ 	clock-frequency = <20000000>;	/* 20 MHZ */
+ 	#address-cells = <1>;
+diff --git a/arch/arc/boot/dts/nsimosci_hs_idu.dts b/arch/arc/boot/dts/nsimosci_hs_idu.dts
+index f6bf0ca..6e46b11 100644
+--- a/arch/arc/boot/dts/nsimosci_hs_idu.dts
++++ b/arch/arc/boot/dts/nsimosci_hs_idu.dts
+@@ -10,6 +10,7 @@
+ /include/ "skeleton.dtsi"
+ 
+ / {
++	model = "snps,nsimosci_hs-smp";
+ 	compatible = "snps,nsimosci_hs";
+ 	clock-frequency = <5000000>;	/* 5 MHZ */
+ 	#address-cells = <1>;
+diff --git a/arch/arc/boot/dts/vdk_hs38.dts b/arch/arc/boot/dts/vdk_hs38.dts
+index 5d803dd..3c51103 100644
+--- a/arch/arc/boot/dts/vdk_hs38.dts
++++ b/arch/arc/boot/dts/vdk_hs38.dts
+@@ -13,6 +13,7 @@
+ /include/ "vdk_axs10x_mb.dtsi"
+ 
+ / {
++	model = "snps,vdk_archs";
+ 	compatible = "snps,axs103";
+ 
+ 	chosen {
+diff --git a/arch/arc/boot/dts/vdk_hs38_smp.dts b/arch/arc/boot/dts/vdk_hs38_smp.dts
+index 031a5bc..0054684 100644
+--- a/arch/arc/boot/dts/vdk_hs38_smp.dts
++++ b/arch/arc/boot/dts/vdk_hs38_smp.dts
+@@ -13,6 +13,7 @@
+ /include/ "vdk_axs10x_mb.dtsi"
+ 
+ / {
++	model = "snps,vdk_archs-smp";
+ 	compatible = "snps,axs103";
+ 
+ 	chosen {
+-- 
+2.7.4
+