ARM: dts: add DT for Alphascale ASM9260 SoC

for now it is wary basic SoC description with most important IPs needed
to make this device work

Signed-off-by: Oleksij Rempel <[e-mail]>
Signed-off-by: Olof Johansson <[e-mail]>

arch/arm/boot/dts/Makefile

···
 	mt6592-evb.dtb \
 	mt8127-moose.dtb \
 	mt8135-evbp1.dtb
-
+dtb-$(CONFIG_MACH_ASM9260) += alphascale-asm9260-devkit.dtb
 endif
 
 always		:= $(dtb-y)

arch/arm/boot/dts/alphascale-asm9260-devkit.dts

···
+/*
+ * Copyright 2014 Oleksij Rempel <[e-mail]>
+ *
+ * Licensed under the X11 license or the GPL v2 (or later)
+ */
+
+/dts-v1/;
+#include "alphascale-asm9260.dtsi"
+
+/ {
+	model = "Alphascale asm9260 Development Kit";
+	compatible = "alphascale,asm9260devkit", "alphascale,asm9260";
+};

arch/arm/boot/dts/alphascale-asm9260.dtsi

···
+/*
+ * Copyright 2014 Oleksij Rempel <[e-mail]>
+ *
+ * Licensed under the X11 license or the GPL v2 (or later)
+ */
+
+#include "skeleton.dtsi"
+#include <dt-bindings/clock/alphascale,asm9260.h>
+
+/ {
+	interrupt-parent = <&icoll>;
+
+	memory {
+		device_type = "memory";
+		reg = <0x20000000 0x2000000>;
+	};
+
+	cpus {
+		#address-cells = <0>;
+		#size-cells = <0>;
+
+		cpu {
+			compatible = "arm,arm926ej-s";
+			device_type = "cpu";
+			clocks = <&acc CLKID_SYS_CPU>;
+		};
+	};
+
+	osc24m: oscillator {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		clock-accuracy = <30000>;
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		ranges;
+
+		acc: clock-controller@80040000 {
+			compatible = "alphascale,asm9260-clock-controller";
+			#clock-cells = <1>;
+			clocks = <&osc24m>;
+			reg = <0x80040000 0x204>;
+		};
+
+		icoll: interrupt-controller@80054000 {
+			compatible = "alphascale,asm9260-icoll";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			reg = <0x80054000 0x200>;
+		};
+
+		timer0: timer@80088000 {
+			compatible = "alphascale,asm9260-timer";
+			reg = <0x80088000 0x4000>;
+			clocks = <&acc CLKID_AHB_TIMER0>;
+			interrupts = <29>;
+		};
+	};
+};