xref: /freebsd/sys/contrib/device-tree/src/arc/skeleton.dtsi (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot// SPDX-License-Identifier: GPL-2.0-only
2*c66ec88fSEmmanuel Vadot/*
3*c66ec88fSEmmanuel Vadot * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
4*c66ec88fSEmmanuel Vadot */
5*c66ec88fSEmmanuel Vadot
6*c66ec88fSEmmanuel Vadot/*
7*c66ec88fSEmmanuel Vadot * Skeleton device tree; the bare minimum needed to boot; just include and
8*c66ec88fSEmmanuel Vadot * add a compatible value.
9*c66ec88fSEmmanuel Vadot */
10*c66ec88fSEmmanuel Vadot
11*c66ec88fSEmmanuel Vadot/ {
12*c66ec88fSEmmanuel Vadot	compatible = "snps,arc";
13*c66ec88fSEmmanuel Vadot	#address-cells = <1>;
14*c66ec88fSEmmanuel Vadot	#size-cells = <1>;
15*c66ec88fSEmmanuel Vadot	chosen { };
16*c66ec88fSEmmanuel Vadot	aliases { };
17*c66ec88fSEmmanuel Vadot
18*c66ec88fSEmmanuel Vadot	cpus {
19*c66ec88fSEmmanuel Vadot		#address-cells = <1>;
20*c66ec88fSEmmanuel Vadot		#size-cells = <0>;
21*c66ec88fSEmmanuel Vadot
22*c66ec88fSEmmanuel Vadot		cpu@0 {
23*c66ec88fSEmmanuel Vadot			device_type = "cpu";
24*c66ec88fSEmmanuel Vadot			compatible = "snps,arc770d";
25*c66ec88fSEmmanuel Vadot			reg = <0>;
26*c66ec88fSEmmanuel Vadot			clocks = <&core_clk>;
27*c66ec88fSEmmanuel Vadot		};
28*c66ec88fSEmmanuel Vadot	};
29*c66ec88fSEmmanuel Vadot
30*c66ec88fSEmmanuel Vadot	/* TIMER0 with interrupt for clockevent */
31*c66ec88fSEmmanuel Vadot	timer0 {
32*c66ec88fSEmmanuel Vadot		compatible = "snps,arc-timer";
33*c66ec88fSEmmanuel Vadot		interrupts = <3>;
34*c66ec88fSEmmanuel Vadot		interrupt-parent = <&core_intc>;
35*c66ec88fSEmmanuel Vadot		clocks = <&core_clk>;
36*c66ec88fSEmmanuel Vadot	};
37*c66ec88fSEmmanuel Vadot
38*c66ec88fSEmmanuel Vadot	/* TIMER1 for free running clocksource */
39*c66ec88fSEmmanuel Vadot	timer1 {
40*c66ec88fSEmmanuel Vadot		compatible = "snps,arc-timer";
41*c66ec88fSEmmanuel Vadot		clocks = <&core_clk>;
42*c66ec88fSEmmanuel Vadot	};
43*c66ec88fSEmmanuel Vadot
44*c66ec88fSEmmanuel Vadot	memory {
45*c66ec88fSEmmanuel Vadot		device_type = "memory";
46*c66ec88fSEmmanuel Vadot		reg = <0x80000000 0x10000000>;	/* 256M */
47*c66ec88fSEmmanuel Vadot	};
48*c66ec88fSEmmanuel Vadot};
49