xref: /linux/arch/mips/boot/dts/mti/malta.dts (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78)
1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3
4#include <dt-bindings/interrupt-controller/irq.h>
5#include <dt-bindings/interrupt-controller/mips-gic.h>
6
7/memreserve/ 0x00000000 0x00001000;	/* YAMON exception vectors */
8/memreserve/ 0x00001000 0x000ef000;	/* YAMON */
9/memreserve/ 0x000f0000 0x00010000;	/* PIIX4 ISA memory */
10
11/ {
12	#address-cells = <1>;
13	#size-cells = <1>;
14	compatible = "mti,malta";
15
16	cpu_intc: interrupt-controller {
17		compatible = "mti,cpu-interrupt-controller";
18
19		interrupt-controller;
20		#interrupt-cells = <1>;
21	};
22
23	gic: interrupt-controller@1bdc0000 {
24		compatible = "mti,gic";
25		reg = <0x1bdc0000 0x20000>;
26
27		interrupt-controller;
28		#interrupt-cells = <3>;
29
30		/*
31		 * Declare the interrupt-parent even though the mti,gic
32		 * binding doesn't require it, such that the kernel can
33		 * figure out that cpu_intc is the root interrupt
34		 * controller & should be probed first.
35		 */
36		interrupt-parent = <&cpu_intc>;
37
38		timer {
39			compatible = "mti,gic-timer";
40			interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
41		};
42	};
43
44	i8259: interrupt-controller@20 {
45		compatible = "intel,i8259";
46
47		interrupt-controller;
48		#interrupt-cells = <1>;
49
50		interrupt-parent = <&gic>;
51		interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>;
52	};
53
54	flash@1e000000 {
55		compatible = "intel,dt28f160", "cfi-flash";
56		reg = <0x1e000000 0x400000>;
57		bank-width = <4>;
58		#address-cells = <1>;
59		#size-cells = <1>;
60
61		partitions {
62			compatible = "fixed-partitions";
63			#address-cells = <1>;
64			#size-cells = <1>;
65
66			yamon@0 {
67				label = "YAMON";
68				reg = <0x0 0x100000>;
69				read-only;
70			};
71
72			user-fs@100000 {
73				label = "User FS";
74				reg = <0x100000 0x2e0000>;
75			};
76
77			board-config@3e0000 {
78				label = "Board Config";
79				reg = <0x3e0000 0x20000>;
80				read-only;
81			};
82		};
83	};
84
85	fpga_regs: system-controller@1f000000 {
86		compatible = "mti,malta-fpga", "syscon", "simple-mfd";
87		reg = <0x1f000000 0x1000>;
88		native-endian;
89
90		lcd@410 {
91			compatible = "mti,malta-lcd";
92			offset = <0x410>;
93		};
94
95		reboot {
96			compatible = "syscon-reboot";
97			regmap = <&fpga_regs>;
98			offset = <0x500>;
99			mask = <0x42>;
100		};
101	};
102
103	isa {
104		compatible = "isa";
105		#address-cells = <2>;
106		#size-cells = <1>;
107		ranges = <1 0 0 0x1000>;
108
109		rtc@70 {
110			compatible = "motorola,mc146818";
111			reg = <1 0x70 0x8>;
112
113			interrupt-parent = <&i8259>;
114			interrupts = <8>;
115		};
116	};
117};
118