1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright 2022 Broadcom Ltd.
4 */
5
6#include <dt-bindings/interrupt-controller/irq.h>
7#include <dt-bindings/interrupt-controller/arm-gic.h>
8
9/ {
10	compatible = "brcm,bcm6858", "brcm,bcmbca";
11	#address-cells = <2>;
12	#size-cells = <2>;
13
14	interrupt-parent = <&gic>;
15
16	cpus {
17		#address-cells = <2>;
18		#size-cells = <0>;
19
20		B53_0: cpu@0 {
21			compatible = "brcm,brahma-b53";
22			device_type = "cpu";
23			reg = <0x0 0x0>;
24			next-level-cache = <&L2_0>;
25			enable-method = "psci";
26		};
27
28		B53_1: cpu@1 {
29			compatible = "brcm,brahma-b53";
30			device_type = "cpu";
31			reg = <0x0 0x1>;
32			next-level-cache = <&L2_0>;
33			enable-method = "psci";
34		};
35
36		B53_2: cpu@2 {
37			compatible = "brcm,brahma-b53";
38			device_type = "cpu";
39			reg = <0x0 0x2>;
40			next-level-cache = <&L2_0>;
41			enable-method = "psci";
42		};
43
44		B53_3: cpu@3 {
45			compatible = "brcm,brahma-b53";
46			device_type = "cpu";
47			reg = <0x0 0x3>;
48			next-level-cache = <&L2_0>;
49			enable-method = "psci";
50		};
51		L2_0: l2-cache0 {
52			compatible = "cache";
53			cache-level = <2>;
54		};
55	};
56
57	timer {
58		compatible = "arm,armv8-timer";
59		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
60			<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
61			<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
62			<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
63	};
64
65	pmu: pmu {
66		compatible = "arm,armv8-pmuv3";
67		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
68			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
69			<GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
70			<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
71		interrupt-affinity = <&B53_0>, <&B53_1>,
72			<&B53_2>, <&B53_3>;
73	};
74
75	clocks: clocks {
76		periph_clk:periph-clk {
77			compatible = "fixed-clock";
78			#clock-cells = <0>;
79			clock-frequency = <200000000>;
80		};
81	};
82
83	psci {
84		compatible = "arm,psci-0.2";
85		method = "smc";
86	};
87
88	axi@81000000 {
89		compatible = "simple-bus";
90		#address-cells = <1>;
91		#size-cells = <1>;
92		ranges = <0x0 0x0 0x81000000 0x8000>;
93
94		gic: interrupt-controller@1000 {
95			compatible = "arm,gic-400";
96			#interrupt-cells = <3>;
97			interrupt-controller;
98			reg = <0x1000 0x1000>, /* GICD */
99				<0x2000 0x2000>, /* GICC */
100				<0x4000 0x2000>, /* GICH */
101				<0x6000 0x2000>; /* GICV */
102			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
103					IRQ_TYPE_LEVEL_HIGH)>;
104		};
105	};
106
107	bus@ff800000 {
108		compatible = "simple-bus";
109		#address-cells = <1>;
110		#size-cells = <1>;
111		ranges = <0x0 0x0 0xff800000 0x62000>;
112
113		twd: timer-mfd@400 {
114			compatible = "brcm,bcm4908-twd", "simple-mfd", "syscon";
115			reg = <0x400 0x4c>;
116			ranges = <0x0 0x400 0x4c>;
117
118			#address-cells = <1>;
119			#size-cells = <1>;
120
121			timer@0 {
122				compatible = "brcm,bcm63138-timer";
123				reg = <0x0 0x28>;
124			};
125
126			watchdog@28 {
127				compatible = "brcm,bcm6345-wdt";
128				reg = <0x28 0x8>;
129			};
130		};
131
132		uart0: serial@640 {
133			compatible = "brcm,bcm6345-uart";
134			reg = <0x640 0x18>;
135			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
136			clocks = <&periph_clk>;
137			clock-names = "refclk";
138			status = "disabled";
139		};
140	};
141};
142