blob: 0bce6497219f9654633951a107cb0772e10fc1cb [file] [log] [blame]
William Zhangdc244ca2022-08-22 11:31:41 -07001// 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,bcm6856", "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 L2_0: l2-cache0 {
37 compatible = "cache";
38 };
39 };
40
41 timer {
42 compatible = "arm,armv8-timer";
43 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
44 <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
45 <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
46 <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
47 };
48
49 pmu: pmu {
50 compatible = "arm,cortex-a53-pmu";
51 interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
52 <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
53 interrupt-affinity = <&B53_0>, <&B53_1>;
54 };
55
56 clocks: clocks {
57 periph_clk:periph-clk {
58 compatible = "fixed-clock";
59 #clock-cells = <0>;
60 clock-frequency = <200000000>;
61 };
62 };
63
64 psci {
65 compatible = "arm,psci-0.2";
66 method = "smc";
67 };
68
69 axi@81000000 {
70 compatible = "simple-bus";
71 #address-cells = <1>;
72 #size-cells = <1>;
73 ranges = <0x0 0x0 0x81000000 0x8000>;
74
75 gic: interrupt-controller@1000 {
76 compatible = "arm,gic-400";
77 #interrupt-cells = <3>;
78 interrupt-controller;
79 reg = <0x1000 0x1000>, /* GICD */
80 <0x2000 0x2000>, /* GICC */
81 <0x4000 0x2000>, /* GICH */
82 <0x6000 0x2000>; /* GICV */
83 interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) |
84 IRQ_TYPE_LEVEL_HIGH)>;
85 };
86 };
87
88 bus@ff800000 {
89 compatible = "simple-bus";
90 #address-cells = <1>;
91 #size-cells = <1>;
92 ranges = <0x0 0x0 0xff800000 0x800000>;
93
94 uart0: serial@640 {
95 compatible = "brcm,bcm6345-uart";
96 reg = <0x640 0x18>;
97 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
98 clocks = <&periph_clk>;
99 clock-names = "refclk";
100 status = "disabled";
101 };
102 };
103};