1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright 2022 Broadcom Ltd.
4 */
5
6 #include <dt-bindings/interrupt-controller/arm-gic.h>
7 #include <dt-bindings/interrupt-controller/irq.h>
8
9 / {
10 compatible = "brcm,bcm6846", "brcm,bcmbca";
11 #address-cells = <1>;
12 #size-cells = <1>;
13
14 interrupt-parent = <&gic>;
15
16 cpus {
17 #address-cells = <1>;
18 #size-cells = <0>;
19
20 CA7_0: cpu@0 {
21 device_type = "cpu";
22 compatible = "arm,cortex-a7";
23 reg = <0x0>;
24 next-level-cache = <&L2_0>;
25 enable-method = "psci";
26 };
27
28 CA7_1: cpu@1 {
29 device_type = "cpu";
30 compatible = "arm,cortex-a7";
31 reg = <0x1>;
32 next-level-cache = <&L2_0>;
33 enable-method = "psci";
34 };
35
36 L2_0: l2-cache0 {
37 compatible = "cache";
38 cache-level = <2>;
39 cache-unified;
40 };
41 };
42
43 timer {
44 compatible = "arm,armv7-timer";
45 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
46 <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
47 <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
48 <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
49 arm,cpu-registers-not-fw-configured;
50 };
51
52 pmu: pmu {
53 compatible = "arm,cortex-a7-pmu";
54 interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
55 <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
56 interrupt-affinity = <&CA7_0>, <&CA7_1>;
57 };
58
59 clocks: clocks {
60 periph_clk: periph-clk {
61 compatible = "fixed-clock";
62 #clock-cells = <0>;
63 clock-frequency = <200000000>;
64 };
65
66 hsspi_pll: hsspi-pll {
67 compatible = "fixed-clock";
68 #clock-cells = <0>;
69 clock-frequency = <400000000>;
70 };
71 };
72
73 psci {
74 compatible = "arm,psci-0.2";
75 method = "smc";
76 };
77
78 axi@81000000 {
79 compatible = "simple-bus";
80 #address-cells = <1>;
81 #size-cells = <1>;
82 ranges = <0 0x81000000 0x8000>;
83
84 gic: interrupt-controller@1000 {
85 compatible = "arm,cortex-a7-gic";
86 #interrupt-cells = <3>;
87 interrupt-controller;
88 interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
89 reg = <0x1000 0x1000>,
90 <0x2000 0x2000>,
91 <0x4000 0x2000>,
92 <0x6000 0x2000>;
93 };
94 };
95
96 bus@ff800000 {
97 compatible = "simple-bus";
98 #address-cells = <1>;
99 #size-cells = <1>;
100 ranges = <0 0xff800000 0x800000>;
101
102 uart0: serial@640 {
103 compatible = "brcm,bcm6345-uart";
104 reg = <0x640 0x1b>;
105 interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
106 clocks = <&periph_clk>;
107 clock-names = "refclk";
108 status = "disabled";
109 };
110
111 hsspi: spi@1000 {
112 #address-cells = <1>;
113 #size-cells = <0>;
114 compatible = "brcm,bcm6846-hsspi", "brcm,bcmbca-hsspi-v1.0";
115 reg = <0x1000 0x600>;
116 interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
117 clocks = <&hsspi_pll &hsspi_pll>;
118 clock-names = "hsspi", "pll";
119 num-cs = <8>;
120 status = "disabled";
121 };
122
123 nand_controller: nand-controller@1800 {
124 #address-cells = <1>;
125 #size-cells = <0>;
126 compatible = "brcm,nand-bcm63138", "brcm,brcmnand-v7.1", "brcm,brcmnand";
127 reg = <0x1800 0x600>, <0x2000 0x10>;
128 reg-names = "nand", "nand-int-base";
129 status = "disabled";
130
131 nandcs: nand@0 {
132 compatible = "brcm,nandcs";
133 reg = <0>;
134 };
135 };
136 };
137 };
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