1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
4 */
5
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/reset/amlogic,c3-reset.h>
10
11 / {
12 cpus {
13 #address-cells = <2>;
14 #size-cells = <0>;
15
16 cpu0: cpu@0 {
17 device_type = "cpu";
18 compatible = "arm,cortex-a35";
19 reg = <0x0 0x0>;
20 enable-method = "psci";
21 };
22
23 cpu1: cpu@1 {
24 device_type = "cpu";
25 compatible = "arm,cortex-a35";
26 reg = <0x0 0x1>;
27 enable-method = "psci";
28 };
29 };
30
31 timer {
32 compatible = "arm,armv8-timer";
33 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
34 <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
35 <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
36 <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
37 };
38
39 psci {
40 compatible = "arm,psci-1.0";
41 method = "smc";
42 };
43
44 xtal: xtal-clk {
45 compatible = "fixed-clock";
46 clock-frequency = <24000000>;
47 clock-output-names = "xtal";
48 #clock-cells = <0>;
49 };
50
51 sm: secure-monitor {
52 compatible = "amlogic,meson-gxbb-sm";
53
54 pwrc: power-controller {
55 compatible = "amlogic,c3-pwrc";
56 #power-domain-cells = <1>;
57 };
58 };
59
60 soc {
61 compatible = "simple-bus";
62 #address-cells = <2>;
63 #size-cells = <2>;
64 ranges;
65
66 gic: interrupt-controller@fff01000 {
67 compatible = "arm,gic-400";
68 #interrupt-cells = <3>;
69 #address-cells = <0>;
70 interrupt-controller;
71 reg = <0x0 0xfff01000 0 0x1000>,
72 <0x0 0xfff02000 0 0x2000>,
73 <0x0 0xfff04000 0 0x2000>,
74 <0x0 0xfff06000 0 0x2000>;
75 interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
76 };
77
78 apb4: bus@fe000000 {
79 compatible = "simple-bus";
80 reg = <0x0 0xfe000000 0x0 0x480000>;
81 #address-cells = <2>;
82 #size-cells = <2>;
83 ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
84
85 reset: reset-controller@2000 {
86 compatible = "amlogic,c3-reset";
87 reg = <0x0 0x2000 0x0 0x98>;
88 #reset-cells = <1>;
89 };
90
91 watchdog@2100 {
92 compatible = "amlogic,c3-wdt", "amlogic,t7-wdt";
93 reg = <0x0 0x2100 0x0 0x10>;
94 clocks = <&xtal>;
95 };
96
97 periphs_pinctrl: pinctrl@4000 {
98 compatible = "amlogic,c3-periphs-pinctrl";
99 #address-cells = <2>;
100 #size-cells = <2>;
101 ranges;
102
103 gpio: bank@4000 {
104 reg = <0x0 0x4000 0x0 0x004c>,
105 <0x0 0x4100 0x0 0x01de>;
106 reg-names = "mux", "gpio";
107 gpio-controller;
108 #gpio-cells = <2>;
109 gpio-ranges = <&periphs_pinctrl 0 0 55>;
110 };
111 };
112
113 gpio_intc: interrupt-controller@4080 {
114 compatible = "amlogic,c3-gpio-intc", "amlogic,meson-gpio-intc";
115 reg = <0x0 0x4080 0x0 0x0020>;
116 interrupt-controller;
117 #interrupt-cells = <2>;
118 amlogic,channel-interrupts =
119 <10 11 12 13 14 15 16 17 18 19 20 21>;
120 };
121
122 uart_b: serial@7a000 {
123 compatible = "amlogic,meson-s4-uart",
124 "amlogic,meson-ao-uart";
125 reg = <0x0 0x7a000 0x0 0x18>;
126 interrupts = <GIC_SPI 169 IRQ_TYPE_EDGE_RISING>;
127 status = "disabled";
128 clocks = <&xtal>, <&xtal>, <&xtal>;
129 clock-names = "xtal", "pclk", "baud";
130 };
131
132 };
133 };
134 };
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