1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2024 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 / {
10 timer {
11 compatible = "arm,armv8-timer";
12 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
13 <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
14 <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
15 <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
16 };
17
18 psci {
19 compatible = "arm,psci-1.0";
20 method = "smc";
21 };
22
23 xtal: xtal-clk {
24 compatible = "fixed-clock";
25 clock-frequency = <24000000>;
26 clock-output-names = "xtal";
27 #clock-cells = <0>;
28 };
29
30 soc {
31 compatible = "simple-bus";
32 #address-cells = <2>;
33 #size-cells = <2>;
34 ranges;
35
36 gic: interrupt-controller@fff01000 {
37 compatible = "arm,gic-400";
38 reg = <0x0 0xfff01000 0 0x1000>,
39 <0x0 0xfff02000 0 0x2000>,
40 <0x0 0xfff04000 0 0x2000>,
41 <0x0 0xfff06000 0 0x2000>;
42 #interrupt-cells = <3>;
43 #address-cells = <0>;
44 interrupt-controller;
45 interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
46 };
47
48 apb: bus@fe000000 {
49 compatible = "simple-bus";
50 reg = <0x0 0xfe000000 0x0 0x480000>;
51 #address-cells = <2>;
52 #size-cells = <2>;
53 ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
54
55 watchdog@2100 {
56 compatible = "amlogic,a4-wdt", "amlogic,t7-wdt";
57 reg = <0x0 0x2100 0x0 0x10>;
58 clocks = <&xtal>;
59 };
60
61 uart_b: serial@7a000 {
62 compatible = "amlogic,a4-uart",
63 "amlogic,meson-s4-uart";
64 reg = <0x0 0x7a000 0x0 0x18>;
65 interrupts = <GIC_SPI 169 IRQ_TYPE_EDGE_RISING>;
66 clocks = <&xtal>, <&xtal>, <&xtal>;
67 clock-names = "xtal", "pclk", "baud";
68 status = "disabled";
69 };
70
71 sec_ao: ao-secure@10220 {
72 compatible = "amlogic,a4-ao-secure",
73 "amlogic,meson-gx-ao-secure",
74 "syscon";
75 reg = <0x0 0x10220 0x0 0x140>;
76 amlogic,has-chip-id;
77 };
78 };
79 };
80 };
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