1/*
2 * Copyright (c) 2017 Amlogic, Inc. All rights reserved.
3 *
4 * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 */
6
7#include <dt-bindings/gpio/gpio.h>
8#include <dt-bindings/interrupt-controller/irq.h>
9#include <dt-bindings/interrupt-controller/arm-gic.h>
10
11/ {
12	compatible = "amlogic,meson-axg";
13
14	interrupt-parent = <&gic>;
15	#address-cells = <2>;
16	#size-cells = <2>;
17
18	reserved-memory {
19		#address-cells = <2>;
20		#size-cells = <2>;
21		ranges;
22
23		/* 16 MiB reserved for Hardware ROM Firmware */
24		hwrom_reserved: hwrom@0 {
25			reg = <0x0 0x0 0x0 0x1000000>;
26			no-map;
27		};
28
29		/* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */
30		secmon_reserved: secmon@5000000 {
31			reg = <0x0 0x05000000 0x0 0x300000>;
32			no-map;
33		};
34	};
35
36	cpus {
37		#address-cells = <0x2>;
38		#size-cells = <0x0>;
39
40		cpu0: cpu@0 {
41			device_type = "cpu";
42			compatible = "arm,cortex-a53", "arm,armv8";
43			reg = <0x0 0x0>;
44			enable-method = "psci";
45			next-level-cache = <&l2>;
46		};
47
48		cpu1: cpu@1 {
49			device_type = "cpu";
50			compatible = "arm,cortex-a53", "arm,armv8";
51			reg = <0x0 0x1>;
52			enable-method = "psci";
53			next-level-cache = <&l2>;
54		};
55
56		cpu2: cpu@2 {
57			device_type = "cpu";
58			compatible = "arm,cortex-a53", "arm,armv8";
59			reg = <0x0 0x2>;
60			enable-method = "psci";
61			next-level-cache = <&l2>;
62		};
63
64		cpu3: cpu@3 {
65			device_type = "cpu";
66			compatible = "arm,cortex-a53", "arm,armv8";
67			reg = <0x0 0x3>;
68			enable-method = "psci";
69			next-level-cache = <&l2>;
70		};
71
72		l2: l2-cache0 {
73			compatible = "cache";
74		};
75	};
76
77	arm-pmu {
78		compatible = "arm,cortex-a53-pmu";
79		interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
80			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
81			     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
82			     <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
83		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
84	};
85
86	psci {
87		compatible = "arm,psci-1.0";
88		method = "smc";
89	};
90
91	timer {
92		compatible = "arm,armv8-timer";
93		interrupts = <GIC_PPI 13
94			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
95			     <GIC_PPI 14
96			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
97			     <GIC_PPI 11
98			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
99			     <GIC_PPI 10
100			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
101	};
102
103	xtal: xtal-clk {
104		compatible = "fixed-clock";
105		clock-frequency = <24000000>;
106		clock-output-names = "xtal";
107		#clock-cells = <0>;
108	};
109
110	soc {
111		compatible = "simple-bus";
112		#address-cells = <2>;
113		#size-cells = <2>;
114		ranges;
115
116		cbus: cbus@ffd00000 {
117			compatible = "simple-bus";
118			reg = <0x0 0xffd00000 0x0 0x25000>;
119			#address-cells = <2>;
120			#size-cells = <2>;
121			ranges = <0x0 0x0 0x0 0xffd00000 0x0 0x25000>;
122
123			uart_A: serial@24000 {
124				compatible = "amlogic,meson-gx-uart", "amlogic,meson-uart";
125				reg = <0x0 0x24000 0x0 0x14>;
126				interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
127				status = "disabled";
128			};
129
130			uart_B: serial@23000 {
131				compatible = "amlogic,meson-gx-uart", "amlogic,meson-uart";
132				reg = <0x0 0x23000 0x0 0x14>;
133				interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>;
134				status = "disabled";
135			};
136		};
137
138		gic: interrupt-controller@ffc01000 {
139			compatible = "arm,gic-400";
140			reg = <0x0 0xffc01000 0 0x1000>,
141			      <0x0 0xffc02000 0 0x2000>,
142			      <0x0 0xffc04000 0 0x2000>,
143			      <0x0 0xffc06000 0 0x2000>;
144			interrupt-controller;
145			interrupts = <GIC_PPI 9
146				(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
147			#interrupt-cells = <3>;
148			#address-cells = <0>;
149		};
150
151		mailbox: mailbox@ff63dc00 {
152			compatible = "amlogic,meson-gx-mhu", "amlogic,meson-gxbb-mhu";
153			reg = <0 0xff63dc00 0 0x400>;
154			interrupts = <GIC_SPI 208 IRQ_TYPE_EDGE_RISING>,
155				     <GIC_SPI 209 IRQ_TYPE_EDGE_RISING>,
156				     <GIC_SPI 210 IRQ_TYPE_EDGE_RISING>;
157			#mbox-cells = <1>;
158		};
159
160		sram: sram@fffc0000 {
161			compatible = "amlogic,meson-axg-sram", "mmio-sram";
162			reg = <0x0 0xfffc0000 0x0 0x20000>;
163			#address-cells = <1>;
164			#size-cells = <1>;
165			ranges = <0 0x0 0xfffc0000 0x20000>;
166
167			cpu_scp_lpri: scp-shmem@0 {
168				compatible = "amlogic,meson-axg-scp-shmem";
169				reg = <0x13000 0x400>;
170			};
171
172			cpu_scp_hpri: scp-shmem@200 {
173				compatible = "amlogic,meson-axg-scp-shmem";
174				reg = <0x13400 0x400>;
175			};
176		};
177
178		aobus: aobus@ff800000 {
179			compatible = "simple-bus";
180			reg = <0x0 0xff800000 0x0 0x100000>;
181			#address-cells = <2>;
182			#size-cells = <2>;
183			ranges = <0x0 0x0 0x0 0xff800000 0x0 0x100000>;
184
185			uart_AO: serial@3000 {
186				compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart";
187				reg = <0x0 0x3000 0x0 0x18>;
188				interrupts = <GIC_SPI 193 IRQ_TYPE_EDGE_RISING>;
189				clocks = <&xtal>, <&xtal>, <&xtal>;
190				clock-names = "xtal", "pclk", "baud";
191				status = "disabled";
192			};
193
194			uart_AO_B: serial@4000 {
195				compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart";
196				reg = <0x0 0x4000 0x0 0x18>;
197				interrupts = <GIC_SPI 197 IRQ_TYPE_EDGE_RISING>;
198				clocks = <&xtal>, <&xtal>, <&xtal>;
199				clock-names = "xtal", "pclk", "baud";
200				status = "disabled";
201			};
202		};
203	};
204};
205