1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2019 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/meson-a1-gpio.h>
9
10/ {
11	compatible = "amlogic,a1";
12
13	interrupt-parent = <&gic>;
14	#address-cells = <2>;
15	#size-cells = <2>;
16
17	cpus {
18		#address-cells = <2>;
19		#size-cells = <0>;
20
21		cpu0: cpu@0 {
22			device_type = "cpu";
23			compatible = "arm,cortex-a35";
24			reg = <0x0 0x0>;
25			enable-method = "psci";
26			next-level-cache = <&l2>;
27		};
28
29		cpu1: cpu@1 {
30			device_type = "cpu";
31			compatible = "arm,cortex-a35";
32			reg = <0x0 0x1>;
33			enable-method = "psci";
34			next-level-cache = <&l2>;
35		};
36
37		l2: l2-cache0 {
38			compatible = "cache";
39		};
40	};
41
42	psci {
43		compatible = "arm,psci-1.0";
44		method = "smc";
45	};
46
47	reserved-memory {
48		#address-cells = <2>;
49		#size-cells = <2>;
50		ranges;
51
52		linux,cma {
53			compatible = "shared-dma-pool";
54			reusable;
55			size = <0x0 0x800000>;
56			alignment = <0x0 0x400000>;
57			linux,cma-default;
58		};
59	};
60
61	sm: secure-monitor {
62		compatible = "amlogic,meson-gxbb-sm";
63
64		pwrc: power-controller {
65			compatible = "amlogic,meson-a1-pwrc";
66			#power-domain-cells = <1>;
67			status = "okay";
68		};
69	};
70
71	soc {
72		compatible = "simple-bus";
73		#address-cells = <2>;
74		#size-cells = <2>;
75		ranges;
76
77		apb: bus@fe000000 {
78			compatible = "simple-bus";
79			reg = <0x0 0xfe000000 0x0 0x1000000>;
80			#address-cells = <2>;
81			#size-cells = <2>;
82			ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x1000000>;
83
84
85			reset: reset-controller@0 {
86				compatible = "amlogic,meson-a1-reset";
87				reg = <0x0 0x0 0x0 0x8c>;
88				#reset-cells = <1>;
89			};
90
91			periphs_pinctrl: pinctrl@400 {
92				compatible = "amlogic,meson-a1-periphs-pinctrl";
93				#address-cells = <2>;
94				#size-cells = <2>;
95				ranges;
96
97				gpio: bank@400 {
98					reg = <0x0 0x0400 0x0 0x003c>,
99					      <0x0 0x0480 0x0 0x0118>;
100					reg-names = "mux", "gpio";
101					gpio-controller;
102					#gpio-cells = <2>;
103					gpio-ranges = <&periphs_pinctrl 0 0 62>;
104				};
105
106			};
107
108			uart_AO: serial@1c00 {
109				compatible = "amlogic,meson-gx-uart",
110					     "amlogic,meson-ao-uart";
111				reg = <0x0 0x1c00 0x0 0x18>;
112				interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
113				clocks = <&xtal>, <&xtal>, <&xtal>;
114				clock-names = "xtal", "pclk", "baud";
115				status = "disabled";
116			};
117
118			uart_AO_B: serial@2000 {
119				compatible = "amlogic,meson-gx-uart",
120					     "amlogic,meson-ao-uart";
121				reg = <0x0 0x2000 0x0 0x18>;
122				interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
123				clocks = <&xtal>, <&xtal>, <&xtal>;
124				clock-names = "xtal", "pclk", "baud";
125				status = "disabled";
126			};
127		};
128
129		gic: interrupt-controller@ff901000 {
130			compatible = "arm,gic-400";
131			reg = <0x0 0xff901000 0x0 0x1000>,
132			      <0x0 0xff902000 0x0 0x2000>,
133			      <0x0 0xff904000 0x0 0x2000>,
134			      <0x0 0xff906000 0x0 0x2000>;
135			interrupt-controller;
136			interrupts = <GIC_PPI 9
137				(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
138			#interrupt-cells = <3>;
139			#address-cells = <0>;
140		};
141	};
142
143	timer {
144		compatible = "arm,armv8-timer";
145		interrupts = <GIC_PPI 13
146			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
147			     <GIC_PPI 14
148			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
149			     <GIC_PPI 11
150			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
151			     <GIC_PPI 10
152			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
153	};
154
155	xtal: xtal-clk {
156		compatible = "fixed-clock";
157		clock-frequency = <24000000>;
158		clock-output-names = "xtal";
159		#clock-cells = <0>;
160	};
161};
162