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Linux kernel mirror (for testing)
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1// SPDX-License-Identifier: GPL-2.0+ OR MIT
2/*
3 * Apple T8103 "M1" SoC
4 *
5 * Other names: H13G, "Tonga"
6 *
7 * Copyright The Asahi Linux Contributors
8 */
9
10#include <dt-bindings/interrupt-controller/apple-aic.h>
11#include <dt-bindings/interrupt-controller/irq.h>
12
13/ {
14 compatible = "apple,t8103", "apple,arm-platform";
15
16 #address-cells = <2>;
17 #size-cells = <2>;
18
19 cpus {
20 #address-cells = <2>;
21 #size-cells = <0>;
22
23 cpu0: cpu@0 {
24 compatible = "apple,icestorm";
25 device_type = "cpu";
26 reg = <0x0 0x0>;
27 enable-method = "spin-table";
28 cpu-release-addr = <0 0>; /* To be filled by loader */
29 };
30
31 cpu1: cpu@1 {
32 compatible = "apple,icestorm";
33 device_type = "cpu";
34 reg = <0x0 0x1>;
35 enable-method = "spin-table";
36 cpu-release-addr = <0 0>; /* To be filled by loader */
37 };
38
39 cpu2: cpu@2 {
40 compatible = "apple,icestorm";
41 device_type = "cpu";
42 reg = <0x0 0x2>;
43 enable-method = "spin-table";
44 cpu-release-addr = <0 0>; /* To be filled by loader */
45 };
46
47 cpu3: cpu@3 {
48 compatible = "apple,icestorm";
49 device_type = "cpu";
50 reg = <0x0 0x3>;
51 enable-method = "spin-table";
52 cpu-release-addr = <0 0>; /* To be filled by loader */
53 };
54
55 cpu4: cpu@10100 {
56 compatible = "apple,firestorm";
57 device_type = "cpu";
58 reg = <0x0 0x10100>;
59 enable-method = "spin-table";
60 cpu-release-addr = <0 0>; /* To be filled by loader */
61 };
62
63 cpu5: cpu@10101 {
64 compatible = "apple,firestorm";
65 device_type = "cpu";
66 reg = <0x0 0x10101>;
67 enable-method = "spin-table";
68 cpu-release-addr = <0 0>; /* To be filled by loader */
69 };
70
71 cpu6: cpu@10102 {
72 compatible = "apple,firestorm";
73 device_type = "cpu";
74 reg = <0x0 0x10102>;
75 enable-method = "spin-table";
76 cpu-release-addr = <0 0>; /* To be filled by loader */
77 };
78
79 cpu7: cpu@10103 {
80 compatible = "apple,firestorm";
81 device_type = "cpu";
82 reg = <0x0 0x10103>;
83 enable-method = "spin-table";
84 cpu-release-addr = <0 0>; /* To be filled by loader */
85 };
86 };
87
88 timer {
89 compatible = "arm,armv8-timer";
90 interrupt-parent = <&aic>;
91 interrupt-names = "phys", "virt", "hyp-phys", "hyp-virt";
92 interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
93 <AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>,
94 <AIC_FIQ AIC_TMR_HV_PHYS IRQ_TYPE_LEVEL_HIGH>,
95 <AIC_FIQ AIC_TMR_HV_VIRT IRQ_TYPE_LEVEL_HIGH>;
96 };
97
98 clk24: clock-24m {
99 compatible = "fixed-clock";
100 #clock-cells = <0>;
101 clock-frequency = <24000000>;
102 clock-output-names = "clk24";
103 };
104
105 soc {
106 compatible = "simple-bus";
107 #address-cells = <2>;
108 #size-cells = <2>;
109
110 ranges;
111 nonposted-mmio;
112
113 serial0: serial@235200000 {
114 compatible = "apple,s5l-uart";
115 reg = <0x2 0x35200000 0x0 0x1000>;
116 reg-io-width = <4>;
117 interrupt-parent = <&aic>;
118 interrupts = <AIC_IRQ 605 IRQ_TYPE_LEVEL_HIGH>;
119 /*
120 * TODO: figure out the clocking properly, there may
121 * be a third selectable clock.
122 */
123 clocks = <&clk24>, <&clk24>;
124 clock-names = "uart", "clk_uart_baud0";
125 status = "disabled";
126 };
127
128 aic: interrupt-controller@23b100000 {
129 compatible = "apple,t8103-aic", "apple,aic";
130 #interrupt-cells = <3>;
131 interrupt-controller;
132 reg = <0x2 0x3b100000 0x0 0x8000>;
133 };
134 };
135};