1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
2 /*
3 * Device Tree Source for AM625 SoC family in Quad core configuration
4 *
5 * TRM: https://www.ti.com/lit/pdf/spruiv7
6 *
7 * Copyright (C) 2020-2024 Texas Instruments Incorporated - https://www.ti.com/
8 */
9
10 /dts-v1/;
11
12 #include "k3-am62.dtsi"
13
14 / {
15 cpus {
16 #address-cells = <1>;
17 #size-cells = <0>;
18
19 cpu-map {
20 cluster0: cluster0 {
21 core0 {
22 cpu = <&cpu0>;
23 };
24
25 core1 {
26 cpu = <&cpu1>;
27 };
28
29 core2 {
30 cpu = <&cpu2>;
31 };
32
33 core3 {
34 cpu = <&cpu3>;
35 };
36 };
37 };
38
39 cpu0: cpu@0 {
40 compatible = "arm,cortex-a53";
41 reg = <0x000>;
42 device_type = "cpu";
43 enable-method = "psci";
44 i-cache-size = <0x8000>;
45 i-cache-line-size = <64>;
46 i-cache-sets = <256>;
47 d-cache-size = <0x8000>;
48 d-cache-line-size = <64>;
49 d-cache-sets = <128>;
50 next-level-cache = <&L2_0>;
51 operating-points-v2 = <&a53_opp_table>;
52 clocks = <&k3_clks 135 0>;
53 #cooling-cells = <2>;
54 };
55
56 cpu1: cpu@1 {
57 compatible = "arm,cortex-a53";
58 reg = <0x001>;
59 device_type = "cpu";
60 enable-method = "psci";
61 i-cache-size = <0x8000>;
62 i-cache-line-size = <64>;
63 i-cache-sets = <256>;
64 d-cache-size = <0x8000>;
65 d-cache-line-size = <64>;
66 d-cache-sets = <128>;
67 next-level-cache = <&L2_0>;
68 operating-points-v2 = <&a53_opp_table>;
69 clocks = <&k3_clks 136 0>;
70 #cooling-cells = <2>;
71 };
72
73 cpu2: cpu@2 {
74 compatible = "arm,cortex-a53";
75 reg = <0x002>;
76 device_type = "cpu";
77 enable-method = "psci";
78 i-cache-size = <0x8000>;
79 i-cache-line-size = <64>;
80 i-cache-sets = <256>;
81 d-cache-size = <0x8000>;
82 d-cache-line-size = <64>;
83 d-cache-sets = <128>;
84 next-level-cache = <&L2_0>;
85 operating-points-v2 = <&a53_opp_table>;
86 clocks = <&k3_clks 137 0>;
87 #cooling-cells = <2>;
88 };
89
90 cpu3: cpu@3 {
91 compatible = "arm,cortex-a53";
92 reg = <0x003>;
93 device_type = "cpu";
94 enable-method = "psci";
95 i-cache-size = <0x8000>;
96 i-cache-line-size = <64>;
97 i-cache-sets = <256>;
98 d-cache-size = <0x8000>;
99 d-cache-line-size = <64>;
100 d-cache-sets = <128>;
101 next-level-cache = <&L2_0>;
102 operating-points-v2 = <&a53_opp_table>;
103 clocks = <&k3_clks 138 0>;
104 #cooling-cells = <2>;
105 };
106 };
107
108 a53_opp_table: opp-table {
109 compatible = "operating-points-v2-ti-cpu";
110 opp-shared;
111 syscon = <&wkup_conf>;
112
113 opp-200000000 {
114 opp-hz = /bits/ 64 <200000000>;
115 opp-supported-hw = <0x01 0x0007>;
116 clock-latency-ns = <6000000>;
117 };
118
119 opp-400000000 {
120 opp-hz = /bits/ 64 <400000000>;
121 opp-supported-hw = <0x01 0x0007>;
122 clock-latency-ns = <6000000>;
123 };
124
125 opp-600000000 {
126 opp-hz = /bits/ 64 <600000000>;
127 opp-supported-hw = <0x01 0x0007>;
128 clock-latency-ns = <6000000>;
129 };
130
131 opp-800000000 {
132 opp-hz = /bits/ 64 <800000000>;
133 opp-supported-hw = <0x01 0x0007>;
134 clock-latency-ns = <6000000>;
135 };
136
137 opp-1000000000 {
138 opp-hz = /bits/ 64 <1000000000>;
139 opp-supported-hw = <0x01 0x0006>;
140 clock-latency-ns = <6000000>;
141 };
142
143 opp-1250000000 {
144 opp-hz = /bits/ 64 <1250000000>;
145 opp-supported-hw = <0x01 0x0004>;
146 clock-latency-ns = <6000000>;
147 opp-suspend;
148 };
149 };
150
151 L2_0: l2-cache0 {
152 compatible = "cache";
153 cache-unified;
154 cache-level = <2>;
155 cache-size = <0x80000>;
156 cache-line-size = <64>;
157 cache-sets = <512>;
158 };
159 };
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