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 };
54
55 cpu1: cpu@1 {
56 compatible = "arm,cortex-a53";
57 reg = <0x001>;
58 device_type = "cpu";
59 enable-method = "psci";
60 i-cache-size = <0x8000>;
61 i-cache-line-size = <64>;
62 i-cache-sets = <256>;
63 d-cache-size = <0x8000>;
64 d-cache-line-size = <64>;
65 d-cache-sets = <128>;
66 next-level-cache = <&L2_0>;
67 operating-points-v2 = <&a53_opp_table>;
68 clocks = <&k3_clks 136 0>;
69 };
70
71 cpu2: cpu@2 {
72 compatible = "arm,cortex-a53";
73 reg = <0x002>;
74 device_type = "cpu";
75 enable-method = "psci";
76 i-cache-size = <0x8000>;
77 i-cache-line-size = <64>;
78 i-cache-sets = <256>;
79 d-cache-size = <0x8000>;
80 d-cache-line-size = <64>;
81 d-cache-sets = <128>;
82 next-level-cache = <&L2_0>;
83 operating-points-v2 = <&a53_opp_table>;
84 clocks = <&k3_clks 137 0>;
85 };
86
87 cpu3: cpu@3 {
88 compatible = "arm,cortex-a53";
89 reg = <0x003>;
90 device_type = "cpu";
91 enable-method = "psci";
92 i-cache-size = <0x8000>;
93 i-cache-line-size = <64>;
94 i-cache-sets = <256>;
95 d-cache-size = <0x8000>;
96 d-cache-line-size = <64>;
97 d-cache-sets = <128>;
98 next-level-cache = <&L2_0>;
99 operating-points-v2 = <&a53_opp_table>;
100 clocks = <&k3_clks 138 0>;
101 };
102 };
103
104 a53_opp_table: opp-table {
105 compatible = "operating-points-v2-ti-cpu";
106 opp-shared;
107 syscon = <&wkup_conf>;
108
109 opp-200000000 {
110 opp-hz = /bits/ 64 <200000000>;
111 opp-supported-hw = <0x01 0x0007>;
112 clock-latency-ns = <6000000>;
113 };
114
115 opp-400000000 {
116 opp-hz = /bits/ 64 <400000000>;
117 opp-supported-hw = <0x01 0x0007>;
118 clock-latency-ns = <6000000>;
119 };
120
121 opp-600000000 {
122 opp-hz = /bits/ 64 <600000000>;
123 opp-supported-hw = <0x01 0x0007>;
124 clock-latency-ns = <6000000>;
125 };
126
127 opp-800000000 {
128 opp-hz = /bits/ 64 <800000000>;
129 opp-supported-hw = <0x01 0x0007>;
130 clock-latency-ns = <6000000>;
131 };
132
133 opp-1000000000 {
134 opp-hz = /bits/ 64 <1000000000>;
135 opp-supported-hw = <0x01 0x0006>;
136 clock-latency-ns = <6000000>;
137 };
138
139 opp-1250000000 {
140 opp-hz = /bits/ 64 <1250000000>;
141 opp-supported-hw = <0x01 0x0004>;
142 clock-latency-ns = <6000000>;
143 opp-suspend;
144 };
145 };
146
147 L2_0: l2-cache0 {
148 compatible = "cache";
149 cache-unified;
150 cache-level = <2>;
151 cache-size = <0x80000>;
152 cache-line-size = <64>;
153 cache-sets = <512>;
154 };
155 };
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