1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /*
3 * Unisoc UMS9620 DTS file
4 *
5 * Copyright (C) 2023, Unisoc Inc.
6 */
7
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9
10 / {
11 interrupt-parent = <&gic>;
12 #address-cells = <2>;
13 #size-cells = <2>;
14
15 cpus {
16 #address-cells = <2>;
17 #size-cells = <0>;
18
19 cpu-map {
20 cluster0 {
21 core0 {
22 cpu = <&CPU0>;
23 };
24 core1 {
25 cpu = <&CPU1>;
26 };
27 core2 {
28 cpu = <&CPU2>;
29 };
30 core3 {
31 cpu = <&CPU3>;
32 };
33 core4 {
34 cpu = <&CPU4>;
35 };
36 core5 {
37 cpu = <&CPU5>;
38 };
39 core6 {
40 cpu = <&CPU6>;
41 };
42 core7 {
43 cpu = <&CPU7>;
44 };
45 };
46 };
47
48 CPU0: cpu@0 {
49 device_type = "cpu";
50 compatible = "arm,cortex-a55";
51 reg = <0x0 0x0>;
52 enable-method = "psci";
53 cpu-idle-states = <&LIT_CORE_PD>;
54 };
55
56 CPU1: cpu@100 {
57 device_type = "cpu";
58 compatible = "arm,cortex-a55";
59 reg = <0x0 0x100>;
60 enable-method = "psci";
61 cpu-idle-states = <&LIT_CORE_PD>;
62 };
63
64 CPU2: cpu@200 {
65 device_type = "cpu";
66 compatible = "arm,cortex-a55";
67 reg = <0x0 0x200>;
68 enable-method = "psci";
69 cpu-idle-states = <&LIT_CORE_PD>;
70 };
71
72 CPU3: cpu@300 {
73 device_type = "cpu";
74 compatible = "arm,cortex-a55";
75 reg = <0x0 0x300>;
76 enable-method = "psci";
77 cpu-idle-states = <&LIT_CORE_PD>;
78 };
79
80 CPU4: cpu@400 {
81 device_type = "cpu";
82 compatible = "arm,cortex-a76";
83 reg = <0x0 0x400>;
84 enable-method = "psci";
85 cpu-idle-states = <&BIG_CORE_PD>;
86 };
87
88 CPU5: cpu@500 {
89 device_type = "cpu";
90 compatible = "arm,cortex-a76";
91 reg = <0x0 0x500>;
92 enable-method = "psci";
93 cpu-idle-states = <&BIG_CORE_PD>;
94 };
95
96 CPU6: cpu@600 {
97 device_type = "cpu";
98 compatible = "arm,cortex-a76";
99 reg = <0x0 0x600>;
100 enable-method = "psci";
101 cpu-idle-states = <&BIG_CORE_PD>;
102 };
103
104 CPU7: cpu@700 {
105 device_type = "cpu";
106 compatible = "arm,cortex-a76";
107 reg = <0x0 0x700>;
108 enable-method = "psci";
109 cpu-idle-states = <&BIG_CORE_PD>;
110 };
111 };
112
113 idle-states {
114 entry-method = "psci";
115 LIT_CORE_PD: cpu-pd-lit {
116 compatible = "arm,idle-state";
117 entry-latency-us = <1000>;
118 exit-latency-us = <500>;
119 min-residency-us = <2500>;
120 local-timer-stop;
121 arm,psci-suspend-param = <0x00010000>;
122 };
123
124 BIG_CORE_PD: cpu-pd-big {
125 compatible = "arm,idle-state";
126 entry-latency-us = <4000>;
127 exit-latency-us = <4000>;
128 min-residency-us = <10000>;
129 local-timer-stop;
130 arm,psci-suspend-param = <0x00010000>;
131 };
132 };
133
134 psci {
135 compatible = "arm,psci-0.2";
136 method = "smc";
137 };
138
139 timer {
140 compatible = "arm,armv8-timer";
141 interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>, /* Physical Secure PPI */
142 <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>, /* Physical Non-Secure PPI */
143 <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>, /* Virtual PPI */
144 <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>; /* Hipervisor PPI */
145 };
146
147 pmu-a55 {
148 compatible = "arm,cortex-a55-pmu";
149 interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>,
150 <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>,
151 <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>,
152 <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
153 interrupt-affinity = <&CPU0>, <&CPU1>, <&CPU2>, <&CPU3>;
154 };
155
156 pmu-a76 {
157 compatible = "arm,cortex-a76-pmu";
158 interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>,
159 <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
160 <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
161 <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
162 interrupt-affinity = <&CPU4>, <&CPU5>, <&CPU6>, <&CPU7>;
163 };
164
165 soc: soc {
166 compatible = "simple-bus";
167 ranges;
168 #address-cells = <2>;
169 #size-cells = <2>;
170
171 gic: interrupt-controller@12000000 {
172 compatible = "arm,gic-v3";
173 reg = <0x0 0x12000000 0 0x20000>, /* GICD */
174 <0x0 0x12040000 0 0x100000>; /* GICR */
175 #interrupt-cells = <3>;
176 #address-cells = <2>;
177 #size-cells = <2>;
178 redistributor-stride = <0x0 0x20000>; /* 128KB stride */
179 #redistributor-regions = <1>;
180 interrupt-controller;
181 interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
182 };
183
184 apb@20200000 {
185 compatible = "simple-bus";
186 ranges = <0 0 0x20200000 0x100000>;
187 #address-cells = <1>;
188 #size-cells = <1>;
189
190 uart0: serial@0 {
191 compatible = "sprd,ums9620-uart",
192 "sprd,sc9836-uart";
193 reg = <0 0x100>;
194 interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
195 clocks = <&ext_26m>;
196 status = "disabled";
197 };
198
199 uart1: serial@10000 {
200 compatible = "sprd,ums9620-uart",
201 "sprd,sc9836-uart";
202 reg = <0x10000 0x100>;
203 interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>;
204 clocks = <&ext_26m>;
205 status = "disabled";
206 };
207 };
208 };
209
210 ext_26m: clk-26m {
211 compatible = "fixed-clock";
212 #clock-cells = <0>;
213 clock-frequency = <26000000>;
214 clock-output-names = "ext-26m";
215 };
216
217 ext_4m: clk-4m {
218 compatible = "fixed-clock";
219 #clock-cells = <0>;
220 clock-frequency = <4000000>;
221 clock-output-names = "ext-4m";
222 };
223
224 ext_32k: clk-32k {
225 compatible = "fixed-clock";
226 #clock-cells = <0>;
227 clock-frequency = <32768>;
228 clock-output-names = "ext-32k";
229 };
230
231 rco_100m: clk-100m {
232 compatible = "fixed-clock";
233 #clock-cells = <0>;
234 clock-frequency = <100000000>;
235 clock-output-names = "rco-100m";
236 };
237
238 dphy_312m5: dphy-312m5 {
239 compatible = "fixed-clock";
240 #clock-cells = <0>;
241 clock-frequency = <312500000>;
242 clock-output-names = "dphy-312m5";
243 };
244
245 dphy_416m7: dphy-416m7 {
246 compatible = "fixed-clock";
247 #clock-cells = <0>;
248 clock-frequency = <416700000>;
249 clock-output-names = "dphy-416m7";
250 };
251 };
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