1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
4 */
5
6 /dts-v1/;
7
8 #include "amlogic-c3.dtsi"
9
10 / {
11 model = "Amlogic C302 aw409 Development Board";
12 compatible = "amlogic,aw409", "amlogic,c3";
13 interrupt-parent = <&gic>;
14 #address-cells = <2>;
15 #size-cells = <2>;
16
17 aliases {
18 serial0 = &uart_b;
19 spi0 = &spifc;
20 };
21
22 memory@0 {
23 device_type = "memory";
24 reg = <0x0 0x0 0x0 0x10000000>;
25 };
26
27 reserved-memory {
28 #address-cells = <2>;
29 #size-cells = <2>;
30 ranges;
31
32 /* 9 MiB reserved for ARM Trusted Firmware */
33 secmon_reserved: secmon@7f00000 {
34 compatible = "shared-dma-pool";
35 reg = <0x0 0x07f00000 0x0 0x900000>;
36 no-map;
37 };
38 };
39
40 main_12v: regulator-main-12v {
41 compatible = "regulator-fixed";
42 regulator-name = "12V";
43 regulator-min-microvolt = <12000000>;
44 regulator-max-microvolt = <12000000>;
45 regulator-boot-on;
46 regulator-always-on;
47 };
48
49 vcc_5v: regulator-vcc-5v {
50 compatible = "regulator-fixed";
51 regulator-name = "VCC5V";
52 regulator-min-microvolt = <5000000>;
53 regulator-max-microvolt = <5000000>;
54 vin-supply = <&main_12v>;
55 regulator-boot-on;
56 regulator-always-on;
57 };
58
59 vddq: regulator-vddq {
60 compatible = "regulator-fixed";
61 regulator-name = "VDDQ";
62 regulator-min-microvolt = <1200000>;
63 regulator-max-microvolt = <1200000>;
64 vin-supply = <&main_12v>;
65 regulator-boot-on;
66 regulator-always-on;
67 };
68
69 vddao_3v3: regulator-vddao-3v3 {
70 compatible = "regulator-fixed";
71 regulator-name = "VDDAO3V3";
72 regulator-min-microvolt = <3300000>;
73 regulator-max-microvolt = <3300000>;
74 vin-supply = <&main_12v>;
75 regulator-boot-on;
76 regulator-always-on;
77 };
78
79 vddao_1v8: regulator-vddao-1v8 {
80 compatible = "regulator-fixed";
81 regulator-name = "VDDAO1V8";
82 regulator-min-microvolt = <1800000>;
83 regulator-max-microvolt = <1800000>;
84 vin-supply = <&vddao_3v3>;
85 regulator-boot-on;
86 regulator-always-on;
87 };
88
89 ddr4_2v5: regulator-ddr4-2v5 {
90 compatible = "regulator-fixed";
91 regulator-name = "DDR4_2V5";
92 regulator-min-microvolt = <2500000>;
93 regulator-max-microvolt = <2500000>;
94 vin-supply = <&vddao_3v3>;
95 regulator-boot-on;
96 regulator-always-on;
97 };
98
99 vcc_3v3: regulator-vcc-3v3 {
100 compatible = "regulator-fixed";
101 regulator-name = "VCC3V3";
102 regulator-min-microvolt = <3300000>;
103 regulator-max-microvolt = <3300000>;
104 vin-supply = <&vddao_3v3>;
105 regulator-boot-on;
106 regulator-always-on;
107 };
108
109 vcc_1v8: regulator-vcc-1v8 {
110 compatible = "regulator-fixed";
111 regulator-name = "VCC1V8";
112 regulator-min-microvolt = <1800000>;
113 regulator-max-microvolt = <1800000>;
114 vin-supply = <&vcc_3v3>;
115 regulator-boot-on;
116 regulator-always-on;
117 };
118
119 vdd_1v8: regulator-vdd-1v8 {
120 compatible = "regulator-fixed";
121 regulator-name = "VDD1V8_BOOT";
122 regulator-min-microvolt = <1800000>;
123 regulator-max-microvolt = <1800000>;
124 vin-supply = <&vcc_3v3>;
125 regulator-boot-on;
126 regulator-always-on;
127 };
128
129 vddio_b: regulator-vddio-3v3-b {
130 compatible = "regulator-fixed";
131 regulator-name = "VDDIO_B";
132 regulator-min-microvolt = <3300000>;
133 regulator-max-microvolt = <3300000>;
134 vin-supply = <&vcc_3v3>;
135 regulator-boot-on;
136 regulator-always-on;
137 };
138
139 sdcard: regulator-sdcard {
140 compatible = "regulator-fixed";
141 regulator-name = "SDCARD_POWER";
142 regulator-min-microvolt = <3300000>;
143 regulator-max-microvolt = <3300000>;
144 vin-supply = <&vddao_3v3>;
145 gpio = <&gpio GPIOA_4 GPIO_ACTIVE_LOW>;
146 regulator-boot-on;
147 regulator-always-on;
148 };
149 };
150
151 &uart_b {
152 status = "okay";
153 };
154
155 &nand {
156 status = "okay";
157 #address-cells = <1>;
158 #size-cells = <0>;
159
160 pinctrl-0 = <&nand_pins>;
161 pinctrl-names = "default";
162
163 nand@0 {
164 reg = <0>;
165 #address-cells = <1>;
166 #size-cells = <1>;
167 nand-on-flash-bbt;
168
169 partition@0 {
170 label = "boot";
171 reg = <0x0 0x00200000>;
172 };
173 partition@200000 {
174 label = "env";
175 reg = <0x00200000 0x00400000>;
176 };
177 partition@600000 {
178 label = "system";
179 reg = <0x00600000 0x00a00000>;
180 };
181 partition@1000000 {
182 label = "rootfs";
183 reg = <0x01000000 0x03000000>;
184 };
185 partition@4000000 {
186 label = "media";
187 reg = <0x04000000 0x8000000>;
188 };
189 };
190 };
191
192 ðmac {
193 status = "okay";
194 phy-handle = <&internal_ephy>;
195 phy-mode = "rmii";
196 };
197
198 &spifc {
199 #address-cells = <1>;
200 #size-cells = <0>;
201
202 pinctrl-0 = <&spifc_pins>;
203 pinctrl-names = "default";
204
205 nand@0 {
206 compatible = "spi-nand";
207 reg = <0>;
208 spi-max-frequency = <83000000>;
209 spi-tx-bus-width = <4>;
210 spi-rx-bus-width = <4>;
211 status = "disabled";
212
213 partitions {
214 compatible = "fixed-partitions";
215 #address-cells = <1>;
216 #size-cells = <1>;
217
218 partition@0 {
219 label = "boot";
220 reg = <0 0x200000>;
221 };
222
223 partition@200000 {
224 label = "env";
225 reg = <0x200000 0x400000>;
226 };
227
228 partition@600000 {
229 label = "system";
230 reg = <0x600000 0xa00000>;
231 };
232
233 partition@1000000 {
234 label = "rootfs";
235 reg = <0x1000000 0x3000000>;
236 };
237
238 partition@4000000 {
239 label = "data";
240 reg = <0x4000000 0x8000000>;
241 };
242 };
243 };
244 };
245
246 &sd {
247 status = "okay";
248 pinctrl-0 = <&sdcard_pins>;
249 pinctrl-1 = <&sdcard_clk_gate_pins>;
250 pinctrl-names = "default","clk-gate";
251
252 bus-width = <4>;
253 cap-sd-highspeed;
254 max-frequency = <50000000>;
255 disable-wp;
256
257 cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
258 vmmc-supply = <&sdcard>;
259 vqmmc-supply = <&sdcard>;
260 };
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