1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
2 /*
3 * at91-sama5d3_eds.dts - Device Tree file for the SAMA5D3 Ethernet
4 * Development System board.
5 *
6 * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
7 *
8 * Author: Jerry Ray <jerry.ray@microchip.com>
9 */
10 /dts-v1/;
11 #include "sama5d36.dtsi"
12
13 / {
14 model = "SAMA5D3 Ethernet Development System";
15 compatible = "microchip,sama5d3-eds", "atmel,sama5d36",
16 "atmel,sama5d3", "atmel,sama5";
17
18 chosen {
19 stdout-path = "serial0:115200n8";
20 };
21
22 gpio-keys {
23 compatible = "gpio-keys";
24
25 pinctrl-names = "default";
26 pinctrl-0 = <&pinctrl_key_gpio>;
27
28 button-3 {
29 label = "PB_USER";
30 gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
31 linux,code = <0x104>;
32 wakeup-source;
33 };
34 };
35
36 memory@20000000 {
37 reg = <0x20000000 0x10000000>;
38 };
39
40 vcc_3v3_reg: regulator-1 {
41 compatible = "regulator-fixed";
42 regulator-name = "VCC_3V3";
43 regulator-min-microvolt = <3300000>;
44 regulator-max-microvolt = <3300000>;
45 regulator-always-on;
46 };
47
48 vcc_2v5_reg: regulator-2 {
49 compatible = "regulator-fixed";
50 regulator-name = "VCC_2V5";
51 regulator-min-microvolt = <2500000>;
52 regulator-max-microvolt = <2500000>;
53 regulator-always-on;
54 vin-supply = <&vcc_3v3_reg>;
55 };
56
57 vcc_1v8_reg: regulator-3 {
58 compatible = "regulator-fixed";
59 regulator-name = "VCC_1V8";
60 regulator-min-microvolt = <1800000>;
61 regulator-max-microvolt = <1800000>;
62 regulator-always-on;
63 vin-supply = <&vcc_3v3_reg>;
64 };
65
66 vcc_1v2_reg: regulator-4 {
67 compatible = "regulator-fixed";
68 regulator-name = "VCC_1V2";
69 regulator-min-microvolt = <1200000>;
70 regulator-max-microvolt = <1200000>;
71 regulator-always-on;
72 };
73
74 vcc_mmc0_reg: regulator-5 {
75 compatible = "regulator-fixed";
76 regulator-name = "mmc0-card-supply";
77 regulator-min-microvolt = <3300000>;
78 regulator-max-microvolt = <3300000>;
79 regulator-always-on;
80 pinctrl-names = "default";
81 pinctrl-0 = <&pinctrl_vcc_mmc0_reg_gpio>;
82 gpio = <&pioE 2 GPIO_ACTIVE_LOW>;
83 };
84 };
85
86 &can0 {
87 status = "okay";
88 };
89
90 &dbgu {
91 status = "okay";
92 };
93
94 &ebi {
95 pinctrl-0 = <&pinctrl_ebi_nand_addr>;
96 pinctrl-names = "default";
97 status = "okay";
98
99 nand_controller: nand-controller {
100 status = "okay";
101
102 nand@3 {
103 reg = <0x3 0x0 0x2>;
104 atmel,rb = <0>;
105 nand-bus-width = <8>;
106 nand-ecc-mode = "hw";
107 nand-ecc-strength = <4>;
108 nand-ecc-step-size = <512>;
109 nand-on-flash-bbt;
110 label = "atmel_nand";
111
112 partitions {
113 compatible = "fixed-partitions";
114 #address-cells = <1>;
115 #size-cells = <1>;
116
117 at91bootstrap@0 {
118 label = "at91bootstrap";
119 reg = <0x0 0x40000>;
120 };
121
122 bootloader@40000 {
123 label = "bootloader";
124 reg = <0x40000 0xc0000>;
125 };
126
127 bootloaderenvred@100000 {
128 label = "bootloader env redundant";
129 reg = <0x100000 0x40000>;
130 };
131
132 bootloaderenv@140000 {
133 label = "bootloader env";
134 reg = <0x140000 0x40000>;
135 };
136
137 dtb@180000 {
138 label = "device tree";
139 reg = <0x180000 0x80000>;
140 };
141
142 kernel@200000 {
143 label = "kernel";
144 reg = <0x200000 0x600000>;
145 };
146
147 rootfs@800000 {
148 label = "rootfs";
149 reg = <0x800000 0x0f800000>;
150 };
151 };
152 };
153 };
154 };
155
156 &i2c0 {
157 pinctrl-0 = <&pinctrl_i2c0_pu>;
158 status = "okay";
159 };
160
161 &i2c1 {
162 status = "okay";
163 };
164
165 &i2c2 {
166 pinctrl-0 = <&pinctrl_i2c2_pu>;
167 status = "okay";
168 };
169
170 &main_xtal {
171 clock-frequency = <12000000>;
172 };
173
174 &mmc0 {
175 pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3
176 &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
177 vmmc-supply = <&vcc_mmc0_reg>;
178 vqmmc-supply = <&vcc_3v3_reg>;
179 status = "okay";
180 slot@0 {
181 reg = <0>;
182 bus-width = <8>;
183 cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>;
184 };
185 };
186
187 &pinctrl {
188 board {
189 pinctrl_i2c0_pu: i2c0-pu {
190 atmel,pins =
191 <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
192 <AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
193 };
194
195 pinctrl_i2c2_pu: i2c2-pu {
196 atmel,pins =
197 <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>,
198 <AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
199 };
200
201 pinctrl_key_gpio: key-gpio-0 {
202 atmel,pins =
203 <AT91_PIOE 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
204 };
205
206 pinctrl_mmc0_cd: mmc0-cd {
207 atmel,pins =
208 <AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
209 };
210
211 /* Reserved for reset signal to the RGMII connector. */
212 pinctrl_rgmii_rstn: rgmii-rstn {
213 atmel,pins =
214 <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
215 };
216
217 /* Reserved for an interrupt line from the RMII and RGMII connectors. */
218 pinctrl_spi_irqn: spi-irqn {
219 atmel,pins =
220 <AT91_PIOB 28 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
221 };
222
223 pinctrl_spi0_cs: spi0-cs-default {
224 atmel,pins =
225 <AT91_PIOD 13 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
226 AT91_PIOD 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
227 };
228
229 pinctrl_spi1_cs: spi1-cs-default {
230 atmel,pins = <AT91_PIOC 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
231 AT91_PIOC 28 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
232 };
233
234 pinctrl_usba_vbus: usba-vbus {
235 atmel,pins =
236 <AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
237 };
238
239 pinctrl_usb_default: usb-default {
240 atmel,pins =
241 <AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
242 AT91_PIOE 4 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
243 };
244
245 /* Reserved for VBUS fault interrupt. */
246 pinctrl_vbusfault_irqn: vbusfault-irqn {
247 atmel,pins =
248 <AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
249 };
250
251 pinctrl_vcc_mmc0_reg_gpio: vcc-mmc0-reg-gpio-default {
252 atmel,pins = <AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
253 };
254 };
255 };
256
257 &slow_xtal {
258 clock-frequency = <32768>;
259 };
260
261 &spi0 {
262 pinctrl-names = "default", "cs";
263 pinctrl-1 = <&pinctrl_spi0_cs>;
264 cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>;
265 status = "okay";
266 };
267
268 &spi1 {
269 pinctrl-names = "default", "cs";
270 pinctrl-1 = <&pinctrl_spi1_cs>;
271 cs-gpios = <&pioC 25 0>, <0>, <0>, <&pioC 28 0>;
272 status = "okay";
273 };
274
275 &tcb0 {
276 timer0: timer@0 {
277 compatible = "atmel,tcb-timer";
278 reg = <0>;
279 };
280
281 timer1: timer@1 {
282 compatible = "atmel,tcb-timer";
283 reg = <1>;
284 };
285 };
286
287 &usb0 { /* USB Device port with VBUS detection. */
288 atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>;
289 pinctrl-names = "default";
290 pinctrl-0 = <&pinctrl_usba_vbus>;
291 status = "okay";
292 };
293
294 &usb1 { /* 3-port Host. First port is unused. */
295 atmel,vbus-gpio = <0
296 &pioE 3 GPIO_ACTIVE_HIGH
297 &pioE 4 GPIO_ACTIVE_HIGH
298 >;
299 num-ports = <3>;
300 pinctrl-names = "default";
301 pinctrl-0 = <&pinctrl_usb_default>;
302 status = "okay";
303 };
304
305 &usb2 {
306 status = "okay";
307 };
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