1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * at91-kizbox3.dts - Device Tree Include file for Overkiz Kizbox 3
4 * family SoC boards
5 *
6 * Copyright (C) 2018 Overkiz SAS
7 *
8 * Authors: Dorian Rocipon <d.rocipon@overkiz.com>
9 * Kevin Carli <k.carli@overkiz.com>
10 * Mickael Gardet <m.gardet@overkiz.com>
11 */
12 /dts-v1/;
13 #include "sama5d2.dtsi"
14 #include "sama5d2-pinfunc.h"
15 #include <dt-bindings/gpio/gpio.h>
16 #include <dt-bindings/mfd/atmel-flexcom.h>
17 #include <dt-bindings/pinctrl/at91.h>
18 #include <dt-bindings/pwm/pwm.h>
19
20 / {
21 model = "Overkiz Kizbox3";
22 compatible = "overkiz,kizbox3", "atmel,sama5d2", "atmel,sama5";
23
24 aliases {
25 serial0 = &uart0;
26 serial1 = &uart1;
27 serial2 = &uart2;
28 serial3 = &uart3;
29 serial4 = &uart4;
30 serial5 = &uart5;
31 serial6 = &uart8;
32 };
33
34 chosen {
35 bootargs = "ubi.mtd=ubi";
36 stdout-path = "serial1:115200n8";
37 };
38
39 clocks {
40 slow_xtal {
41 clock-frequency = <32768>;
42 };
43
44 main_xtal {
45 clock-frequency = <12000000>;
46 };
47 };
48
49 vdd_adc_vddana: supply_3v3_ana {
50 compatible = "regulator-fixed";
51 regulator-name = "adc-vddana";
52 regulator-min-microvolt = <3300000>;
53 regulator-max-microvolt = <3300000>;
54 regulator-always-on;
55 };
56
57 vdd_adc_vref: supply_3v3_ref {
58 compatible = "regulator-fixed";
59 regulator-name = "adc-vref";
60 regulator-min-microvolt = <3300000>;
61 regulator-max-microvolt = <3300000>;
62 regulator-always-on;
63 };
64
65 led-controller-1 {
66 compatible = "pwm-leds";
67 pinctrl-names = "default";
68 pinctrl-0 = <&pinctrl_pwm0_pwm_h0
69 &pinctrl_pwm0_pwm_h1
70 &pinctrl_pwm0_pwm_h2
71 &pinctrl_pwm0_pwm_h3>;
72 status = "disabled";
73
74 led-1 {
75 label = "pwm:red:user";
76 pwms = <&pwm0 0 10000000 0>;
77 max-brightness = <255>;
78 linux,default-trigger = "default-on";
79 status = "disabled";
80 };
81
82 led-2 {
83 label = "pwm:green:user";
84 pwms = <&pwm0 1 10000000 0>;
85 max-brightness = <255>;
86 linux,default-trigger = "default-on";
87 status = "disabled";
88 };
89
90 led-3 {
91 label = "pwm:blue:user";
92 pwms = <&pwm0 2 10000000 0>;
93 max-brightness = <255>;
94 status = "disabled";
95 };
96
97 led-4 {
98 label = "pwm:white:user";
99 pwms = <&pwm0 3 10000000 0>;
100 max-brightness = <255>;
101 status = "disabled";
102 };
103 };
104 };
105
106 &ebi {
107 status = "okay";
108 };
109
110 &nand_controller {
111 status = "okay";
112
113 nand@3 {
114 pinctrl-0 = <&pinctrl_ebi_nand_addr>;
115 pinctrl-names = "default";
116 reg = <0x3 0x0 0x800000>;
117
118 atmel,rb = <0>;
119 nand-bus-width = <8>;
120 nand-ecc-mode = "hw";
121 nand-ecc-strength = <4>;
122 nand-ecc-step-size = <512>;
123 nand-on-flash-bbt;
124 label = "atmel_nand";
125
126 partitions {
127 compatible = "fixed-partitions";
128 #address-cells = <1>;
129 #size-cells = <1>;
130
131 bootstrap@0 {
132 label = "bootstrap";
133 reg = <0x0 0x20000>;
134 };
135
136 u-boot@20000 {
137 label = "u-boot";
138 reg = <0x20000 0x140000>;
139 };
140
141 u-boot-factory@160000 {
142 label = "u-boot-factory";
143 reg = <0x160000 0x140000>;
144 };
145
146 ubi@2A0000 {
147 label = "ubi";
148 reg = <0x2A0000 0x7D60000>;
149 };
150 };
151
152 };
153 };
154
155 &rtc {
156 status = "okay";
157 };
158
159 &pioA {
160 pinctrl_ebi_nand_addr: ebi-addr-1 {
161 pinmux = <PIN_PA0__D0>,
162 <PIN_PA1__D1>,
163 <PIN_PA2__D2>,
164 <PIN_PA3__D3>,
165 <PIN_PA4__D4>,
166 <PIN_PA5__D5>,
167 <PIN_PA6__D6>,
168 <PIN_PA7__D7>,
169 <PIN_PA8__NWE_NANDWE>,
170 <PIN_PA9__NCS3>,
171 <PIN_PA10__A21_NANDALE>,
172 <PIN_PA11__A22_NANDCLE>,
173 <PIN_PA21__NANDRDY>;
174 bias-disable;
175 };
176
177 pinctrl_usart {
178 pinctrl_usart_0: usart0-0 {
179 pinmux = < PIN_PB26__URXD0>, <PIN_PB27__UTXD0>;
180 bias-disable;
181 };
182 pinctrl_usart_1: usart1-0 {
183 pinmux = < PIN_PD2__URXD1>, <PIN_PD3__UTXD1>;
184 bias-disable;
185 };
186 pinctrl_usart_2: usart2-0 {
187 pinmux = < PIN_PD4__URXD2>, <PIN_PD5__UTXD2>;
188 bias-disable;
189 };
190 pinctrl_usart_3: usart3-0 {
191 pinmux = < PIN_PC12__URXD3>, <PIN_PC13__UTXD3>;
192 bias-disable;
193 };
194 pinctrl_usart_4: usart4-0 {
195 pinmux = < PIN_PB3__URXD4>, <PIN_PB4__UTXD4>;
196 bias-disable;
197 };
198 pinctrl_flx0_default: flx0_usart_default {
199 pinmux = <PIN_PB28__FLEXCOM0_IO0>, //TX
200 <PIN_PB29__FLEXCOM0_IO1>; //RX
201 bias-disable;
202 };
203 pinctrl_flx3_default: flx3_usart_default {
204 pinmux = <PIN_PB22__FLEXCOM3_IO1>, //RX
205 <PIN_PB23__FLEXCOM3_IO0>; //TX
206 bias-disable;
207 };
208 };
209
210 pinctrl_flx4_default: flx4_i2c6_default {
211 pinmux = <PIN_PD12__FLEXCOM4_IO0>, //DATA
212 <PIN_PD13__FLEXCOM4_IO1>; //CLK
213 bias-disable;
214 drive-open-drain;
215 };
216
217 pinctrl_pwm0 {
218 pinctrl_pwm0_pwm_h0: pwm0_pwm_h0 {
219 pinmux = <PIN_PA30__PWMH0>;
220 bias-disable;
221 };
222 pinctrl_pwm0_pwm_h1: pwm0_pwmh1 {
223 pinmux = <PIN_PB0__PWMH1>;
224 bias-disable;
225 };
226 pinctrl_pwm0_pwm_h2: pwm0_pwm_h2 {
227 pinmux = <PIN_PB5__PWMH2>;
228 bias-disable;
229 };
230 pinctrl_pwm0_pwm_h3: pwm0_pwm_h3 {
231 pinmux = <PIN_PB7__PWMH3>;
232 bias-disable;
233 };
234 };
235
236 pinctrl_adc {
237 pinctrl_adc2: adc2 {
238 pinmux = <PIN_PD21__GPIO>;
239 bias-disable;
240 };
241 pinctrl_adc3: adc3 {
242 pinmux = <PIN_PD22__GPIO>;
243 bias-disable;
244 };
245 pinctrl_adc4: adc4 {
246 pinmux = <PIN_PD23__GPIO>;
247 bias-disable;
248 };
249 pinctrl_adc5: adc5 {
250 pinmux = <PIN_PD24__GPIO>;
251 bias-disable;
252 };
253 };
254 };
255
256 &uart0 {
257 pinctrl-names = "default";
258 pinctrl-0 = <&pinctrl_usart_0>;
259 atmel,use-dma-rx;
260 atmel,use-dma-tx;
261 status = "disabled";
262 };
263
264 /* debug uart */
265 &uart1 {
266 pinctrl-names = "default";
267 pinctrl-0 = <&pinctrl_usart_1>;
268 atmel,use-dma-rx;
269 atmel,use-dma-tx;
270 status = "disabled";
271 };
272
273 &uart2 {
274 pinctrl-names = "default";
275 pinctrl-0 = <&pinctrl_usart_2>;
276 atmel,use-dma-rx;
277 atmel,use-dma-tx;
278 status = "disabled";
279 };
280
281 &uart3 {
282 pinctrl-names = "default";
283 pinctrl-0 = <&pinctrl_usart_3>;
284 atmel,use-dma-rx;
285 atmel,use-dma-tx;
286 status = "disabled";
287 };
288
289 &uart4 {
290 pinctrl-names = "default";
291 pinctrl-0 = <&pinctrl_usart_4>;
292 atmel,use-dma-rx;
293 atmel,use-dma-tx;
294 status = "disabled";
295 };
296
297 &flx0 {
298 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
299 status = "disabled";
300
301 uart5: serial@200 {
302 pinctrl-names = "default";
303 pinctrl-0 = <&pinctrl_flx0_default>;
304 atmel,use-dma-rx;
305 atmel,use-dma-tx;
306 status = "disabled";
307 };
308 };
309
310 &flx3 {
311 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
312 status = "disabled";
313
314 uart8: serial@200 {
315 pinctrl-names = "default";
316 pinctrl-0 = <&pinctrl_flx3_default>;
317 atmel,use-dma-rx;
318 atmel,use-dma-tx;
319 status = "disabled";
320 };
321 };
322
323 &flx4 {
324 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
325 status = "disabled";
326
327 i2c6: i2c@600 {
328 pinctrl-names = "default";
329 pinctrl-0 = <&pinctrl_flx4_default>;
330 status = "disabled";
331 };
332 };
333
334 &pwm0 {
335 status = "okay";
336 };
337
338 &shutdown_controller {
339 debounce-delay-us = <976>;
340 atmel,wakeup-rtc-timer;
341
342 input@0 {
343 reg = <0>;
344 };
345 };
346
347 &watchdog {
348 status = "okay";
349 };
350
351 &adc {
352 pinctrl-names = "default";
353 pinctrl-0 = <&pinctrl_adc2
354 &pinctrl_adc3
355 &pinctrl_adc4
356 &pinctrl_adc5>;
357
358 vddana-supply = <&vdd_adc_vddana>;
359 vref-supply = <&vdd_adc_vref>;
360 status = "disabled";
361 };
362
363 &securam {
364 export;
365
366 /* export overkiz u-boot mode/version and factory */
367 uboot@1400 {
368 reg = <0x1400 0x20>;
369 export;
370 };
371 };
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