1 /*
2 * Copyright (C) 2016 Sergio Prado (sergio.prado@e-labworks.com)
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 * a) This file is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This file is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * Or, alternatively,
19 *
20 * b) Permission is hereby granted, free of charge, to any person
21 * obtaining a copy of this software and associated documentation
22 * files (the "Software"), to deal in the Software without
23 * restriction, including without limitation the rights to use,
24 * copy, modify, merge, publish, distribute, sublicense, and/or
25 * sell copies of the Software, and to permit persons to whom the
26 * Software is furnished to do so, subject to the following
27 * conditions:
28 *
29 * The above copyright notice and this permission notice shall be
30 * included in all copies or substantial portions of the Software.
31 *
32 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
34 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
35 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
36 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
37 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
38 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
39 * OTHER DEALINGS IN THE SOFTWARE.
40 */
41
42 /dts-v1/;
43 #include "imx6q.dtsi"
44 #include <dt-bindings/gpio/gpio.h>
45
46 / {
47 model = "Embest MarS Board i.MX6Dual";
48 compatible = "embest,imx6q-marsboard", "fsl,imx6q";
49
50 memory@10000000 {
51 device_type = "memory";
52 reg = <0x10000000 0x40000000>;
53 };
54
55 reg_3p3v: regulator-3p3v {
56 compatible = "regulator-fixed";
57 regulator-name = "3P3V";
58 regulator-min-microvolt = <3300000>;
59 regulator-max-microvolt = <3300000>;
60 };
61
62 reg_usb_otg_vbus: regulator-usb-otg-vbus {
63 compatible = "regulator-fixed";
64 regulator-name = "usb_otg_vbus";
65 regulator-min-microvolt = <5000000>;
66 regulator-max-microvolt = <5000000>;
67 gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
68 enable-active-high;
69 };
70
71 leds {
72 compatible = "gpio-leds";
73 pinctrl-names = "default";
74 pinctrl-0 = <&pinctrl_led>;
75
76 led-user1 {
77 label = "imx6:green:user1";
78 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
79 default-state = "off";
80 linux,default-trigger = "heartbeat";
81 };
82
83 led-user2 {
84 label = "imx6:green:user2";
85 gpios = <&gpio3 28 GPIO_ACTIVE_LOW>;
86 default-state = "off";
87 };
88 };
89 };
90
91 &audmux {
92 pinctrl-names = "default";
93 pinctrl-0 = <&pinctrl_audmux>;
94 status = "okay";
95 };
96
97 &ecspi1 {
98 pinctrl-names = "default";
99 pinctrl-0 = <&pinctrl_ecspi1>;
100 cs-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
101 status = "okay";
102
103 flash@0 {
104 compatible = "microchip,sst25vf016b";
105 spi-max-frequency = <20000000>;
106 reg = <0>;
107 };
108 };
109
110 &fec {
111 pinctrl-names = "default";
112 pinctrl-0 = <&pinctrl_enet>;
113 phy-mode = "rgmii-id";
114 phy-handle = <&rgmii_phy>;
115 status = "okay";
116
117 mdio {
118 #address-cells = <1>;
119 #size-cells = <0>;
120
121 /* Atheros AR8035 PHY */
122 rgmii_phy: ethernet-phy@4 {
123 reg = <4>;
124 interrupts-extended = <&gpio1 28 IRQ_TYPE_LEVEL_LOW>;
125 reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
126 reset-assert-us = <10000>;
127 reset-deassert-us = <1000>;
128 };
129 };
130 };
131
132 &hdmi {
133 ddc-i2c-bus = <&i2c2>;
134 status = "okay";
135 };
136
137 &i2c1 {
138 clock-frequency = <100000>;
139 pinctrl-names = "default";
140 pinctrl-0 = <&pinctrl_i2c1>;
141 status = "okay";
142 };
143
144 &i2c2 {
145 clock-frequency = <100000>;
146 pinctrl-names = "default";
147 pinctrl-0 = <&pinctrl_i2c2>;
148 status = "okay";
149 };
150
151 &i2c3 {
152 clock-frequency = <100000>;
153 pinctrl-names = "default";
154 pinctrl-0 = <&pinctrl_i2c3>;
155 status = "okay";
156 };
157
158 &pwm1 {
159 pinctrl-names = "default";
160 pinctrl-0 = <&pinctrl_pwm1>;
161 status = "okay";
162 };
163
164 &pwm2 {
165 pinctrl-names = "default";
166 pinctrl-0 = <&pinctrl_pwm2>;
167 status = "okay";
168 };
169
170 &pwm3 {
171 pinctrl-names = "default";
172 pinctrl-0 = <&pinctrl_pwm3>;
173 status = "okay";
174 };
175
176 &pwm4 {
177 pinctrl-names = "default";
178 pinctrl-0 = <&pinctrl_pwm4>;
179 status = "okay";
180 };
181
182 &uart1 {
183 pinctrl-names = "default";
184 pinctrl-0 = <&pinctrl_uart1>;
185 status = "okay";
186 };
187
188 &uart2 {
189 pinctrl-names = "default";
190 pinctrl-0 = <&pinctrl_uart2>;
191 status = "okay";
192 };
193
194 &uart3 {
195 pinctrl-names = "default";
196 pinctrl-0 = <&pinctrl_uart3>;
197 status = "okay";
198 };
199
200 &uart4 {
201 pinctrl-names = "default";
202 pinctrl-0 = <&pinctrl_uart4>;
203 status = "okay";
204 };
205
206 &uart5 {
207 pinctrl-names = "default";
208 pinctrl-0 = <&pinctrl_uart5>;
209 status = "okay";
210 };
211
212 &usbh1 {
213 dr_mode = "host";
214 disable-over-current;
215 status = "okay";
216 };
217
218 &usbotg {
219 vbus-supply = <®_usb_otg_vbus>;
220 pinctrl-names = "default";
221 pinctrl-0 = <&pinctrl_usbotg>;
222 dr_mode = "otg";
223 disable-over-current;
224 status = "okay";
225 };
226
227 &usdhc2 {
228 pinctrl-names = "default";
229 pinctrl-0 = <&pinctrl_usdhc2>;
230 vmmc-supply = <®_3p3v>;
231 cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
232 wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
233 status = "okay";
234 };
235
236 &usdhc3 {
237 pinctrl-names = "default";
238 pinctrl-0 = <&pinctrl_usdhc3>;
239 vmmc-supply = <®_3p3v>;
240 non-removable;
241 status = "okay";
242 };
243
244 &iomuxc {
245
246 pinctrl_audmux: audmuxgrp {
247 fsl,pins = <
248 MX6QDL_PAD_CSI0_DAT7__AUD3_RXD 0x130b0
249 MX6QDL_PAD_CSI0_DAT4__AUD3_TXC 0x130b0
250 MX6QDL_PAD_CSI0_DAT5__AUD3_TXD 0x110b0
251 MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x130b0
252 MX6QDL_PAD_GPIO_0__CCM_CLKO1 0x130b0 /* CAM_MCLK */
253 >;
254 };
255
256 pinctrl_ecspi1: ecspi1grp {
257 fsl,pins = <
258 MX6QDL_PAD_EIM_D16__ECSPI1_SCLK 0x100b1
259 MX6QDL_PAD_EIM_D17__ECSPI1_MISO 0x100b1
260 MX6QDL_PAD_EIM_D18__ECSPI1_MOSI 0x100b1
261 MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x000b1 /* CS0 */
262 >;
263 };
264
265 pinctrl_enet: enetgrp {
266 fsl,pins = <
267 MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
268 MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
269 MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b030
270 MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b030
271 MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b030
272 MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b030
273 MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b030
274 MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b030
275 /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
276 MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x0a0b1
277 /* AR8035 pin strapping: IO voltage: pull up */
278 MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030
279 /* AR8035 pin strapping: PHYADDR#0: pull down */
280 MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x13030
281 /* AR8035 pin strapping: PHYADDR#1: pull down */
282 MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x13030
283 /* AR8035 pin strapping: MODE#1: pull up */
284 MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030
285 /* AR8035 pin strapping: MODE#3: pull up */
286 MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030
287 /* AR8035 pin strapping: MODE#0: pull down */
288 MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x13030
289 /* GPIO16 -> AR8035 25MHz */
290 MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0a8
291 /* RGMII_nRST */
292 MX6QDL_PAD_EIM_D31__GPIO3_IO31 0x130b0
293 /* AR8035 interrupt */
294 MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28 0x180b0
295 >;
296 };
297
298 pinctrl_i2c1: i2c1grp {
299 fsl,pins = <
300 MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1
301 MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1
302 >;
303 };
304
305 pinctrl_i2c2: i2c2grp {
306 fsl,pins = <
307 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
308 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
309 >;
310 };
311
312 pinctrl_i2c3: i2c3grp {
313 fsl,pins = <
314 MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
315 MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
316 >;
317 };
318
319 pinctrl_led: ledgrp {
320 fsl,pins = <
321 MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x1b0b1 /* LED1 */
322 MX6QDL_PAD_EIM_D28__GPIO3_IO28 0x1b0b1 /* LED2 */
323 >;
324 };
325
326 pinctrl_pwm1: pwm1grp {
327 fsl,pins = <
328 MX6QDL_PAD_DISP0_DAT8__PWM1_OUT 0x1b0b1
329 >;
330 };
331
332 pinctrl_pwm2: pwm2grp {
333 fsl,pins = <
334 MX6QDL_PAD_DISP0_DAT9__PWM2_OUT 0x1b0b1
335 >;
336 };
337
338 pinctrl_pwm3: pwm3grp {
339 fsl,pins = <
340 MX6QDL_PAD_SD1_DAT1__PWM3_OUT 0x1b0b1
341 >;
342 };
343
344 pinctrl_pwm4: pwm4grp {
345 fsl,pins = <
346 MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
347 >;
348 };
349
350 pinctrl_uart1: uart1grp {
351 fsl,pins = <
352 MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
353 MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
354 >;
355 };
356
357 pinctrl_uart2: uart2grp {
358 fsl,pins = <
359 MX6QDL_PAD_EIM_D26__UART2_TX_DATA 0x1b0b1
360 MX6QDL_PAD_EIM_D27__UART2_RX_DATA 0x1b0b1
361 >;
362 };
363
364 pinctrl_uart3: uart3grp {
365 fsl,pins = <
366 MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1
367 MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b1
368 >;
369 };
370
371 pinctrl_uart4: uart4grp {
372 fsl,pins = <
373 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
374 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
375 >;
376 };
377
378 pinctrl_uart5: uart5grp {
379 fsl,pins = <
380 MX6QDL_PAD_KEY_COL1__UART5_TX_DATA 0x1b0b1
381 MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA 0x1b0b1
382 >;
383 };
384
385 pinctrl_usbotg: usbotggrp {
386 fsl,pins = <
387 MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x17059
388 MX6QDL_PAD_EIM_D21__USB_OTG_OC 0x1b0b0
389 MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x000b0 /* USB OTG POWER ENABLE */
390 >;
391 };
392
393 pinctrl_usdhc2: usdhc2grp {
394 fsl,pins = <
395 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059
396 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059
397 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059
398 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059
399 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
400 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059
401 MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x1b0b0 /* CD */
402 MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1f0b0 /* WP */
403 >;
404 };
405
406 pinctrl_usdhc3: usdhc3grp {
407 fsl,pins = <
408 MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17009
409 MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10009
410 MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17009
411 MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17009
412 MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17009
413 MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17009
414 MX6QDL_PAD_SD3_RST__SD3_RESET 0x17009
415 >;
416 };
417 };
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