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		reg = <0x10000000 0x40000000>;
52	};
53
54	reg_3p3v: regulator-3p3v {
55		compatible = "regulator-fixed";
56		regulator-name = "3P3V";
57		regulator-min-microvolt = <3300000>;
58		regulator-max-microvolt = <3300000>;
59	};
60
61	reg_usb_otg_vbus: regulator-usb-otg-vbus {
62		compatible = "regulator-fixed";
63		regulator-name = "usb_otg_vbus";
64		regulator-min-microvolt = <5000000>;
65		regulator-max-microvolt = <5000000>;
66		gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
67		enable-active-high;
68	};
69
70	leds {
71		compatible = "gpio-leds";
72		pinctrl-names = "default";
73		pinctrl-0 = <&pinctrl_led>;
74
75		user1 {
76			label = "imx6:green:user1";
77			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
78			default-state = "off";
79			linux,default-trigger = "heartbeat";
80		};
81
82		user2 {
83			label = "imx6:green:user2";
84			gpios = <&gpio3 28 GPIO_ACTIVE_LOW>;
85			default-state = "off";
86		};
87	};
88};
89
90&audmux {
91	pinctrl-names = "default";
92	pinctrl-0 = <&pinctrl_audmux>;
93	status = "okay";
94};
95
96&ecspi1 {
97	pinctrl-names = "default";
98	pinctrl-0 = <&pinctrl_ecspi1>;
99	cs-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
100	status = "okay";
101
102	m25p80@0 {
103		compatible = "microchip,sst25vf016b";
104		spi-max-frequency = <20000000>;
105		reg = <0>;
106	};
107};
108
109&fec {
110	pinctrl-names = "default";
111	pinctrl-0 = <&pinctrl_enet>;
112	phy-mode = "rgmii";
113	phy-reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
114	status = "okay";
115};
116
117&hdmi {
118	ddc-i2c-bus = <&i2c2>;
119	status = "okay";
120};
121
122&i2c1 {
123	clock-frequency = <100000>;
124	pinctrl-names = "default";
125	pinctrl-0 = <&pinctrl_i2c1>;
126	status = "okay";
127};
128
129&i2c2 {
130	clock-frequency = <100000>;
131	pinctrl-names = "default";
132	pinctrl-0 = <&pinctrl_i2c2>;
133	status = "okay";
134};
135
136&i2c3 {
137	clock-frequency = <100000>;
138	pinctrl-names = "default";
139	pinctrl-0 = <&pinctrl_i2c3>;
140	status = "okay";
141};
142
143&pwm1 {
144	pinctrl-names = "default";
145	pinctrl-0 = <&pinctrl_pwm1>;
146	status = "okay";
147};
148
149&pwm2 {
150	pinctrl-names = "default";
151	pinctrl-0 = <&pinctrl_pwm2>;
152	status = "okay";
153};
154
155&pwm3 {
156	pinctrl-names = "default";
157	pinctrl-0 = <&pinctrl_pwm3>;
158	status = "okay";
159};
160
161&pwm4 {
162	pinctrl-names = "default";
163	pinctrl-0 = <&pinctrl_pwm4>;
164	status = "okay";
165};
166
167&uart1 {
168	pinctrl-names = "default";
169	pinctrl-0 = <&pinctrl_uart1>;
170	status = "okay";
171};
172
173&uart2 {
174	pinctrl-names = "default";
175	pinctrl-0 = <&pinctrl_uart2>;
176	status = "okay";
177};
178
179&uart3 {
180	pinctrl-names = "default";
181	pinctrl-0 = <&pinctrl_uart3>;
182	status = "okay";
183};
184
185&uart4 {
186	pinctrl-names = "default";
187	pinctrl-0 = <&pinctrl_uart4>;
188	status = "okay";
189};
190
191&uart5 {
192	pinctrl-names = "default";
193	pinctrl-0 = <&pinctrl_uart5>;
194	status = "okay";
195};
196
197&usbh1 {
198	dr_mode = "host";
199	disable-over-current;
200	status = "okay";
201};
202
203&usbotg {
204	vbus-supply = <&reg_usb_otg_vbus>;
205	pinctrl-names = "default";
206	pinctrl-0 = <&pinctrl_usbotg>;
207	dr_mode = "otg";
208	disable-over-current;
209	status = "okay";
210};
211
212&usdhc2 {
213	pinctrl-names = "default";
214	pinctrl-0 = <&pinctrl_usdhc2>;
215	vmmc-supply = <&reg_3p3v>;
216	cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
217	wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
218	status = "okay";
219};
220
221&usdhc3 {
222	pinctrl-names = "default";
223	pinctrl-0 = <&pinctrl_usdhc3>;
224	vmmc-supply = <&reg_3p3v>;
225	non-removable;
226	status = "okay";
227};
228
229&iomuxc {
230
231	pinctrl_audmux: audmuxgrp {
232		fsl,pins = <
233			MX6QDL_PAD_CSI0_DAT7__AUD3_RXD		0x130b0
234			MX6QDL_PAD_CSI0_DAT4__AUD3_TXC		0x130b0
235			MX6QDL_PAD_CSI0_DAT5__AUD3_TXD		0x110b0
236			MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS		0x130b0
237			MX6QDL_PAD_GPIO_0__CCM_CLKO1		0x130b0	/* CAM_MCLK */
238		>;
239	};
240
241	pinctrl_ecspi1: ecspi1grp {
242		fsl,pins = <
243			MX6QDL_PAD_EIM_D16__ECSPI1_SCLK		0x100b1
244			MX6QDL_PAD_EIM_D17__ECSPI1_MISO		0x100b1
245			MX6QDL_PAD_EIM_D18__ECSPI1_MOSI		0x100b1
246			MX6QDL_PAD_EIM_EB2__GPIO2_IO30		0x000b1	/* CS0 */
247		>;
248	};
249
250	pinctrl_enet: enetgrp {
251		fsl,pins = <
252			MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b0b0
253			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
254			MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x1b030
255			MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b030
256			MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b030
257			MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b030
258			MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b030
259			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b030
260			/* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
261			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x0a0b1
262			/* AR8035 pin strapping: IO voltage: pull up */
263			MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b030
264			/* AR8035 pin strapping: PHYADDR#0: pull down */
265			MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x13030
266			/* AR8035 pin strapping: PHYADDR#1: pull down */
267			MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x13030
268			/* AR8035 pin strapping: MODE#1: pull up */
269			MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b030
270			/* AR8035 pin strapping: MODE#3: pull up */
271			MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b030
272			/* AR8035 pin strapping: MODE#0: pull down */
273			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x13030
274			/* GPIO16 -> AR8035 25MHz */
275			MX6QDL_PAD_GPIO_16__ENET_REF_CLK	0x4001b0a8
276			/* RGMII_nRST */
277			MX6QDL_PAD_EIM_D31__GPIO3_IO31		0x130b0
278			/* AR8035 interrupt */
279			MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28	0x180b0
280		>;
281	};
282
283	pinctrl_i2c1: i2c1grp {
284		fsl,pins = <
285			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA		0x4001b8b1
286			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL		0x4001b8b1
287		>;
288	};
289
290	pinctrl_i2c2: i2c2grp {
291		fsl,pins = <
292			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1
293			MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1
294		>;
295	};
296
297	pinctrl_i2c3: i2c3grp {
298		fsl,pins = <
299			MX6QDL_PAD_GPIO_5__I2C3_SCL		0x4001b8b1
300			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
301		>;
302	};
303
304	pinctrl_led: ledgrp {
305		fsl,pins = <
306			MX6QDL_PAD_EIM_A25__GPIO5_IO02		0x1b0b1	/* LED1 */
307			MX6QDL_PAD_EIM_D28__GPIO3_IO28		0x1b0b1	/* LED2 */
308		>;
309	};
310
311	pinctrl_pwm1: pwm1grp {
312		fsl,pins = <
313			MX6QDL_PAD_DISP0_DAT8__PWM1_OUT		0x1b0b1
314		>;
315	};
316
317	pinctrl_pwm2: pwm2grp {
318		fsl,pins = <
319			MX6QDL_PAD_DISP0_DAT9__PWM2_OUT		0x1b0b1
320		>;
321	};
322
323	pinctrl_pwm3: pwm3grp {
324		fsl,pins = <
325			MX6QDL_PAD_SD1_DAT1__PWM3_OUT		0x1b0b1
326		>;
327	};
328
329	pinctrl_pwm4: pwm4grp {
330		fsl,pins = <
331			MX6QDL_PAD_SD1_CMD__PWM4_OUT		0x1b0b1
332		>;
333	};
334
335	pinctrl_uart1: uart1grp {
336		fsl,pins = <
337			MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA	0x1b0b1
338			MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA	0x1b0b1
339		>;
340	};
341
342	pinctrl_uart2: uart2grp {
343		fsl,pins = <
344			MX6QDL_PAD_EIM_D26__UART2_TX_DATA	0x1b0b1
345			MX6QDL_PAD_EIM_D27__UART2_RX_DATA	0x1b0b1
346		>;
347	};
348
349	pinctrl_uart3: uart3grp {
350		fsl,pins = <
351			MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
352			MX6QDL_PAD_EIM_D25__UART3_RX_DATA	0x1b0b1
353		>;
354	};
355
356	pinctrl_uart4: uart4grp {
357		fsl,pins = <
358			MX6QDL_PAD_KEY_COL0__UART4_TX_DATA	0x1b0b1
359			MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA	0x1b0b1
360		>;
361	};
362
363	pinctrl_uart5: uart5grp {
364		fsl,pins = <
365			MX6QDL_PAD_KEY_COL1__UART5_TX_DATA	0x1b0b1
366			MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA	0x1b0b1
367		>;
368	};
369
370	pinctrl_usbotg: usbotggrp {
371		fsl,pins = <
372			MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID	0x17059
373			MX6QDL_PAD_EIM_D21__USB_OTG_OC		0x1b0b0
374			MX6QDL_PAD_EIM_D22__GPIO3_IO22		0x000b0	/* USB OTG POWER ENABLE */
375		>;
376	};
377
378	pinctrl_usdhc2: usdhc2grp {
379		fsl,pins = <
380			MX6QDL_PAD_SD2_CMD__SD2_CMD		0x17059
381			MX6QDL_PAD_SD2_CLK__SD2_CLK		0x10059
382			MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x17059
383			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x17059
384			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x17059
385			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x17059
386			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x1b0b0	/* CD */
387			MX6QDL_PAD_GPIO_2__GPIO1_IO02		0x1f0b0	/* WP */
388		>;
389	};
390
391	pinctrl_usdhc3: usdhc3grp {
392		fsl,pins = <
393			MX6QDL_PAD_SD3_CMD__SD3_CMD		0x17009
394			MX6QDL_PAD_SD3_CLK__SD3_CLK		0x10009
395			MX6QDL_PAD_SD3_DAT0__SD3_DATA0		0x17009
396			MX6QDL_PAD_SD3_DAT1__SD3_DATA1		0x17009
397			MX6QDL_PAD_SD3_DAT2__SD3_DATA2		0x17009
398			MX6QDL_PAD_SD3_DAT3__SD3_DATA3		0x17009
399			MX6QDL_PAD_SD3_RST__SD3_RESET		0x17009
400		>;
401	};
402};
403