0001 /*
0002 * Copyright (C) 2016 Sergio Prado (sergio.prado@e-labworks.com)
0003 *
0004 * This file is dual-licensed: you can use it either under the terms
0005 * of the GPL or the X11 license, at your option. Note that this dual
0006 * licensing only applies to this file, and not this project as a
0007 * whole.
0008 *
0009 * a) This file is free software; you can redistribute it and/or
0010 * modify it under the terms of the GNU General Public License
0011 * version 2 as published by the Free Software Foundation.
0012 *
0013 * This file is distributed in the hope that it will be useful,
0014 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0016 * GNU General Public License for more details.
0017 *
0018 * Or, alternatively,
0019 *
0020 * b) Permission is hereby granted, free of charge, to any person
0021 * obtaining a copy of this software and associated documentation
0022 * files (the "Software"), to deal in the Software without
0023 * restriction, including without limitation the rights to use,
0024 * copy, modify, merge, publish, distribute, sublicense, and/or
0025 * sell copies of the Software, and to permit persons to whom the
0026 * Software is furnished to do so, subject to the following
0027 * conditions:
0028 *
0029 * The above copyright notice and this permission notice shall be
0030 * included in all copies or substantial portions of the Software.
0031 *
0032 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0033 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0034 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0035 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0036 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0037 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0038 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0039 * OTHER DEALINGS IN THE SOFTWARE.
0040 */
0041
0042 /dts-v1/;
0043 #include "imx6q.dtsi"
0044 #include <dt-bindings/gpio/gpio.h>
0045
0046 / {
0047 model = "Embest MarS Board i.MX6Dual";
0048 compatible = "embest,imx6q-marsboard", "fsl,imx6q";
0049
0050 memory@10000000 {
0051 device_type = "memory";
0052 reg = <0x10000000 0x40000000>;
0053 };
0054
0055 reg_3p3v: regulator-3p3v {
0056 compatible = "regulator-fixed";
0057 regulator-name = "3P3V";
0058 regulator-min-microvolt = <3300000>;
0059 regulator-max-microvolt = <3300000>;
0060 };
0061
0062 reg_usb_otg_vbus: regulator-usb-otg-vbus {
0063 compatible = "regulator-fixed";
0064 regulator-name = "usb_otg_vbus";
0065 regulator-min-microvolt = <5000000>;
0066 regulator-max-microvolt = <5000000>;
0067 gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
0068 enable-active-high;
0069 };
0070
0071 leds {
0072 compatible = "gpio-leds";
0073 pinctrl-names = "default";
0074 pinctrl-0 = <&pinctrl_led>;
0075
0076 user1 {
0077 label = "imx6:green:user1";
0078 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
0079 default-state = "off";
0080 linux,default-trigger = "heartbeat";
0081 };
0082
0083 user2 {
0084 label = "imx6:green:user2";
0085 gpios = <&gpio3 28 GPIO_ACTIVE_LOW>;
0086 default-state = "off";
0087 };
0088 };
0089 };
0090
0091 &audmux {
0092 pinctrl-names = "default";
0093 pinctrl-0 = <&pinctrl_audmux>;
0094 status = "okay";
0095 };
0096
0097 &ecspi1 {
0098 pinctrl-names = "default";
0099 pinctrl-0 = <&pinctrl_ecspi1>;
0100 cs-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
0101 status = "okay";
0102
0103 flash@0 {
0104 compatible = "microchip,sst25vf016b";
0105 spi-max-frequency = <20000000>;
0106 reg = <0>;
0107 };
0108 };
0109
0110 &fec {
0111 pinctrl-names = "default";
0112 pinctrl-0 = <&pinctrl_enet>;
0113 phy-mode = "rgmii-id";
0114 phy-handle = <&rgmii_phy>;
0115 status = "okay";
0116
0117 mdio {
0118 #address-cells = <1>;
0119 #size-cells = <0>;
0120
0121 /* Atheros AR8035 PHY */
0122 rgmii_phy: ethernet-phy@4 {
0123 reg = <4>;
0124 interrupts-extended = <&gpio1 28 IRQ_TYPE_LEVEL_LOW>;
0125 reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
0126 reset-assert-us = <10000>;
0127 reset-deassert-us = <1000>;
0128 };
0129 };
0130 };
0131
0132 &hdmi {
0133 ddc-i2c-bus = <&i2c2>;
0134 status = "okay";
0135 };
0136
0137 &i2c1 {
0138 clock-frequency = <100000>;
0139 pinctrl-names = "default";
0140 pinctrl-0 = <&pinctrl_i2c1>;
0141 status = "okay";
0142 };
0143
0144 &i2c2 {
0145 clock-frequency = <100000>;
0146 pinctrl-names = "default";
0147 pinctrl-0 = <&pinctrl_i2c2>;
0148 status = "okay";
0149 };
0150
0151 &i2c3 {
0152 clock-frequency = <100000>;
0153 pinctrl-names = "default";
0154 pinctrl-0 = <&pinctrl_i2c3>;
0155 status = "okay";
0156 };
0157
0158 &pwm1 {
0159 pinctrl-names = "default";
0160 pinctrl-0 = <&pinctrl_pwm1>;
0161 status = "okay";
0162 };
0163
0164 &pwm2 {
0165 pinctrl-names = "default";
0166 pinctrl-0 = <&pinctrl_pwm2>;
0167 status = "okay";
0168 };
0169
0170 &pwm3 {
0171 pinctrl-names = "default";
0172 pinctrl-0 = <&pinctrl_pwm3>;
0173 status = "okay";
0174 };
0175
0176 &pwm4 {
0177 pinctrl-names = "default";
0178 pinctrl-0 = <&pinctrl_pwm4>;
0179 status = "okay";
0180 };
0181
0182 &uart1 {
0183 pinctrl-names = "default";
0184 pinctrl-0 = <&pinctrl_uart1>;
0185 status = "okay";
0186 };
0187
0188 &uart2 {
0189 pinctrl-names = "default";
0190 pinctrl-0 = <&pinctrl_uart2>;
0191 status = "okay";
0192 };
0193
0194 &uart3 {
0195 pinctrl-names = "default";
0196 pinctrl-0 = <&pinctrl_uart3>;
0197 status = "okay";
0198 };
0199
0200 &uart4 {
0201 pinctrl-names = "default";
0202 pinctrl-0 = <&pinctrl_uart4>;
0203 status = "okay";
0204 };
0205
0206 &uart5 {
0207 pinctrl-names = "default";
0208 pinctrl-0 = <&pinctrl_uart5>;
0209 status = "okay";
0210 };
0211
0212 &usbh1 {
0213 dr_mode = "host";
0214 disable-over-current;
0215 status = "okay";
0216 };
0217
0218 &usbotg {
0219 vbus-supply = <®_usb_otg_vbus>;
0220 pinctrl-names = "default";
0221 pinctrl-0 = <&pinctrl_usbotg>;
0222 dr_mode = "otg";
0223 disable-over-current;
0224 status = "okay";
0225 };
0226
0227 &usdhc2 {
0228 pinctrl-names = "default";
0229 pinctrl-0 = <&pinctrl_usdhc2>;
0230 vmmc-supply = <®_3p3v>;
0231 cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
0232 wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
0233 status = "okay";
0234 };
0235
0236 &usdhc3 {
0237 pinctrl-names = "default";
0238 pinctrl-0 = <&pinctrl_usdhc3>;
0239 vmmc-supply = <®_3p3v>;
0240 non-removable;
0241 status = "okay";
0242 };
0243
0244 &iomuxc {
0245
0246 pinctrl_audmux: audmuxgrp {
0247 fsl,pins = <
0248 MX6QDL_PAD_CSI0_DAT7__AUD3_RXD 0x130b0
0249 MX6QDL_PAD_CSI0_DAT4__AUD3_TXC 0x130b0
0250 MX6QDL_PAD_CSI0_DAT5__AUD3_TXD 0x110b0
0251 MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x130b0
0252 MX6QDL_PAD_GPIO_0__CCM_CLKO1 0x130b0 /* CAM_MCLK */
0253 >;
0254 };
0255
0256 pinctrl_ecspi1: ecspi1grp {
0257 fsl,pins = <
0258 MX6QDL_PAD_EIM_D16__ECSPI1_SCLK 0x100b1
0259 MX6QDL_PAD_EIM_D17__ECSPI1_MISO 0x100b1
0260 MX6QDL_PAD_EIM_D18__ECSPI1_MOSI 0x100b1
0261 MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x000b1 /* CS0 */
0262 >;
0263 };
0264
0265 pinctrl_enet: enetgrp {
0266 fsl,pins = <
0267 MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
0268 MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
0269 MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b030
0270 MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b030
0271 MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b030
0272 MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b030
0273 MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b030
0274 MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b030
0275 /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
0276 MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x0a0b1
0277 /* AR8035 pin strapping: IO voltage: pull up */
0278 MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030
0279 /* AR8035 pin strapping: PHYADDR#0: pull down */
0280 MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x13030
0281 /* AR8035 pin strapping: PHYADDR#1: pull down */
0282 MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x13030
0283 /* AR8035 pin strapping: MODE#1: pull up */
0284 MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030
0285 /* AR8035 pin strapping: MODE#3: pull up */
0286 MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030
0287 /* AR8035 pin strapping: MODE#0: pull down */
0288 MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x13030
0289 /* GPIO16 -> AR8035 25MHz */
0290 MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0a8
0291 /* RGMII_nRST */
0292 MX6QDL_PAD_EIM_D31__GPIO3_IO31 0x130b0
0293 /* AR8035 interrupt */
0294 MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28 0x180b0
0295 >;
0296 };
0297
0298 pinctrl_i2c1: i2c1grp {
0299 fsl,pins = <
0300 MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1
0301 MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1
0302 >;
0303 };
0304
0305 pinctrl_i2c2: i2c2grp {
0306 fsl,pins = <
0307 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
0308 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
0309 >;
0310 };
0311
0312 pinctrl_i2c3: i2c3grp {
0313 fsl,pins = <
0314 MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
0315 MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
0316 >;
0317 };
0318
0319 pinctrl_led: ledgrp {
0320 fsl,pins = <
0321 MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x1b0b1 /* LED1 */
0322 MX6QDL_PAD_EIM_D28__GPIO3_IO28 0x1b0b1 /* LED2 */
0323 >;
0324 };
0325
0326 pinctrl_pwm1: pwm1grp {
0327 fsl,pins = <
0328 MX6QDL_PAD_DISP0_DAT8__PWM1_OUT 0x1b0b1
0329 >;
0330 };
0331
0332 pinctrl_pwm2: pwm2grp {
0333 fsl,pins = <
0334 MX6QDL_PAD_DISP0_DAT9__PWM2_OUT 0x1b0b1
0335 >;
0336 };
0337
0338 pinctrl_pwm3: pwm3grp {
0339 fsl,pins = <
0340 MX6QDL_PAD_SD1_DAT1__PWM3_OUT 0x1b0b1
0341 >;
0342 };
0343
0344 pinctrl_pwm4: pwm4grp {
0345 fsl,pins = <
0346 MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
0347 >;
0348 };
0349
0350 pinctrl_uart1: uart1grp {
0351 fsl,pins = <
0352 MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
0353 MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
0354 >;
0355 };
0356
0357 pinctrl_uart2: uart2grp {
0358 fsl,pins = <
0359 MX6QDL_PAD_EIM_D26__UART2_TX_DATA 0x1b0b1
0360 MX6QDL_PAD_EIM_D27__UART2_RX_DATA 0x1b0b1
0361 >;
0362 };
0363
0364 pinctrl_uart3: uart3grp {
0365 fsl,pins = <
0366 MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1
0367 MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b1
0368 >;
0369 };
0370
0371 pinctrl_uart4: uart4grp {
0372 fsl,pins = <
0373 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
0374 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
0375 >;
0376 };
0377
0378 pinctrl_uart5: uart5grp {
0379 fsl,pins = <
0380 MX6QDL_PAD_KEY_COL1__UART5_TX_DATA 0x1b0b1
0381 MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA 0x1b0b1
0382 >;
0383 };
0384
0385 pinctrl_usbotg: usbotggrp {
0386 fsl,pins = <
0387 MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x17059
0388 MX6QDL_PAD_EIM_D21__USB_OTG_OC 0x1b0b0
0389 MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x000b0 /* USB OTG POWER ENABLE */
0390 >;
0391 };
0392
0393 pinctrl_usdhc2: usdhc2grp {
0394 fsl,pins = <
0395 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059
0396 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059
0397 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059
0398 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059
0399 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
0400 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059
0401 MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x1b0b0 /* CD */
0402 MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1f0b0 /* WP */
0403 >;
0404 };
0405
0406 pinctrl_usdhc3: usdhc3grp {
0407 fsl,pins = <
0408 MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17009
0409 MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10009
0410 MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17009
0411 MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17009
0412 MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17009
0413 MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17009
0414 MX6QDL_PAD_SD3_RST__SD3_RESET 0x17009
0415 >;
0416 };
0417 };
