/*
 * Copyright (C) 2016 Sergio Prado (sergio.prado@e-labworks.com)
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License
 *     version 2 as published by the Free Software Foundation.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

/dts-v1/;
#include "imx6q.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Embest MarS Board i.MX6Dual";
	compatible = "embest,imx6q-marsboard", "fsl,imx6q";

	memory@10000000 {
		device_type = "memory";
		reg = <0x10000000 0x40000000>;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	reg_usb_otg_vbus: regulator-usb-otg-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_otg_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_led>;

		user1 {
			label = "imx6:green:user1";
			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
			default-state = "off";
			linux,default-trigger = "heartbeat";
		};

		user2 {
			label = "imx6:green:user2";
			gpios = <&gpio3 28 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};
};

&audmux {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_audmux>;
	status = "okay";
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
	status = "okay";

	flash@0 {
		compatible = "microchip,sst25vf016b";
		spi-max-frequency = <20000000>;
		reg = <0>;
	};
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_enet>;
	phy-mode = "rgmii-id";
	phy-handle = <&rgmii_phy>;
	status = "okay";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		/* Atheros AR8035 PHY */
		rgmii_phy: ethernet-phy@4 {
			reg = <4>;
			interrupts-extended = <&gpio1 28 IRQ_TYPE_LEVEL_LOW>;
			reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
			reset-assert-us = <10000>;
			reset-deassert-us = <1000>;
		};
	};
};

&hdmi {
	ddc-i2c-bus = <&i2c2>;
	status = "okay";
};

&i2c1 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";
};

&i2c2 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";
};

&i2c3 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c3>;
	status = "okay";
};

&pwm1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm1>;
	status = "okay";
};

&pwm2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm2>;
	status = "okay";
};

&pwm3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm3>;
	status = "okay";
};

&pwm4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm4>;
	status = "okay";
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1>;
	status = "okay";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";
};

&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart4>;
	status = "okay";
};

&uart5 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart5>;
	status = "okay";
};

&usbh1 {
	dr_mode = "host";
	disable-over-current;
	status = "okay";
};

&usbotg {
	vbus-supply = <&reg_usb_otg_vbus>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usbotg>;
	dr_mode = "otg";
	disable-over-current;
	status = "okay";
};

&usdhc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc2>;
	vmmc-supply = <&reg_3p3v>;
	cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
	wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&usdhc3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc3>;
	vmmc-supply = <&reg_3p3v>;
	non-removable;
	status = "okay";
};

&iomuxc {

	pinctrl_audmux: audmuxgrp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT7__AUD3_RXD		0x130b0
			MX6QDL_PAD_CSI0_DAT4__AUD3_TXC		0x130b0
			MX6QDL_PAD_CSI0_DAT5__AUD3_TXD		0x110b0
			MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS		0x130b0
			MX6QDL_PAD_GPIO_0__CCM_CLKO1		0x130b0	/* CAM_MCLK */
		>;
	};

	pinctrl_ecspi1: ecspi1grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D16__ECSPI1_SCLK		0x100b1
			MX6QDL_PAD_EIM_D17__ECSPI1_MISO		0x100b1
			MX6QDL_PAD_EIM_D18__ECSPI1_MOSI		0x100b1
			MX6QDL_PAD_EIM_EB2__GPIO2_IO30		0x000b1	/* CS0 */
		>;
	};

	pinctrl_enet: enetgrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b0b0
			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
			MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x1b030
			MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b030
			MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b030
			MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b030
			MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b030
			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b030
			/* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x0a0b1
			/* AR8035 pin strapping: IO voltage: pull up */
			MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b030
			/* AR8035 pin strapping: PHYADDR#0: pull down */
			MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x13030
			/* AR8035 pin strapping: PHYADDR#1: pull down */
			MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x13030
			/* AR8035 pin strapping: MODE#1: pull up */
			MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b030
			/* AR8035 pin strapping: MODE#3: pull up */
			MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b030
			/* AR8035 pin strapping: MODE#0: pull down */
			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x13030
			/* GPIO16 -> AR8035 25MHz */
			MX6QDL_PAD_GPIO_16__ENET_REF_CLK	0x4001b0a8
			/* RGMII_nRST */
			MX6QDL_PAD_EIM_D31__GPIO3_IO31		0x130b0
			/* AR8035 interrupt */
			MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28	0x180b0
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA		0x4001b8b1
			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL		0x4001b8b1
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1
			MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1
		>;
	};

	pinctrl_i2c3: i2c3grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_5__I2C3_SCL		0x4001b8b1
			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
		>;
	};

	pinctrl_led: ledgrp {
		fsl,pins = <
			MX6QDL_PAD_EIM_A25__GPIO5_IO02		0x1b0b1	/* LED1 */
			MX6QDL_PAD_EIM_D28__GPIO3_IO28		0x1b0b1	/* LED2 */
		>;
	};

	pinctrl_pwm1: pwm1grp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT8__PWM1_OUT		0x1b0b1
		>;
	};

	pinctrl_pwm2: pwm2grp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT9__PWM2_OUT		0x1b0b1
		>;
	};

	pinctrl_pwm3: pwm3grp {
		fsl,pins = <
			MX6QDL_PAD_SD1_DAT1__PWM3_OUT		0x1b0b1
		>;
	};

	pinctrl_pwm4: pwm4grp {
		fsl,pins = <
			MX6QDL_PAD_SD1_CMD__PWM4_OUT		0x1b0b1
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA	0x1b0b1
			MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D26__UART2_TX_DATA	0x1b0b1
			MX6QDL_PAD_EIM_D27__UART2_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
			MX6QDL_PAD_EIM_D25__UART3_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart4: uart4grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL0__UART4_TX_DATA	0x1b0b1
			MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart5: uart5grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL1__UART5_TX_DATA	0x1b0b1
			MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_usbotg: usbotggrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID	0x17059
			MX6QDL_PAD_EIM_D21__USB_OTG_OC		0x1b0b0
			MX6QDL_PAD_EIM_D22__GPIO3_IO22		0x000b0	/* USB OTG POWER ENABLE */
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX6QDL_PAD_SD2_CMD__SD2_CMD		0x17059
			MX6QDL_PAD_SD2_CLK__SD2_CLK		0x10059
			MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x17059
			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x17059
			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x17059
			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x17059
			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x1b0b0	/* CD */
			MX6QDL_PAD_GPIO_2__GPIO1_IO02		0x1f0b0	/* WP */
		>;
	};

	pinctrl_usdhc3: usdhc3grp {
		fsl,pins = <
			MX6QDL_PAD_SD3_CMD__SD3_CMD		0x17009
			MX6QDL_PAD_SD3_CLK__SD3_CLK		0x10009
			MX6QDL_PAD_SD3_DAT0__SD3_DATA0		0x17009
			MX6QDL_PAD_SD3_DAT1__SD3_DATA1		0x17009
			MX6QDL_PAD_SD3_DAT2__SD3_DATA2		0x17009
			MX6QDL_PAD_SD3_DAT3__SD3_DATA3		0x17009
			MX6QDL_PAD_SD3_RST__SD3_RESET		0x17009
		>;
	};
};
