// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2023 Gateworks Corporation
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/phy/phy-imx8-pcie.h>

/ {
	aliases {
		ethernet1 = &eth1;
	};

	connector {
		compatible = "gpio-usb-b-connector", "usb-b-connector";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usbcon1>;
		type = "micro";
		label = "otg";
		vbus-supply = <&reg_usb1_vbus>;
		id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;

		port {
			usb_dr_connector: endpoint {
				remote-endpoint = <&usb3_dwc>;
			};
		};
	};

	led-controller {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_leds>;

		led-0 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};

		led-1 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
	};

	pcie0_refclk: clock-pcie0 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	pps {
		compatible = "pps-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pps>;
		gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
		status = "okay";
	};

	reg_usb1_vbus: regulator-usb1 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb1_en>;
		regulator-name = "usb1_vbus";
		gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usb2_vbus: regulator-usb2 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb2_en>;
		regulator-name = "usb2_vbus";
		gpio = <&gpio4 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usdhc2_vmmc>;
		regulator-name = "VDD_3V3_SD";
		enable-active-high;
		gpio = <&gpio2 19 0>; /* SD2_RESET */
		off-on-delay-us = <12000>;
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		startup-delay-us = <100>;
	};
};

/* off-board header */
&ecspi2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_spi2>;
	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>,
		   <&gpio1 10 GPIO_ACTIVE_LOW>;
	status = "okay";

	tpm@1 {
		compatible = "atmel,attpm20p", "tcg,tpm_tis-spi";
		reg = <0x1>;
		spi-max-frequency = <36000000>;
	};
};

&gpio4 {
	gpio-line-names =
		"", "", "", "",
		"", "", "", "",
		"dio1", "", "", "dio0",
		"", "", "pci_usb_sel", "",
		"", "", "", "",
		"", "", "rs485_en", "rs485_term",
		"", "", "", "rs485_half",
		"pci_wdis#", "", "", "";
};

&i2c2 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	accelerometer@19 {
		compatible = "st,lis2de12";
		reg = <0x19>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_accel>;
		st,drdy-int-pin = <1>;
		interrupt-parent = <&gpio4>;
		interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
	};
};

&pcie_phy {
	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
	fsl,clkreq-unsupported;
	clocks = <&pcie0_refclk>;
	clock-names = "ref";
	status = "okay";
};

&pcie {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pcie0>;
	reset-gpio = <&gpio4 29 GPIO_ACTIVE_LOW>;
	status = "okay";

	pcie@0,0 {
		reg = <0x0000 0 0 0 0>;
		device_type = "pci";
		#address-cells = <3>;
		#size-cells = <2>;
		ranges;

		pcie@0,0 {
			reg = <0x0000 0 0 0 0>;
			device_type = "pci";
			#address-cells = <3>;
			#size-cells = <2>;
			ranges;

			pcie@3,0 {
				reg = <0x1800 0 0 0 0>;
				device_type = "pci";
				#address-cells = <3>;
				#size-cells = <2>;
				ranges;

				eth1: ethernet@0,0 {
					reg = <0x0000 0 0 0 0>;
					#address-cells = <3>;
					#size-cells = <2>;
					ranges;
					local-mac-address = [00 00 00 00 00 00];
				};
			};
		};
	};
};

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

/* off-board header */
&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";
};

/* RS232 */
&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart4>;
	status = "okay";
};

/* USB1 - OTG */
&usb3_0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usb1>;
	fsl,over-current-active-low;
	status = "okay";
};

&usb3_phy0 {
	status = "okay";
};

&usb_dwc3_0 {
	/* dual role is implemented but not a full featured OTG */
	adp-disable;
	hnp-disable;
	srp-disable;
	dr_mode = "otg";
	usb-role-switch;
	role-switch-default-mode = "peripheral";
	status = "okay";

	port {
		usb3_dwc: endpoint {
			remote-endpoint = <&usb_dr_connector>;
		};
	};
};

/* USB2 - USB3.0 Hub */
&usb3_1 {
	fsl,permanently-attached;
	fsl,disable-port-power-control;
	status = "okay";
};

&usb3_phy1 {
	vbus-supply = <&reg_usb2_vbus>;
	status = "okay";
};

&usb_dwc3_1 {
	dr_mode = "host";
	status = "okay";
};

/* microSD */
&usdhc2 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
	bus-width = <4>;
	vmmc-supply = <&reg_usdhc2_vmmc>;
	status = "okay";
};

&iomuxc {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_hog>;

	pinctrl_hog: hoggrp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI1_RXD6__GPIO4_IO08	0x40000146 /* DIO1 */
			MX8MP_IOMUXC_SAI1_TXC__GPIO4_IO11	0x40000146 /* DIO0 */
			MX8MP_IOMUXC_SAI1_TXD2__GPIO4_IO14	0x40000106 /* PCIE_USBSEL */
			MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27	0x40000106 /* RS485_HALF */
			MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22	0x40000106 /* RS485_EN */
			MX8MP_IOMUXC_SAI2_RXD0__GPIO4_IO23	0x40000106 /* RS485_TERM */
			MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28	0x40000106 /* PCIE_WDIS# */
		>;
	};

	pinctrl_accel: accelgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI2_RXFS__GPIO4_IO21	0x150	/* IRQ */
		>;
	};

	pinctrl_gpio_leds: gpioledgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI1_RXC__GPIO4_IO01	0x6	/* LEDG */
			MX8MP_IOMUXC_SAI1_RXD3__GPIO4_IO05	0x6	/* LEDR */
		>;
	};

	pinctrl_pcie0: pcie0grp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29	0x106
		>;
	};

	pinctrl_pps: ppsgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03	0x146
		>;
	};

	pinctrl_reg_usb1_en: regusb1grp {
		fsl,pins = <
			MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12	0x146 /* USB1_EN */
		>;
	};

	pinctrl_usb1: usb1grp {
		fsl,pins = <
			MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC	0x140 /* USB1_FLT# */
		>;
	};

	pinctrl_usbcon1: usbcon1grp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21	0x140 /* USB1_ID */
		>;
	};

	pinctrl_reg_usb2_en: regusb2grp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI1_TXD0__GPIO4_IO12	0x146 /* USBHUB_RST# */
		>;
	};

	pinctrl_spi2: spi2grp {
		fsl,pins = <
			MX8MP_IOMUXC_ECSPI2_SCLK__ECSPI2_SCLK	0x140
			MX8MP_IOMUXC_ECSPI2_MOSI__ECSPI2_MOSI	0x140
			MX8MP_IOMUXC_ECSPI2_MISO__ECSPI2_MISO	0x140
			MX8MP_IOMUXC_ECSPI2_SS0__GPIO5_IO13	0x140
			MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10	0x140
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX	0x140
			MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX	0x140
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART3_RXD__UART3_DCE_RX	0x140
			MX8MP_IOMUXC_UART3_TXD__UART3_DCE_TX	0x140
		>;
	};

	pinctrl_uart4: uart4grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX	0x140
			MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX	0x140
		>;
	};

	pinctrl_usdhc1: usdhc1grp {
		fsl,pins = <
			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK	0x190
			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD	0x1d0
			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0	0x1d0
			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1	0x1d0
			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2	0x1d0
			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3	0x1d0
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x190
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d0
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d0
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d0
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d0
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d0
			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT	0xc1
		>;
	};

	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x194
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d4
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d4
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d4
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d4
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d4
			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT	0xc1
		>;
	};

	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x196
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d6
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d6
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d6
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d6
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d6
			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT	0xc1
		>;
	};

	pinctrl_usdhc2_vmmc: usdhc2-vmmc-grp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_RESET_B__USDHC2_RESET_B	0x1d0
		>;
	};

	pinctrl_usdhc2_gpio: usdhc2gpiogrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12		0x1c4
		>;
	};
};
