u-boot/arch/arm/dts/imx8mp-venice-gw71xx.dtsi

// 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>

/ {
	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: pcie0-refclk {
		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";
	};
};

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

&gpio4 {
	gpio-line-names =
		"", "", "", "",
		"", "", "", "",
		"dio1", "", "", "dio0",
		"", "", "pci_usb_sel", "",
		"", "", "", "",
		"", "", "", "",
		"dio3", "", "dio2", "",
		"pci_wdis#", "", "", "";
};

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

	accelerometer@19 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_accel>;
		compatible = "st,lis2de12";
		reg = <0x19>;
		st,drdy-int-pin = <1>;
		interrupt-parent = <&gpio4>;
		interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
		interrupt-names = "INT1";
	};
};

&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";
};

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

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

/* USB1 Type-C front panel */
&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";

	connector {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usbcon1>;
		compatible = "gpio-usb-b-connector", "usb-b-connector";
		type = "micro";
		label = "Type-C";
		id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
	};
};

/* USB2 - MiniPCIe socket */
&usb3_1 {
	fsl,permanently-attached;
	fsl,disable-port-power-control;
	status = "okay";
};

&usb3_phy1 {
	status = "okay";
};

&usb_dwc3_1 {
	dr_mode = "host";
	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_TXD0__GPIO4_IO26	0x40000146 /* DIO2 */
			MX8MP_IOMUXC_SAI2_TXFS__GPIO4_IO24	0x40000146 /* DIO3 */
			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_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_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
		>;
	};

	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
		>;
	};
};