u-boot/arch/arm/dts/imx8mm-venice-gw71xx.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2020 Gateworks Corporation
 */

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

/ {
	aliases {
		usb0 = &usbotg1;
		usb1 = &usbotg2;
	};

	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 = <&gpio5 5 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};

		led-1 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpio5 4 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 = <&gpio1 15 GPIO_ACTIVE_HIGH>;
		status = "okay";
	};

	reg_usb_otg1_vbus: regulator-usb-otg1 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb1_en>;
		compatible = "regulator-fixed";
		regulator-name = "usb_otg1_vbus";
		gpio = <&gpio1 10 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};
};

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

&gpio1 {
	gpio-line-names = "", "", "", "", "", "", "pci_usb_sel", "dio0",
		"", "dio1", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "";
};

&gpio4 {
	gpio-line-names = "", "", "", "dio2", "dio3", "", "", "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 = <5 IRQ_TYPE_LEVEL_LOW>;
		interrupt-names = "INT1";
	};
};

/* off-board header */
&i2c3 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c3>;
	status = "okay";
};

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

&pcie0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pcie0>;
	reset-gpio = <&gpio4 6 GPIO_ACTIVE_LOW>;
	clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>,
		 <&pcie0_refclk>;
	clock-names = "pcie", "pcie_aux", "pcie_bus";
	assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
			  <&clk IMX8MM_CLK_PCIE1_CTRL>;
	assigned-clock-rates = <10000000>, <250000000>;
	assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>,
				 <&clk IMX8MM_SYS_PLL2_250M>;
	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";
};

&usbotg1 {
	dr_mode = "otg";
	over-current-active-low;
	vbus-supply = <&reg_usb_otg1_vbus>;
	status = "okay";
};

&usbotg2 {
	dr_mode = "host";
	disable-over-current;
	status = "okay";
};

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

	pinctrl_hog: hoggrp {
		fsl,pins = <
			MX8MM_IOMUXC_SPDIF_TX_GPIO5_IO3		0x40000041 /* PLUG_TEST */
			MX8MM_IOMUXC_GPIO1_IO06_GPIO1_IO6	0x40000041 /* PCI_USBSEL */
			MX8MM_IOMUXC_SAI1_RXD5_GPIO4_IO7	0x40000041 /* PCIE_WDIS# */
			MX8MM_IOMUXC_GPIO1_IO07_GPIO1_IO7	0x40000041 /* DIO0 */
			MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9	0x40000041 /* DIO1 */
			MX8MM_IOMUXC_SAI1_RXD1_GPIO4_IO3	0x40000041 /* DIO2 */
			MX8MM_IOMUXC_SAI1_RXD2_GPIO4_IO4	0x40000041 /* DIO2 */
		>;
	};

	pinctrl_accel: accelgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5	0x159
		>;
	};

	pinctrl_gpio_leds: gpioledgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5	0x19
			MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4		0x19
		>;
	};

	pinctrl_i2c3: i2c3grp {
		fsl,pins = <
			MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL		0x400001c3
			MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA		0x400001c3
		>;
	};

	pinctrl_pcie0: pcie0grp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6	0x41
		>;
	};

	pinctrl_pps: ppsgrp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15	0x41
		>;
	};

	pinctrl_reg_usb1_en: regusb1grp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10	0x41
			MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12	0x141
			MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC	0x41
		>;
	};

	pinctrl_spi2: spi2grp {
		fsl,pins = <
			MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK	0xd6
			MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI	0xd6
			MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO	0xd6
			MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13	0xd6
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX	0x140
			MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX	0x140
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX	0x140
			MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX	0x140
		>;
	};
};