xref: /openbmc/linux/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905.dtsi (revision 7e1894eb)

// 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 0 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};

		led-1 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpio4 2 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 5 GPIO_ACTIVE_HIGH>;
		status = "okay";
	};

	reg_usb2_vbus: regulator-usb2-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb2_en>;
		regulator-name = "usb2_vbus";
		gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usdhc2_vmmc: regulator-usdhc2 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
		regulator-name = "SD2_3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

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

&gpio1 {
	gpio-line-names =
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "gpioa", "gpiob", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "";
};

&gpio4 {
	gpio-line-names =
		"", "", "", "pci_usb_sel",
		"", "", "", "pci_wdis#",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "";
};

&gpio5 {
	gpio-line-names =
		"", "", "", "",
		"gpioc", "gpiod", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "",
		"", "", "", "";
};

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

	eeprom@52 {
		compatible = "atmel,24c32";
		reg = <0x52>;
		pagesize = <32>;
	};
};

/* 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>;
	status = "okay";
};

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

/* USB1 - Type C front panel SINK port J14 */
&usbotg1 {
	dr_mode = "peripheral";
	status = "okay";
};

/* USB2 4-port USB3.0 HUB:
 *  P1 - USBC connector (host only)
 *  P2 - USB2 test connector
 *  P3 - miniPCIe full card
 *  P4 - miniPCIe half card
 */
&usbotg2 {
	dr_mode = "host";
	vbus-supply = <&reg_usb2_vbus>;
	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>;
	vmmc-supply = <&reg_usdhc2_vmmc>;
	bus-width = <4>;
	status = "okay";
};

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

	pinctrl_hog: hoggrp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO13_GPIO1_IO13	0x40000040 /* GPIOA */
			MX8MM_IOMUXC_GPIO1_IO14_GPIO1_IO14	0x40000040 /* GPIOB */
			MX8MM_IOMUXC_SAI1_RXD1_GPIO4_IO3	0x40000106 /* PCI_USBSEL */
			MX8MM_IOMUXC_SAI1_RXD5_GPIO4_IO7	0x40000106 /* PCIE_WDIS# */
			MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5	0x40000040 /* GPIOD */
			MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4		0x40000040 /* GPIOC */
		>;
	};

	pinctrl_gpio_leds: gpioledgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_RXFS_GPIO4_IO0	0x6	/* LEDG */
			MX8MM_IOMUXC_SAI1_RXD0_GPIO4_IO2	0x6	/* LEDR */
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL		0x400001c2
			MX8MM_IOMUXC_I2C2_SDA_I2C2_SDA		0x400001c2
		>;
	};

	pinctrl_i2c3: i2c3grp {
		fsl,pins = <
			MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL		0x400001c2
			MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA		0x400001c2
		>;
	};

	pinctrl_pcie0: pciegrp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6	0x106
		>;
	};

	pinctrl_pps: ppsgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5	0x106
		>;
	};

	pinctrl_reg_usb2_en: regusb2grp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO08_GPIO1_IO8	0x6	/* USBHUB_RST# (ext p/u) */
		>;
	};

	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19	0x40
		>;
	};

	pinctrl_spi2: spi2grp {
		fsl,pins = <
			MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK	0x140
			MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI	0x140
			MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO	0x140
			MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13	0x140
		>;
	};

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

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK		0x190
			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD		0x1d0
			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0	0x1d0
			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1	0x1d0
			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2	0x1d0
			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3	0x1d0
			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0xc0
		>;
	};

	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK		0x194
			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD		0x1d4
			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0	0x1d4
			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1	0x1d4
			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2	0x1d4
			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3	0x1d4
			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0xc0
		>;
	};

	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK		0x196
			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD		0x1d6
			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0	0x1d6
			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1	0x1d6
			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2	0x1d6
			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3	0x1d6
			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0xc0
		>;
	};

	pinctrl_usdhc2_gpio: usdhc2gpiogrp {
		fsl,pins = <
			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12	0x1c4
		>;
	};
};