arm64: dts: imx8mm-var-som-symphony: Add Variscite Symphony board with VAR-SOM-MX8MM

dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mm-var-som-symphony.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb

dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)

/*

 * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>

 */

/dts-v1/;

#include "imx8mm-var-som.dtsi"

/ {

	model = "Variscite VAR-SOM-MX8MM Symphony evaluation board";

	compatible = "variscite,var-som-mx8mm-symphony", "variscite,var-som-mx8mm", "fsl,imx8mm";

	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {

		compatible = "regulator-fixed";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;

		regulator-name = "VSD_3V3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};

	reg_usb_otg2_vbus: regulator-usb-otg2-vbus {

		compatible = "regulator-fixed";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_reg_usb_otg2_vbus>;

		regulator-name = "usb_otg2_vbus";

		regulator-min-microvolt = <5000000>;

		regulator-max-microvolt = <5000000>;

		gpio = <&gpio5 1 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};

	gpio-keys {

		compatible = "gpio-keys";

		back {

			label = "Back";

			gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;

			linux,code = <KEY_BACK>;

		};

		home {

			label = "Home";

			gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;

			linux,code = <KEY_HOME>;

		};

		menu {

			label = "Menu";

			gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;

			linux,code = <KEY_MENU>;

		};

	};

	leds {

		compatible = "gpio-leds";

		led {

			label = "Heartbeat";

			gpios = <&pca9534 0 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "heartbeat";

		};

	};

};

&ethphy {

	reset-gpios = <&pca9534 5 GPIO_ACTIVE_HIGH>;

};

&i2c2 {

	clock-frequency = <400000>;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_i2c2>;

	status = "okay";

	pca9534: gpio@20 {

		compatible = "nxp,pca9534";

		reg = <0x20>;

		gpio-controller;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_pca9534>;

		interrupt-parent = <&gpio1>;

		interrupts = <7 IRQ_TYPE_EDGE_FALLING>;

		#gpio-cells = <2>;

		wakeup-source;

		/* USB 3.0 OTG (usbotg1) / SATA port switch, set to USB 3.0 */

		usb3-sata-sel-hog {

			gpio-hog;

			gpios = <4 GPIO_ACTIVE_HIGH>;

			output-low;

			line-name = "usb3_sata_sel";

		};

		som-vselect-hog {

			gpio-hog;

			gpios = <6 GPIO_ACTIVE_HIGH>;

			output-low;

			line-name = "som_vselect";

		};

		enet-sel-hog {

			gpio-hog;

			gpios = <7 GPIO_ACTIVE_HIGH>;

			output-low;

			line-name = "enet_sel";

		};

	};

	extcon_usbotg1: typec@3d {

		compatible = "nxp,ptn5150";

		reg = <0x3d>;

		int-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_ptn5150>;

		status = "okay";

	};

};

&i2c3 {

	clock-frequency = <400000>;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_i2c3>;

	status = "okay";

	/* Capacitive touch controller */

	ft5x06_ts: touchscreen@38 {

		compatible = "edt,edt-ft5406";

		reg = <0x38>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_captouch>;

		interrupt-parent = <&gpio5>;

		interrupts = <4 GPIO_ACTIVE_HIGH>;

		touchscreen-size-x = <800>;

		touchscreen-size-y = <480>;

		touchscreen-inverted-x;

		touchscreen-inverted-y;

	};

	rtc@68 {

		compatible = "dallas,ds1337";

		reg = <0x68>;

		wakeup-source;

	};

};

/* Header */

&uart1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_uart1>;

	status = "okay";

};

/* Header */

&uart3 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_uart3>;

	status = "okay";

};

&usbotg1 {

	disable-over-current;

	extcon = <&extcon_usbotg1>, <&extcon_usbotg1>;

};

&usbotg2 {

	dr_mode = "host";

	vbus-supply = <&reg_usb_otg2_vbus>;

	srp-disable;

	hnp-disable;

	adp-disable;

	disable-over-current;

	/delete-property/ usb-role-switch;

	/*

	 * FIXME: having USB2 enabled hangs the boot just after:

	 * [    1.943365] ci_hdrc ci_hdrc.1: EHCI Host Controller

	 * [    1.948287] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1

	 * [    1.971006] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00

	 * [    1.977203] hub 1-0:1.0: USB hub found

	 * [    1.980987] hub 1-0:1.0: 1 port detected

	 */

	status = "disabled";

};

&iomuxc {

	pinctrl_captouch: captouchgrp {

		fsl,pins = <

			MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4		0x16

		>;

	};

	pinctrl_gpio_led: gpioledgrp {

		fsl,pins = <

			MX8MM_IOMUXC_NAND_READY_B_GPIO3_IO16	0x19

		>;

	};

	pinctrl_i2c2: i2c2grp {

		fsl,pins = <

			MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL		0x400001c3

			MX8MM_IOMUXC_I2C2_SDA_I2C2_SDA		0x400001c3

		>;

	};

	pinctrl_pca9534: pca9534grp {

		fsl,pins = <

			MX8MM_IOMUXC_GPIO1_IO07_GPIO1_IO7	0x16

		>;

	};

	pinctrl_ptn5150: ptn5150grp {

		fsl,pins = <

			MX8MM_IOMUXC_GPIO1_IO11_GPIO1_IO11	0x16

		>;

	};

	pinctrl_reg_usb_otg2_vbus: regusbotg2vbusgrp {

		fsl,pins = <

			MX8MM_IOMUXC_SAI3_TXD_GPIO5_IO1		0x16

		>;

	};

	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {

		fsl,pins = <

			MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19	0x41

		>;

	};

	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

		>;

	};

};