linux-zen-server/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts

// 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";

		key-back {
			label = "Back";
			gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_BACK>;
		};

		key-home {
			label = "Home";
			gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_HOME>;
		};

		key-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>;
		interrupt-parent = <&gpio1>;
		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_ptn5150>;
		status = "okay";
	};
};

&i2c3 {
	/* 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 IRQ_TYPE_LEVEL_HIGH>;

		touchscreen-size-x = <800>;
		touchscreen-size-y = <480>;
		touchscreen-inverted-x;
		touchscreen-inverted-y;
	};

	rtc@68 {
		compatible = "dallas,ds1337";
		reg = <0x68>;
	};
};

/* 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";
};

&pinctrl_fec1 {
	fsl,pins = <
		MX8MM_IOMUXC_ENET_MDC_ENET1_MDC			0x3
		MX8MM_IOMUXC_ENET_MDIO_ENET1_MDIO		0x3
		MX8MM_IOMUXC_ENET_TD3_ENET1_RGMII_TD3		0x1f
		MX8MM_IOMUXC_ENET_TD2_ENET1_RGMII_TD2		0x1f
		MX8MM_IOMUXC_ENET_TD1_ENET1_RGMII_TD1		0x1f
		MX8MM_IOMUXC_ENET_TD0_ENET1_RGMII_TD0		0x1f
		MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3		0x91
		MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2		0x91
		MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1		0x91
		MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0		0x91
		MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC		0x1f
		MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC		0x91
		MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
		MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
		/* Remove the MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9 as not used */
	>;
};

&iomuxc {
	pinctrl_captouch: captouchgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4		0x16
		>;
	};

	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
		>;
	};
};