// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Supports Symphony evaluation board versions >= 1.4a.
 *
 * Copyright 2019-2020 Variscite Ltd.
 * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
 */

/dts-v1/;

#include <dt-bindings/usb/pd.h>
#include "imx8mn-var-som.dtsi"

/ {
	model = "Variscite VAR-SOM-MX8MN Symphony evaluation board";
	compatible = "variscite,var-som-mx8mn-symphony", "variscite,var-som-mx8mn", "fsl,imx8mn";

	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 = <&gpio4 22 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";
		};
	};

	/* Peripherals supply, enabled by Q2 after SOM_3V3 rises. */
	reg_per_3v3: regulator-peripheral-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "per_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};
};

&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;
		vcc-supply = <&reg_per_3v3>;

		/* 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";
		};
	};

	/*
	 * For Symphony board version <= 1.4, the PTN5150 IRQ pin is connected
	 * to GPIO1_IO11 on the SoM (R106 present, R132 absent). From Symphony
	 * board version >= 1.4a, the PTN5150 ID pin is connected to GPIO1_IO11
	 * on the SoM (R106 absent, R132 present).
	 */
	extcon_usbotg1: typec@3d {
		compatible = "nxp,ptn5150";
		reg = <0x3d>;
		interrupt-parent = <&gpio1>;
		interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_ptn5150>;
		status = "okay";

		port {
			typec1_dr_sw: endpoint {
				remote-endpoint = <&usb1_drd_sw>;
			};
		};
	};
};

&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 {
	dr_mode = "otg";
	hnp-disable;
	srp-disable;
	adp-disable;
	usb-role-switch;
	disable-over-current;
	samsung,picophy-pre-emp-curr-control = <3>;
	samsung,picophy-dc-vol-level-adjust = <7>;
	status = "okay";

	port {
		usb1_drd_sw: endpoint {
			remote-endpoint = <&typec1_dr_sw>;
		};
	};
};

&iomuxc {
	pinctrl_captouch: captouchgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SPDIF_RX_GPIO5_IO4		0x16
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL		0x400001c3
			MX8MN_IOMUXC_I2C2_SDA_I2C2_SDA		0x400001c3
		>;
	};

	pinctrl_pca9534: pca9534grp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO07_GPIO1_IO7	0x16
		>;
	};

	pinctrl_ptn5150: ptn5150grp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO11_GPIO1_IO11	0x16
		>;
	};

	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22	0x41
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX8MN_IOMUXC_UART1_RXD_UART1_DCE_RX	0x140
			MX8MN_IOMUXC_UART1_TXD_UART1_DCE_TX	0x140
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX8MN_IOMUXC_UART3_RXD_UART3_DCE_RX	0x140
			MX8MN_IOMUXC_UART3_TXD_UART3_DCE_TX	0x140
		>;
	};
};