ARM: dts: imx6ul: support Engicam MicroGEA GTW board

Support Engicam MicroGEA GTW board with:

- 256 Mbytes NAND Flash
- 512 Mbytes DRAM DDR2
- Buttons
- LEDs
- Micro SD card connector
- USB 2.0 high-speed/full-speed
- Ethernet MAC

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Author: passgat

arch/arm/boot/dts/nxp/imx/Makefile

@@ -357,6 +357,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ull-dhcom-picoitx.dtb \
 	imx6ull-dhcor-maveo-box.dtb \
 	imx6ull-engicam-microgea-bmm.dtb \
+	imx6ull-engicam-microgea-gtw.dtb \
 	imx6ull-engicam-microgea-rmm.dtb \
 	imx6ull-jozacp.dtb \
 	imx6ull-kontron-bl.dtb \

arch/arm/boot/dts/nxp/imx/imx6ull-engicam-microgea-gtw.dts

@@ -0,0 +1,162 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2025 Amarula Solutions, Dario Binacchi <dario.binacchi@amarulasolutions.com>
+ * Copyright (C) 2025 Engicam srl
+ */
+
+/dts-v1/;
+
+#include "imx6ull-engicam-microgea.dtsi"
+
+/ {
+	compatible = "engicam,microgea-imx6ull-gtw",
+		     "engicam,microgea-imx6ull", "fsl,imx6ull";
+	model = "Engicam MicroGEA i.MX6ULL GTW Board";
+
+	reg_1v8: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "1v8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	reg_3v3: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_keys>;
+
+		user-button {
+			label = "User button";
+			gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
+			linux,code = <BTN_MISC>;
+			wakeup-source;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_leds>, <&pinctrl_pwrled>;
+
+		led-0 {
+			gpios = <&gpio5 7 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		led-1 {
+			gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
+		};
+
+		led-2 {
+			gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
+		};
+
+		led-3 {
+			gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	usb_hub: usb-hub {
+		compatible = "smsc,usb3503a";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usb_hub>;
+		reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	status = "okay";
+};
+
+&usbotg1 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usbotg2 {
+	dr_mode = "host";
+	disable-over-current;
+	status = "okay";
+};
+
+/* MicroSD */
+&usdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	vmmc-supply = <&reg_3v3>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_gpio_keys: gpio_keysgrp {
+		fsl,pins = <
+			MX6UL_PAD_JTAG_TDI__GPIO1_IO13		0x0b0b0
+		>;
+	};
+
+	pinctrl_leds: ledsgrp {
+		fsl,pins = <
+			MX6UL_PAD_JTAG_TCK__GPIO1_IO14		0x130b0
+			MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15	0x130b0
+			MX6UL_PAD_JTAG_TDO__GPIO1_IO12		0x130b0
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX	0x1b0b1
+			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX	0x1b0b1
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
+			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
+			MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS	0x1b0b1
+			MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS	0x1b0b1
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x17059
+			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x10059
+			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x17059
+			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x17059
+			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x17059
+			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x17059
+		>;
+	};
+};
+
+&iomuxc_snvs {
+	pinctrl_pwrled: ledsgrp {
+		fsl,pins = <
+			MX6ULL_PAD_SNVS_TAMPER7__GPIO5_IO07	0x130b0
+		>;
+	};
+
+	pinctrl_usb_hub: usb_hubgrp {
+		fsl,pins = <
+			MX6ULL_PAD_SNVS_TAMPER6__GPIO5_IO06	0x17059
+		>;
+	};
+};