diff --git a/src/arm/nxp/imx/imx51-zii-scu3-esb.dts b/src/arm/nxp/imx/imx51-zii-scu3-esb.dts
new file mode 100644
index 0000000..19a3b14
--- /dev/null
+++ b/src/arm/nxp/imx/imx51-zii-scu3-esb.dts
@@ -0,0 +1,471 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/*
+ * Copyright (C) 2018 Zodiac Inflight Innovations
+ */
+
+/dts-v1/;
+
+#include "imx51.dtsi"
+
+/ {
+	model = "ZII SCU3 ESB board";
+	compatible = "zii,imx51-scu3-esb", "fsl,imx51";
+
+	chosen {
+		stdout-path = &uart1;
+	};
+
+	/* Will be filled by the bootloader */
+	memory@90000000 {
+		device_type = "memory";
+		reg = <0x90000000 0>;
+	};
+
+	usb_vbus: regulator-usb-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usb_mmc_reset>;
+		gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
+		startup-delay-us = <150000>;
+	};
+};
+
+&cpu {
+	cpu-supply = <&sw1_reg>;
+};
+
+&ecspi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi1>;
+	cs-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>,
+		   <&gpio4 25 GPIO_ACTIVE_LOW>;
+	status = "okay";
+
+	pmic@0 {
+		compatible = "fsl,mc13892";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pmic>;
+		spi-max-frequency = <6000000>;
+		spi-cs-high;
+		reg = <0>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+		fsl,mc13xxx-uses-adc;
+
+		regulators {
+			sw1_reg: sw1 {
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1375000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw2_reg: sw2 {
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1850000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw3_reg: sw3 {
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1850000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw4_reg: sw4 {
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1850000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			vpll_reg: vpll {
+				regulator-min-microvolt = <1050000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			vdig_reg: vdig {
+				regulator-min-microvolt = <1650000>;
+				regulator-max-microvolt = <1650000>;
+				regulator-boot-on;
+			};
+
+			vsd_reg: vsd {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3150000>;
+			};
+
+			vusb_reg: vusb {
+				regulator-always-on;
+			};
+
+			vusb2_reg: vusb2 {
+				regulator-min-microvolt = <2400000>;
+				regulator-max-microvolt = <2775000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			vvideo_reg: vvideo {
+				regulator-min-microvolt = <2775000>;
+				regulator-max-microvolt = <2775000>;
+			};
+
+			vaudio_reg: vaudio {
+				regulator-min-microvolt = <2300000>;
+				regulator-max-microvolt = <3000000>;
+			};
+
+			vcam_reg: vcam {
+				regulator-min-microvolt = <2500000>;
+				regulator-max-microvolt = <3000000>;
+			};
+
+			vgen1_reg: vgen1 {
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+			};
+
+			vgen2_reg: vgen2 {
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3150000>;
+				regulator-always-on;
+			};
+
+			vgen3_reg: vgen3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <2900000>;
+				regulator-always-on;
+			};
+		};
+
+		leds {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			led-control = <0x0 0x0 0x3f83f8 0x0>;
+
+			sysled3: led3@3 {
+				reg = <3>;
+				label = "system:red:power";
+				linux,default-trigger = "default-on";
+			};
+
+			sysled4: led4@4 {
+				reg = <4>;
+				label = "system:green:act";
+				linux,default-trigger = "heartbeat";
+			};
+		};
+	};
+
+	flash@1 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "atmel,at45", "atmel,dataflash";
+		spi-max-frequency = <25000000>;
+		reg = <1>;
+	};
+};
+
+&esdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc1>;
+	bus-width = <8>;
+	non-removable;
+	no-1-8-v;
+	no-sdio;
+	no-sd;
+	status = "okay";
+};
+
+&esdhc4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc4>;
+	bus-width = <4>;
+	no-1-8-v;
+	no-sdio;
+	cd-gpios = <&gpio4 8 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec>;
+	phy-mode = "mii";
+	status = "okay";
+
+	fixed-link {
+		speed = <100>;
+		full-duplex;
+	};
+
+	fec_mdio: mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "okay";
+
+		switch@0 {
+			compatible = "marvell,mv88e6085";
+			reg = <0>;
+			dsa,member = <0 0>;
+			eeprom-length = <512>;
+			interrupt-parent = <&gpio4>;
+			interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_switch>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					label = "port1";
+				};
+
+				port@1 {
+					reg = <1>;
+					label = "port2";
+				};
+
+				port@2 {
+					reg = <2>;
+					label = "port3";
+				};
+
+				port@3 {
+					reg = <3>;
+					label = "scu2scu";
+				};
+
+				port@4 {
+					reg = <4>;
+					label = "esb2host";
+				};
+
+				port@5 {
+					reg = <5>;
+					label = "esb2mezz";
+					phy-mode = "sgmii";
+
+					fixed-link {
+						speed = <1000>;
+						full-duplex;
+					};
+				};
+
+				port@6 {
+					reg = <6>;
+					phy-mode = "mii";
+					ethernet = <&fec>;
+
+					fixed-link {
+						speed = <100>;
+						full-duplex;
+					};
+				};
+			};
+		};
+	};
+};
+
+&ipu {
+	status = "disabled";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "atmel,24c04";
+		pagesize = <16>;
+		reg = <0x50>;
+	};
+
+	lm75@48 {
+		compatible = "national,lm75";
+		reg = <0x48>;
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+	status = "okay";
+
+	mcu {
+		compatible = "zii,rave-sp-esb";
+		current-speed = <57600>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		watchdog {
+			compatible = "zii,rave-sp-watchdog-legacy";
+		};
+
+		eeprom@a4 {
+			compatible = "zii,rave-sp-eeprom";
+			reg = <0xa4 0x4000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			zii,eeprom-name = "main-eeprom";
+		};
+	};
+};
+
+&usbotg {
+	dr_mode = "host";
+	disable-over-current;
+	phy_type = "utmi_wide";
+	vbus-supply = <&usb_vbus>;
+	status = "okay";
+};
+
+&usbphy0 {
+	vcc-supply = <&vusb2_reg>;
+};
+
+&vpu {
+	status = "disabled";
+};
+
+&wdog1 {
+	status = "disabled";
+};
+
+&iomuxc {
+	pinctrl_ecspi1: ecspi1grp {
+		fsl,pins = <
+			MX51_PAD_CSPI1_MISO__ECSPI1_MISO	0x185
+			MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI	0x185
+			MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK	0x185
+			MX51_PAD_CSPI1_SS0__GPIO4_24		0x85
+			MX51_PAD_CSPI1_SS1__GPIO4_25		0x85
+		>;
+	};
+
+	pinctrl_esdhc1: esdhc1grp {
+		fsl,pins = <
+			MX51_PAD_SD1_CMD__SD1_CMD		0x400020d5
+			MX51_PAD_SD1_CLK__SD1_CLK		0x20d5
+			MX51_PAD_SD1_DATA0__SD1_DATA0		0x20d5
+			MX51_PAD_SD1_DATA1__SD1_DATA1		0x20d5
+			MX51_PAD_SD1_DATA2__SD1_DATA2		0x20d5
+			MX51_PAD_SD1_DATA3__SD1_DATA3		0x20d5
+			MX51_PAD_SD2_DATA0__SD1_DAT4		0x20d5
+			MX51_PAD_SD2_DATA1__SD1_DAT5		0x20d5
+			MX51_PAD_SD2_DATA2__SD1_DAT6		0x20d5
+			MX51_PAD_SD2_DATA3__SD1_DAT7		0x20d5
+		>;
+	};
+
+	pinctrl_esdhc4: esdhc4grp {
+		fsl,pins = <
+			MX51_PAD_NANDF_RB1__SD4_CMD		0x400020d5
+			MX51_PAD_NANDF_CS2__SD4_CLK		0x20d5
+			MX51_PAD_NANDF_CS3__SD4_DAT0		0x20d5
+			MX51_PAD_NANDF_CS4__SD4_DAT1		0x20d5
+			MX51_PAD_NANDF_CS5__SD4_DAT2		0x20d5
+			MX51_PAD_NANDF_CS6__SD4_DAT3		0x20d5
+			MX51_PAD_NANDF_D0__GPIO4_8		0x100
+		>;
+	};
+
+	pinctrl_fec: fecgrp {
+		fsl,pins = <
+			MX51_PAD_DISP2_DAT15__FEC_TDATA0	0x2004
+			MX51_PAD_DISP2_DAT6__FEC_TDATA1		0x2004
+			MX51_PAD_DISP2_DAT7__FEC_TDATA2		0x2004
+			MX51_PAD_DISP2_DAT8__FEC_TDATA3		0x2004
+			MX51_PAD_DISP2_DAT9__FEC_TX_EN		0x2004
+			MX51_PAD_DISP2_DAT10__FEC_COL		0x0180
+			MX51_PAD_DISP2_DAT11__FEC_RX_CLK	0x0180
+			MX51_PAD_DISP2_DAT12__FEC_RX_DV		0x20a4
+
+			MX51_PAD_DISP2_DAT13__FEC_TX_CLK	0x2180
+			MX51_PAD_DISP2_DAT14__FEC_RDATA0	0x2180
+			MX51_PAD_DI2_DISP_CLK__FEC_RDATA1	0x0085
+			MX51_PAD_DI_GP4__FEC_RDATA2		0x0085
+			MX51_PAD_DISP2_DAT0__FEC_RDATA3		0x0085
+			MX51_PAD_DI2_PIN2__FEC_MDC		0x2004
+			MX51_PAD_DI2_PIN3__FEC_MDIO		0x01f5
+			MX51_PAD_DI2_PIN4__FEC_CRS		0x0180
+		>;
+	};
+
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX51_PAD_KEY_COL4__I2C2_SCL		0x400001ed
+			MX51_PAD_KEY_COL5__I2C2_SDA		0x400001ed
+		>;
+	};
+
+	pinctrl_pmic: pmicgrp {
+		fsl,pins = <
+			MX51_PAD_GPIO1_4__GPIO1_4		0x85
+			MX51_PAD_GPIO1_8__GPIO1_8		0xe5
+		>;
+	};
+
+	pinctrl_switch: switchgrp {
+		fsl,pins = <
+			MX51_PAD_AUD3_BB_CK__GPIO4_20		0xc5
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX51_PAD_UART1_RXD__UART1_RXD		0x1c5
+			MX51_PAD_UART1_TXD__UART1_TXD		0x1c5
+			MX51_PAD_UART1_RTS__UART1_RTS		0x1c5
+			MX51_PAD_UART1_CTS__UART1_CTS		0x1c5
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX51_PAD_UART2_RXD__UART2_RXD		0x1c5
+			MX51_PAD_UART2_TXD__UART2_TXD		0x1c5
+			MX51_PAD_USBH1_DATA0__UART2_CTS		0x1c5
+			MX51_PAD_USBH1_DATA3__UART2_RTS		0x1c5
+		>;
+	};
+
+	pinctrl_uart3: uart3grp {
+		fsl,pins = <
+			MX51_PAD_UART3_RXD__UART3_RXD		0x1c5
+			MX51_PAD_UART3_TXD__UART3_TXD		0x1c5
+		>;
+	};
+
+	pinctrl_usb_mmc_reset: usbmmcgrp {
+		fsl,pins = <
+			MX51_PAD_AUD3_BB_RXD__GPIO4_19		0x100
+		>;
+	};
+};