diff --git a/arch/arm/dts/imx8mp-phyboard-pollux-rdk.dts b/arch/arm/dts/imx8mp-phyboard-pollux-rdk.dts
index 6aa720bafe..c8640cac3e 100644
--- a/arch/arm/dts/imx8mp-phyboard-pollux-rdk.dts
+++ b/arch/arm/dts/imx8mp-phyboard-pollux-rdk.dts
@@ -19,6 +19,36 @@
 		stdout-path = &uart1;
 	};
 
+	reg_can1_stby: regulator-can1-stby {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_flexcan1_reg>;
+		gpio = <&gpio3 20 GPIO_ACTIVE_LOW>;
+		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-name = "can1-stby";
+	};
+
+	reg_can2_stby: regulator-can2-stby {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_flexcan2_reg>;
+		gpio = <&gpio3 21 GPIO_ACTIVE_LOW>;
+		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-name = "can2-stby";
+	};
+
+	reg_usb1_vbus: regulator-usb1-vbus {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usb1_vbus>;
+		gpio = <&gpio1 12 GPIO_ACTIVE_LOW>;
+		regulator-max-microvolt = <5000000>;
+		regulator-min-microvolt = <5000000>;
+		regulator-name = "usb1_host_vbus";
+	};
+
 	reg_usdhc2_vmmc: regulator-usdhc2 {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
@@ -57,6 +87,21 @@
 	};
 };
 
+/* CAN FD */
+&flexcan1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+	xceiver-supply = <&reg_can1_stby>;
+	status = "okay";
+};
+
+&flexcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+	xceiver-supply = <&reg_can2_stby>;
+	status = "okay";
+};
+
 &i2c2 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default", "gpio";
@@ -76,15 +121,15 @@
 		compatible = "nxp,pca9533";
 		reg = <0x62>;
 
-		led1 {
+		led-1 {
 			type = <PCA9532_TYPE_LED>;
 		};
 
-		led2 {
+		led-2 {
 			type = <PCA9532_TYPE_LED>;
 		};
 
-		led3 {
+		led-3 {
 			type = <PCA9532_TYPE_LED>;
 		};
 	};
@@ -101,8 +146,51 @@
 	status = "okay";
 };
 
+/* USB1 Host mode Type-A */
+&usb3_phy0 {
+	vbus-supply = <&reg_usb1_vbus>;
+	status = "okay";
+};
+
+&usb3_0 {
+	status = "okay";
+};
+
+&usb_dwc3_0 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+/* USB2 4-port USB3.0 HUB */
+&usb3_phy1 {
+	status = "okay";
+};
+
+&usb3_1 {
+	fsl,permanently-attached;
+	fsl,disable-port-power-control;
+	status = "okay";
+};
+
+&usb_dwc3_1 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+/* RS232/RS485 */
+&uart2 {
+	assigned-clocks = <&clk IMX8MP_CLK_UART2>;
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
 /* SD-Card */
 &usdhc2 {
+	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
+	assigned-clock-rates = <200000000>;
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_pins>;
 	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_pins>;
@@ -113,6 +201,33 @@
 	status = "okay";
 };
 
+&gpio1 {
+	gpio-line-names = "", "", "X_PMIC_WDOG_B", "",
+		"PMIC_SD_VSEL", "", "", "", "", "",
+		"", "", "USB1_OTG_PWR", "", "", "X_nETHPHY_INT";
+};
+
+&gpio2 {
+	gpio-line-names = "", "", "", "",
+		"", "", "", "", "", "",
+		"", "", "X_SD2_CD_B", "", "", "",
+		"", "", "", "SD2_RESET_B";
+};
+
+&gpio3 {
+	gpio-line-names = "", "", "", "",
+		"", "", "", "", "", "",
+		"", "", "", "", "", "",
+		"", "", "", "", "nCAN1_EN", "nCAN2_EN";
+};
+
+&gpio4 {
+	gpio-line-names = "", "", "", "",
+		"", "", "", "", "", "",
+		"", "", "", "", "", "",
+		"", "", "X_PMIC_IRQ_B", "", "nENET0_INT_PWDN";
+};
+
 &iomuxc {
 	pinctrl_eqos: eqosgrp {
 		fsl,pins = <
@@ -134,6 +249,32 @@
 		>;
 	};
 
+	pinctrl_flexcan1: flexcan1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX		0x154
+			MX8MP_IOMUXC_SAI5_RXD1__CAN1_TX		0x154
+		>;
+	};
+
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI5_MCLK__CAN2_RX		0x154
+			MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX		0x154
+		>;
+	};
+
+	pinctrl_flexcan1_reg: flexcan1reggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI5_RXC__GPIO3_IO20	0x154
+		>;
+	};
+
+	pinctrl_flexcan2_reg: flexcan2reggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21	0x154
+		>;
+	};
+
 	pinctrl_i2c2: i2c2grp {
 		fsl,pins = <
 			MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL		0x400001c2
@@ -161,6 +302,21 @@
 		>;
 	};
 
+	pinctrl_usb1_vbus: usb1vbusgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12     0x10
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX	0x140
+			MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX	0x140
+			MX8MP_IOMUXC_SAI3_RXC__UART2_DCE_CTS	0x140
+			MX8MP_IOMUXC_SAI3_RXD__UART2_DCE_RTS	0x140
+		>;
+	};
+
 	pinctrl_usdhc2_pins: usdhc2-gpiogrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12	0x1c4
