diff --git a/arch/arm/dts/imx8mn-beacon-som.dtsi b/arch/arm/dts/imx8mn-beacon-som.dtsi
index 52a50d9..de2cd0e 100644
--- a/arch/arm/dts/imx8mn-beacon-som.dtsi
+++ b/arch/arm/dts/imx8mn-beacon-som.dtsi
@@ -4,6 +4,12 @@
  */
 
 / {
+	aliases {
+		rtc0 = &rtc;
+		rtc1 = &snvs_rtc;
+		spi0 = &flexspi;
+	};
+
 	usdhc1_pwrseq: usdhc1_pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		pinctrl-names = "default";
@@ -36,11 +42,39 @@
 	cpu-supply = <&buck2_reg>;
 };
 
+/* DDR controller is running LPDDR at 800MHz which requires 0.95V */
+&a53_opp_table {
+	opp-1200000000 {
+		opp-microvolt = <950000>;
+	};
+};
+
+&ddrc {
+	operating-points-v2 = <&ddrc_opp_table>;
+
+	ddrc_opp_table: opp-table {
+		compatible = "operating-points-v2";
+
+		opp-25M {
+			opp-hz = /bits/ 64 <25000000>;
+		};
+
+		opp-100M {
+			opp-hz = /bits/ 64 <100000000>;
+		};
+
+		opp-800M {
+			opp-hz = /bits/ 64 <800000000>;
+		};
+	};
+};
+
 &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec1>;
 	phy-mode = "rgmii-id";
 	phy-handle = <&ethphy0>;
+	phy-supply = <&buck6_reg>;
 	phy-reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
 	fsl,magic-packet;
 	status = "okay";
@@ -56,6 +90,22 @@
 	};
 };
 
+&flexspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexspi>;
+	status = "okay";
+
+	flash@0 {
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <80000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+	};
+};
+
 &i2c1 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default";
@@ -184,7 +234,7 @@
 		reg = <0x50>;
 	};
 
-	rtc@51 {
+	rtc: rtc@51 {
 		compatible = "nxp,pcf85263";
 		reg = <0x51>;
 	};
@@ -285,6 +335,17 @@
 		>;
 	};
 
+	pinctrl_flexspi: flexspigrp {
+		fsl,pins = <
+			MX8MN_IOMUXC_NAND_ALE_QSPI_A_SCLK               0x1c2
+			MX8MN_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B            0x82
+			MX8MN_IOMUXC_NAND_DATA00_QSPI_A_DATA0           0x82
+			MX8MN_IOMUXC_NAND_DATA01_QSPI_A_DATA1           0x82
+			MX8MN_IOMUXC_NAND_DATA02_QSPI_A_DATA2           0x82
+			MX8MN_IOMUXC_NAND_DATA03_QSPI_A_DATA3           0x82
+		>;
+	};
+
 	pinctrl_pmic: pmicirqgrp {
 		fsl,pins = <
 			MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3		0x141