diff --git a/arch/arm/dts/o4-imx6ull-nano.dtsi b/arch/arm/dts/o4-imx6ull-nano.dtsi
new file mode 100644
index 0000000..3fefa80
--- /dev/null
+++ b/arch/arm/dts/o4-imx6ull-nano.dtsi
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua>
+
+/dts-v1/;
+
+#include "imx6ull.dtsi"
+
+/ {
+	model = "O4-iMX6ULL-NANO";
+	compatible = "out4,o4-imx6ull-nano", "fsl,imx6ull";
+
+	aliases {
+		mmc0 = &usdhc2;
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>;
+	};
+};
+
+&iomuxc {
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			MX6UL_PAD_NAND_ALE__USDHC2_RESET_B	0x17059
+			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0	0x17059
+			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1	0x17059
+			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2	0x17059
+			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3	0x17059
+			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4	0x17059
+			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5	0x17059
+			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6	0x17059
+			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7	0x17059
+			MX6UL_PAD_NAND_RE_B__USDHC2_CLK		0x10069
+			MX6UL_PAD_NAND_WE_B__USDHC2_CMD		0x17059
+		>;
+	};
+
+	pinctrl_fec1: fec1grp {
+		fsl,pins = <
+			MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00	0x1b0b0
+			MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01	0x1b0b0
+			MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN	0x1b0b0
+			MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER	0x1b0b0
+			MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1	0x4001b031
+			MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00	0x1b0b0
+			MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01	0x1b0b0
+			MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN	0x1b0b0
+		>;
+	};
+
+	pinctrl_fec2: fec2grp {
+		fsl,pins = <
+			MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00	0x1b0b0
+			MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01	0x1b0b0
+			MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN	0x1b0b0
+			MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER	0x1b0b0
+			MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2	0x4001b031
+			MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00	0x1b0b0
+			MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01	0x1b0b0
+			MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN	0x1b0b0
+		>;
+	};
+
+	pinctrl_phy0_irq: phy0grp {
+		fsl,pins = <
+			MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07	0x79
+		>;
+	};
+
+	pinctrl_phy1_irq: phy1grp {
+		fsl,pins = <
+			MX6UL_PAD_SNVS_TAMPER3__GPIO5_IO03	0x79
+		>;
+	};
+};
+
+&usdhc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc2>;
+	no-1-8-v;
+	non-removable;
+	keep-power-in-suspend;
+	wakeup-source;
+	bus-width = <8>;
+	status = "okay";
+};