--- /dev/null
+++ b/arch/arm/dts/rk3328-roc-pc-u-boot.dtsi
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018-2019 Rockchip Electronics Co., Ltd
+ */
+
+#include "rk3328-u-boot.dtsi"
+#include "rk3328-sdram-lpddr3-1600.dtsi"
+/ {
+	chosen {
+		u-boot,spl-boot-order = "same-as-spl", &sdmmc, &emmc;
+	};
+
+	smbios {
+		compatible = "u-boot,sysinfo-smbios";
+
+		smbios {
+			system {
+				manufacturer = "firefly";
+				product = "roc-rk3328-pc";
+			};
+
+			baseboard {
+				manufacturer = "firefly";
+				product = "roc-rk3328-pc";
+			};
+
+			chassis {
+				manufacturer = "firefly";
+				product = "roc-rk3328-pc";
+			};
+		};
+	};
+};
+
+&gpio0 {
+	u-boot,dm-spl;
+};
+
+&pinctrl {
+	u-boot,dm-spl;
+};
+
+&sdmmc0m1_pin {
+	u-boot,dm-spl;
+};
+
+&pcfg_pull_up_4ma {
+	u-boot,dm-spl;
+};
+
+&usb_host0_xhci {
+	vbus-supply = <&vcc_host1_5v>;
+	status = "okay";
+};
+
+/*
+ * This makes XHCI responsible for toggling VBUS. This is needed to work
+ * around an issue where either XHCI only works with USB 2.0 or OTG doesn't
+ * work, depending on how VBUS is configured. Having USB 3.0 seems better.
+ */
+&vcc_host1_5v {
+	/delete-property/ regulator-always-on;
+};
+
+/* Need this and all the pinctrl/gpio stuff above to set pinmux */
+&vcc_sd {
+	u-boot,dm-spl;
+};