--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -12,6 +12,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-a1
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2s.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-orangepi-r1-plus.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-orangepi-r1-plus-lts.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock-pi-e.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-roc-cc.dtb
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus-lts.dts
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Xunlong Software. Co., Ltd.
+ * (http://www.orangepi.org)
+ *
+ * Copyright (c) 2020 David Bauer <mail@david-bauer.net>
+ * Copyright (c) 2021 Tianling Shen <cnsztl@gmail.com>
+ */
+
+/dts-v1/;
+#include "rk3328-orangepi-r1-plus.dts"
+
+/ {
+	model = "Xunlong Orange Pi R1 Plus LTS";
+	compatible = "xunlong,orangepi-r1-plus-lts", "rockchip,rk3328";
+};
+
+&dmc_opp_table {
+	/delete-node/ opp-798000000;
+	/delete-node/ opp-840000000;
+	/delete-node/ opp-924000000;
+	/delete-node/ opp-1056000000;
+};
+
+&gmac2io {
+	phy-handle = <&yt8531c>;
+	tx_delay = <0x19>;
+	rx_delay = <0x05>;
+
+	mdio {
+		/delete-node/ ethernet-phy@1;
+
+		yt8531c: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+
+			motorcomm,clk-out-frequency-hz = <125000000>;
+			motorcomm,rx-clk-drv-microamp = <5020>;
+			motorcomm,rx-data-drv-microamp = <5020>;
+			motorcomm,auto-sleep-disabled;
+			motorcomm,keep-pll-enabled;
+
+			pinctrl-0 = <&eth_phy_reset_pin>;
+			pinctrl-names = "default";
+			reset-assert-us = <15000>;
+			reset-deassert-us = <50000>;
+			reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
+		};
+	};
+};