--- /dev/null	2021-08-09 00:00:36.699061000 +0300
+++ arch/arm/dts/rk3399-nanopi-r4s.dts	2021-08-08 23:58:08.742611000 +0300
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ *
+ * Copyright (c) 2018 Collabora Ltd.
+ * Copyright (c) 2019 Arm Ltd.
+ * Copyright (C) 2020 Xiaobo <peterwillcn@gmail.com>
+ */
+
+/dts-v1/;
+#include "rk3399-nanopi4.dtsi"
+
+/ {
+	model = "FriendlyElec NanoPi R4S";
+	compatible = "friendlyarm,nanopi-r4s", "rockchip,rk3399";
+
+	aliases {
+		ethernet1 = &r8169;
+	};
+
+	vdd_5v: vdd-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_5v";
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		cooling-levels = <0 12 18 255>;
+		#cooling-cells = <2>;
+		fan-supply = <&vdd_5v>;
+		pwms = <&pwm1 0 50000 0>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&reset_key>;
+
+		reset {
+			gpios = <&gpio1 RK_PC6 GPIO_ACTIVE_LOW>;
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			debounce-interval = <20>;
+			wakeup-source;
+		};      
+	};
+};
+
+&cpu_thermal {
+	trips {
+		cpu_warm: cpu_warm {
+			temperature = <55000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+
+		cpu_hot: cpu_hot {
+			temperature = <65000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cpu_warm>;
+			cooling-device = <&fan THERMAL_NO_LIMIT 1>;
+		};
+
+		map3 {
+			trip = <&cpu_hot>;
+			cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+&emmc_phy {
+	status = "disabled";
+};
+
+&fusb0 {
+	status = "disabled";
+};
+
+&leds {
+	sys_led: led-0 {
+		gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
+		label = "nanopi-r4s:red:sys";
+	};
+
+	lan_led: led-1 {
+		gpios = <&gpio1 RK_PA1 GPIO_ACTIVE_HIGH>;
+		label = "nanopi-r4s:green:lan";
+	};
+
+	wan_led: led-2 {
+		gpios = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
+		label = "nanopi-r4s:green:wan";
+	};
+};
+
+&leds_gpio {
+	rockchip,pins =
+		<0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>,
+		<1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>,
+		<1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+};
+
+&pinctrl {
+	rockchip-key {
+		reset_key: reset-key {
+			rockchip,pins = <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+};
+
+&pcie0 {
+	max-link-speed = <1>;
+	num-lanes = <1>;
+	vpcie3v3-supply = <&vcc3v3_sys>;
+
+	pcie@0 {
+		reg = <0x00000000 0 0 0 0>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+
+		r8169: pcie@0,0 {
+			reg = <0x000000 0 0 0 0>;
+			local-mac-address = [ 00 00 00 00 00 00 ];
+		};
+	};
+};
+
+&sdhci {
+	status = "disabled";
+};
+
+&sdio0 {
+	status = "disabled";
+};
+
+&sdmmc {
+	host-index-min = <1>;
+};
+
+&u2phy0_host {
+	phy-supply = <&vdd_5v>;
+};
+
+&u2phy1_host {
+	status = "disabled";
+};
+
+&usbdrd3_0 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+	status = "okay";
+	dr_mode = "host";
+};
+
+&usbdrd3_1 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_1 {
+	status = "okay";
+	dr_mode = "host";
+};
+
+&vcc3v3_sys {
+	vin-supply = <&vcc5v0_sys>;
+};