diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index ef79a672804a..f92637eb6f90 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -46,6 +46,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc-mezzanine.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc-plus.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-4c-plus.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4a-plus.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4b.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts
new file mode 100644
index 000000000000..cf9997c011d2
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts
@@ -0,0 +1,641 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (c) 2019 Radxa Limited
+ * Copyright (c) 2022 Amarula Solutions(India)
+ */
+
+/dts-v1/;
+#include "rk3399.dtsi"
+#include "rk3399-opp.dtsi"
+
+/ {
+	model = "Radxa ROCK 4C+";
+	compatible = "radxa,rock-4c-plus", "rockchip,rk3399";
+
+	aliases {
+		mmc0 = &sdmmc;
+	};
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		clocks = <&rk809 1>;
+		clock-names = "ext_clock";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_enable_h>;
+		reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
+	};
+
+	clkin_gmac: external-gmac-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <125000000>;
+		clock-output-names = "clkin_gmac";
+		#clock-cells = <0>;
+	};
+
+	vcc5v0_sys: vcc-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_sys";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vcc5v0_host1: vcc5v0-host-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio3 RK_PD6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v0_host_en>;
+		regulator-name = "vcc5v0_host1";
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc5v0_host0_s0>;
+	};
+
+	vcc5v0_typec: vcc5v0-typec-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v0_typec0_en>;
+		regulator-name = "vcc5v0_typec";
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	vcc_lan: vcc3v3-phy-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_lan";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+};
+
+&cpu_l0 {
+	cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l1 {
+	cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l2 {
+	cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l3 {
+	cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_b0 {
+	cpu-supply = <&vdd_cpu_b>;
+};
+
+&cpu_b1 {
+	cpu-supply = <&vdd_cpu_b>;
+};
+
+&emmc_phy {
+	status = "okay";
+};
+
+&gmac {
+	assigned-clocks = <&cru SCLK_RMII_SRC>;
+	assigned-clock-parents = <&clkin_gmac>;
+	clock_in_out = "input";
+	phy-supply = <&vcc_lan>;
+	phy-mode = "rgmii";
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 50000>;
+	tx_delay = <0x2a>;
+	rx_delay = <0x21>;
+	status = "okay";
+};
+
+&gpu {
+	mali-supply = <&vdd_gpu>;
+	status = "okay";
+};
+
+&hdmi {
+	ddc-i2c-bus = <&i2c3>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&hdmi_cec>;
+	status = "okay";
+};
+
+&hdmi_sound {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+	i2c-scl-falling-time-ns = <30>;
+	i2c-scl-rising-time-ns = <180>;
+	clock-frequency = <400000>;
+
+	rk809: pmic@20 {
+		compatible = "rockchip,rk809";
+		reg = <0x20>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <RK_PC5 IRQ_TYPE_LEVEL_LOW>;
+		#clock-cells = <1>;
+		clock-output-names = "rk808-clkout1", "rk808-clkout2";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pmic_int_l>;
+		rockchip,system-power-controller;
+		wakeup-source;
+
+		vcc1-supply = <&vcc5v0_sys>;
+		vcc2-supply = <&vcc5v0_sys>;
+		vcc3-supply = <&vcc5v0_sys>;
+		vcc4-supply = <&vcc5v0_sys>;
+		vcc5-supply = <&vcc_buck5>;
+		vcc6-supply = <&vcc_buck5>;
+		vcc7-supply = <&vcc5v0_sys>;
+		vcc8-supply = <&vcc3v3_sys>;
+		vcc9-supply = <&vcc5v0_sys>;
+
+		regulators {
+			vdd_log: DCDC_REG1 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <750000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-initial-mode = <0x2>;
+				regulator-name = "vdd_log";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+					regulator-suspend-microvolt = <900000>;
+				};
+			};
+
+			vdd_cpu_l: DCDC_REG2 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <750000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <6001>;
+				regulator-initial-mode = <0x2>;
+				regulator-name = "vdd_cpu_l";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_ddr: DCDC_REG3 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-name = "vcc_ddr";
+				regulator-initial-mode = <0x2>;
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vcc3v3_sys: DCDC_REG4 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-initial-mode = <0x2>;
+				regulator-name = "vcc3v3_sys";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <3300000>;
+				};
+			};
+
+			vcc_buck5: DCDC_REG5 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc_buck5";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <3300000>;
+				};
+			};
+
+			vcca_0v9: LDO_REG1 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+				regulator-name = "vcca_0v9";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_1v8: LDO_REG2 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc_1v8";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vcc0v9_soc: LDO_REG3 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+				regulator-name = "vcc0v9_soc";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <900000>;
+				};
+			};
+
+			vcca_1v8: LDO_REG4 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcca_1v8";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_mipi: LDO_REG5 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-name = "vcc_mipi";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_1v5: LDO_REG6 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-name = "vcc_1v5";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_3v0: LDO_REG7 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-name = "vcc_3v0";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vccio_sd: LDO_REG8 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vccio_sd";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_cam: LDO_REG9 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc_cam";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc5v0_host0_s0: SWITCH_REG1 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-name = "vcc5v0_host0_s0";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			lcd_3v3: SWITCH_REG2 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-name = "lcd_3v3";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+		};
+	};
+
+	vdd_cpu_b: syr827@40 {
+		compatible = "silergy,syr827";
+		reg = <0x40>;
+		fcs,suspend-voltage-selector = <1>;
+		regulator-compatible = "fan53555-reg";
+		pinctrl-0 = <&vsel1_gpio>;
+		vsel-gpios = <&gpio1 RK_PC1 GPIO_ACTIVE_HIGH>;
+		regulator-name = "vdd_cpu_b";
+		regulator-min-microvolt = <712500>;
+		regulator-max-microvolt = <1500000>;
+		regulator-ramp-delay = <1000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc5v0_sys>;
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+
+	vdd_gpu: syr828@41 {
+		compatible = "silergy,syr828";
+		reg = <0x41>;
+		fcs,suspend-voltage-selector = <1>;
+		regulator-compatible = "fan53555-reg";
+		pinctrl-0 = <&vsel2_gpio>;
+		vsel-gpios = <&gpio1 RK_PB6 GPIO_ACTIVE_HIGH>;
+		regulator-name = "vdd_gpu";
+		regulator-min-microvolt = <712500>;
+		regulator-max-microvolt = <1500000>;
+		regulator-ramp-delay = <1000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc5v0_sys>;
+		regulator-initial-mode = <1>; /* 1:force PWM 2:auto */
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+};
+
+&i2c3 {
+	i2c-scl-rising-time-ns = <450>;
+	i2c-scl-falling-time-ns = <15>;
+	status = "okay";
+};
+
+&io_domains {
+	bt656-supply = <&vcc_3v0>;
+	gpio1830-supply = <&vcc_3v0>;
+	sdmmc-supply = <&vccio_sd>;
+	status = "okay";
+};
+
+&pinctrl {
+	bt {
+		bt_enable_h: bt-enable-h {
+			rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		bt_host_wake_l: bt-host-wake-l {
+			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		bt_wake_l: bt-wake-l {
+			rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	pmic {
+		pmic_int_l: pmic-int-l {
+			rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		vsel1_gpio: vsel1-gpio {
+			rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+
+		vsel2_gpio: vsel2-gpio {
+			rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+	};
+
+	sdmmc {
+		sdmmc_bus4: sdmmc-bus4 {
+			rockchip,pins = <4 8 1 &pcfg_pull_up_8ma>,
+					<4 9 1 &pcfg_pull_up_8ma>,
+					<4 10 1 &pcfg_pull_up_8ma>,
+					<4 11 1 &pcfg_pull_up_8ma>;
+		};
+
+		sdmmc_clk: sdmmc-clk {
+			rockchip,pins = <4 12 1 &pcfg_pull_none_18ma>;
+		};
+
+		sdmmc_cmd: sdmmc-cmd {
+			rockchip,pins = <4 13 1 &pcfg_pull_up_8ma>;
+		};
+	};
+
+	usb-typec {
+		vcc5v0_typec0_en: vcc5v0-typec-en {
+			rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	usb2 {
+		vcc5v0_host_en: vcc5v0-host-en {
+			rockchip,pins = <3 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	wifi {
+		wifi_enable_h: wifi-enable-h {
+			rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		wifi_host_wake_l: wifi-host-wake-l {
+			rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&pmu_io_domains {
+	pmu1830-supply = <&vcc_3v0>;
+	status = "okay";
+};
+
+&saradc {
+	status = "okay";
+	vref-supply = <&vcc_1v8>;
+};
+
+&sdhci {
+	max-frequency = <150000000>;
+	bus-width = <8>;
+	mmc-hs400-1_8v;
+	supports-emmc;
+	non-removable;
+	mmc-hs400-enhanced-strobe;
+	status = "okay";
+};
+
+&sdio0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	bus-width = <4>;
+	clock-frequency = <50000000>;
+	cap-sdio-irq;
+	cap-sd-highspeed;
+	keep-power-in-suspend;
+	mmc-pwrseq = <&sdio_pwrseq>;
+	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
+	sd-uhs-sdr104;
+	status = "okay";
+
+	brcmf: wifi@1 {
+		compatible = "brcm,bcm4329-fmac";
+		reg = <1>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PA3 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wake";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_host_wake_l>;
+	};
+};
+
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	card-detect-delay = <800>;
+	disable-wp;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc_clk &sdmmc_cd &sdmmc_cmd &sdmmc_bus4>;
+	vqmmc-supply = <&vccio_sd>;
+	status = "okay";
+};
+
+&tcphy0 {
+	status = "okay";
+};
+
+&tcphy1 {
+	status = "okay";
+};
+
+&u2phy0 {
+	status = "okay";
+
+	u2phy0_otg: otg-port {
+		status = "okay";
+	};
+
+	u2phy0_host: host-port {
+		phy-supply = <&vcc5v0_host1>;
+		status = "okay";
+	};
+};
+
+&u2phy1 {
+	status = "okay";
+
+	u2phy1_otg: otg-port {
+		status = "okay";
+	};
+
+	u2phy1_host: host-port {
+		phy-supply = <&vcc5v0_host1>;
+		status = "okay";
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
+	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm4345c5";
+		clocks = <&rk809 1>;
+		clock-names = "lpo";
+		device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+		max-speed = <1500000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
+		vbat-supply = <&vcc3v3_sys>;
+		vddio-supply = <&vcc_1v8>;
+	};
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host1_ehci {
+	status = "okay";
+};
+
+&usb_host1_ohci {
+	status = "okay";
+};
+
+&usbdrd3_0 {
+	extcon = <&u2phy0>;
+	status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+	status = "okay";
+	dr_mode = "host";
+};
+
+&usbdrd3_1 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_1 {
+	status = "okay";
+	dr_mode = "host";
+};
+
+&vopb {
+	status = "okay";
+};
+
+&vopb_mmu {
+	status = "okay";
+};
+
+&vopl {
+	status = "okay";
+};
+
+&vopl_mmu {
+	status = "okay";
+};
