rockchip: add MangoPi M28C support

target/linux/rockchip/armv8/base-files/etc/board.d/01_leds

@@ -58,6 +58,10 @@ radxa,e20c)
 	ucidef_set_led_netdev "lan" "LAN" "green:lan" "eth0"
 	ucidef_set_led_netdev "wan" "WAN" "green:wan" "eth1"
 	;;
+widora,mangopi-m28c)
+	ucidef_set_led_netdev "modem" "MODEM" "blue:modem" "usb0"
+	ucidef_set_led_netdev "wifi" "WIFI" "yellow:wifi" "wlan0"
+	;;
 widora,mangopi-m28k|\
 widora,mangopi-m28k-pro)
 	ucidef_set_led_netdev "lan" "LAN" "white:lan" "eth0"

target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity

@@ -69,5 +69,9 @@ friendlyarm,nanopi-r6s)
 	set_interface_core 4 "eth1"
 	set_interface_core 8 "eth2"
 	;;
+widora,mangopi-m28c)
+	set_interface_core 4 "eth0"
+	set_interface_core 8 "xhci-hcd:usb1"
+	;;
 esac
 

target/linux/rockchip/files/arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28.dtsi

@@ -0,0 +1,328 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (c) 2024 AY <amadeus@jmu.edu.cn>
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+#include "rk3528.dtsi"
+
+/ {
+	aliases {
+		mmc0 = &sdhci;
+		mmc1 = &sdmmc;
+		mmc2 = &sdio0;
+		ethernet0 = &gmac1;
+	};
+
+	chosen {
+		stdout-path = "serial0:1500000n8";
+	};
+
+	ir-receiver {
+		compatible = "gpio-ir-receiver";
+		gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ir_int_pin>;
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_reg_on_h>;
+		post-power-on-delay-ms = <100>;
+		power-off-delay-us = <5000000>;
+		reset-gpios = <&gpio1 RK_PA6 GPIO_ACTIVE_LOW>;
+	};
+
+	vcc_1v8: vcc-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_1v8";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_3v3>;
+	};
+
+	vcc_3v3: vcc-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_3v3";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_sys>;
+	};
+
+	vcc3v3_sd: vcc3v3-sd {
+		compatible = "regulator-fixed";
+		gpio = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>;
+		regulator-name = "vcc3v3_sd";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_3v3>;
+	};
+
+	vccio_sd: vccio-sd {
+		compatible = "regulator-gpio";
+		gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
+		regulator-name = "vccio_sd";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		states = <1800000 0x0>, <3300000 0x1>;
+		vin-supply = <&vcc_sys>;
+	};
+
+	vcc_ddr: vcc-ddr {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_ddr";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+		vin-supply = <&vcc_sys>;
+	};
+
+	vcc_sys: vcc5v0-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_sys";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vdd_0v9: vdd-0v9 {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_0v9";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <900000>;
+		vin-supply = <&vcc_sys>;
+	};
+
+	vdd_arm: vdd-arm {
+		compatible = "pwm-regulator";
+		pwms = <&pwm1 0 5000 1>;
+		pwm-supply = <&vcc_sys>;
+		regulator-name = "vdd_arm";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <746000>;
+		regulator-max-microvolt = <1201000>;
+		regulator-settling-time-up-us = <250>;
+	};
+
+	vdd_logic: vdd-logic {
+		compatible = "pwm-regulator";
+		pwms = <&pwm2 0 5000 1>;
+		pwm-supply = <&vcc_sys>;
+		regulator-name = "vdd_logic";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <705000>;
+		regulator-max-microvolt = <1006000>;
+		regulator-settling-time-up-us = <250>;
+	};
+};
+
+&combphy {
+	status = "okay";
+};
+
+&cpu0 {
+	cpu-supply = <&vdd_arm>;
+};
+
+&cpu1 {
+	cpu-supply = <&vdd_arm>;
+};
+
+&cpu2 {
+	cpu-supply = <&vdd_arm>;
+};
+
+&cpu3 {
+	cpu-supply = <&vdd_arm>;
+};
+
+&gmac1 {
+	clock_in_out = "output";
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_miim
+		     &rgmii_tx_bus2
+		     &rgmii_rx_bus2
+		     &rgmii_rgmii_clk
+		     &rgmii_rgmii_bus>;
+	phy-handle = <&rgmii_phy>;
+	phy-mode = "rgmii-id";
+	phy-supply = <&vcc_3v3>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 20000 100000>;
+	snps,reset-gpio = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&gpu {
+	mali-supply = <&vdd_logic>;
+	status = "okay";
+};
+
+&mdio1 {
+	rgmii_phy: phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0x1>;
+		realtek,led-data = <0x6d60>;
+	};
+};
+
+&pinctrl {
+	ir {
+		ir_int_pin: ir-int-pin {
+			rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	leds {
+		lan_led_en: lan-led-en {
+			rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		wan_led_en: wan-led-en {
+			rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		work_led_en: work-led-en {
+			rockchip,pins = <4 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	wifi {
+		wifi_reg_on_h: wifi-reg-on-h {
+			rockchip,pins = <1 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		wifi_wake_host_h: wifi-wake-host-h {
+			rockchip,pins = <1 RK_PA7 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+	};
+
+	bluetooth {
+		bt_reg_on_h: bt-reg-on-h {
+			rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+	};
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};
+
+&rng {
+	status = "okay";
+};
+
+&sdhci {
+	bus-width = <8>;
+	mmc-hs200-1_8v;
+	max-frequency = <200000000>;
+	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_strb>;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vcc_1v8>;
+	status = "okay";
+};
+
+&sdio0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	bus-width = <4>;
+	cap-sd-highspeed;
+	cap-sdio-irq;
+	keep-power-in-suspend;
+	max-frequency = <200000000>;
+	mmc-pwrseq = <&sdio_pwrseq>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
+	non-removable;
+	sd-uhs-sdr104;
+	status = "okay";
+
+	wifi@1 {
+		reg = <1>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <RK_PA7 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wake";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_wake_host_h>;
+	};
+};
+
+&sdmmc {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	disable-wp;
+	max-frequency = <150000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_det>;
+	rockchip,default-sample-phase = <90>;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	vmmc-supply = <&vcc3v3_sd>;
+	vqmmc-supply = <&vccio_sd>;
+	status = "okay";
+};
+
+&tsadc {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0m0_xfer>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2m1_xfer &uart2m1_ctsn>;
+	status = "okay";
+};
+
+&usb2phy {
+	status = "okay";
+};
+
+&usb2phy0_host {
+	phy-supply = <&vcc_sys>;
+	status = "okay";
+};
+
+&usb2phy0_otg {
+	phy-supply = <&vcc_sys>;
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host0_xhci {
+	dr_mode = "host";
+	status = "okay";
+};

target/linux/rockchip/files/arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28c.dts

@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (c) 2025 AY <amadeus@jmu.edu.cn>
+
+/dts-v1/;
+
+#include "rk3528-mangopi-m28.dtsi"
+
+/ {
+	model = "MangoPi M28C";
+	compatible = "widora,mangopi-m28c", "rockchip,rk3528";
+
+	aliases {
+		led-boot = &led_work;
+		led-failsafe = &led_work;
+		led-running = &led_work;
+		led-upgrade = &led_work;
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		rfkill {
+			label = "rfkill";
+			linux,code = <KEY_RFKILL>;
+			debounce-interval = <100>;
+			gpios = <&gpio4 RK_PB0 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&lan_led_en>, <&wan_led_en>, <&work_led_en>;
+
+		wifi {
+			label = "yellow:wifi";
+			gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_LOW>;
+		};
+
+		led_work: work {
+			label = "red:work";
+			gpios = <&gpio4 RK_PB7 GPIO_ACTIVE_LOW>;
+		};
+
+		modem {
+			label = "blue:modem";
+			gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	rfkill-modem {
+		compatible = "rfkill-gpio";
+		label = "rfkill-modem";
+		radio-type = "wwan";
+		reset-gpios = <&gpio4 RK_PA3 GPIO_ACTIVE_LOW>;
+		shutdown-gpios = <&gpio4 RK_PB1 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&sdhci {
+	status = "disabled";
+};

target/linux/rockchip/files/arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28k-pro.dts

@@ -2,26 +2,52 @@
 // Copyright (c) 2024 AY <amadeus@jmu.edu.cn>
 
 /dts-v1/;
-#include "rk3528-mangopi-m28k.dts"
+
+#include "rk3528-mangopi-m28.dtsi"
 
 / {
 	model = "MangoPi M28K Pro";
 	compatible = "widora,mangopi-m28k-pro", "rockchip,rk3528";
 
+	aliases {
+		led-boot = &led_work;
+		led-failsafe = &led_work;
+		led-running = &led_work;
+		led-upgrade = &led_work;
+	};
+
 	i2c {
 		compatible = "i2c-gpio";
 		scl-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
 		sda-gpios = <&gpio4 RK_PA7 GPIO_ACTIVE_HIGH>;
 	};
-};
 
-&i2c6 {
+	leds {
-	status = "disabled";
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&lan_led_en>, <&wan_led_en>, <&work_led_en>;
+
+		lan {
+			label = "white:lan";
+			gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_LOW>;
+		};
+
+		wan {
+			label = "white:wan";
+			gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_LOW>;
+		};
+
+		led_work: work {
+			label = "green:work";
+			gpios = <&gpio4 RK_PB7 GPIO_ACTIVE_LOW>;
+		};
+	};
 };
 
 &pcie2x1 {
-	/delete-property/ pinctrl-0;
+	reset-gpios = <&gpio4 RK_PA3 GPIO_ACTIVE_HIGH>;
-	/delete-property/ pinctrl-names;
+	vpcie3v3-supply = <&vcc_3v3>;
+	status = "okay";
 
 	bridge@0,0 {
 		reg = <0x00000000 0 0 0 0>;
@@ -37,6 +63,8 @@
 	};
 };
 
-&pinctrl {
+&usb_host0_xhci {
-	/delete-node/ rtl8111_isolate;
+	maximum-speed = "high-speed";
+	phys = <&usb2phy0_otg>;
+	phy-names = "usb2-phy";
 };

target/linux/rockchip/files/arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28k.dts

@@ -2,38 +2,20 @@
 // Copyright (c) 2024 AY <amadeus@jmu.edu.cn>
 
 /dts-v1/;
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/pinctrl/rockchip.h>
 
-#include "rk3528.dtsi"
+#include "rk3528-mangopi-m28.dtsi"
 
 / {
 	model = "MangoPi M28K";
 	compatible = "widora,mangopi-m28k", "rockchip,rk3528";
 
 	aliases {
-		mmc0 = &sdhci;
-		mmc1 = &sdmmc;
-		mmc2 = &sdio0;
-		ethernet0 = &gmac1;
-
 		led-boot = &led_work;
 		led-failsafe = &led_work;
 		led-running = &led_work;
 		led-upgrade = &led_work;
 	};
 
-	chosen {
-		stdout-path = "serial0:1500000n8";
-	};
-
-	ir-receiver {
-		compatible = "gpio-ir-receiver";
-		gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_LOW>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&ir_int_pin>;
-	};
-
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -54,163 +36,12 @@
 			gpios = <&gpio4 RK_PB7 GPIO_ACTIVE_LOW>;
 		};
 	};
-
-	sdio_pwrseq: sdio-pwrseq {
-		compatible = "mmc-pwrseq-simple";
-		pinctrl-names = "default";
-		pinctrl-0 = <&wifi_enable_h>;
-		reset-gpios = <&gpio1 RK_PA6 GPIO_ACTIVE_LOW>;
-	};
-
-	vcc_1v8: vcc-1v8 {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_1v8";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
-		vin-supply = <&vcc_3v3>;
-	};
-
-	vcc_3v3: vcc-3v3 {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_3v3";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		vin-supply = <&vcc_sys>;
-	};
-
-	vcc3v3_sd: vcc3v3-sd {
-		compatible = "regulator-fixed";
-		gpio = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>;
-		regulator-name = "vcc3v3_sd";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		vin-supply = <&vcc_3v3>;
-	};
-
-	vccio_sd: vccio-sd {
-		compatible = "regulator-gpio";
-		gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
-		regulator-name = "vccio_sd";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <3300000>;
-		states = <1800000 0x0>, <3300000 0x1>;
-		vin-supply = <&vcc_sys>;
-	};
-
-	vcc_ddr: vcc-ddr {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_ddr";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <1200000>;
-		regulator-max-microvolt = <1200000>;
-		vin-supply = <&vcc_sys>;
-	};
-
-	vcc_sys: vcc5v0-sys {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_sys";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-	};
-
-	vdd_0v9: vdd-0v9 {
-		compatible = "regulator-fixed";
-		regulator-name = "vdd_0v9";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <900000>;
-		regulator-max-microvolt = <900000>;
-		vin-supply = <&vcc_sys>;
-	};
-
-	vdd_arm: vdd-arm {
-		compatible = "pwm-regulator";
-		pwms = <&pwm1 0 5000 1>;
-		pwm-supply = <&vcc_sys>;
-		regulator-name = "vdd_arm";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <746000>;
-		regulator-max-microvolt = <1201000>;
-		regulator-settling-time-up-us = <250>;
-	};
-
-	vdd_logic: vdd-logic {
-		compatible = "pwm-regulator";
-		pwms = <&pwm2 0 5000 1>;
-		pwm-supply = <&vcc_sys>;
-		regulator-name = "vdd_logic";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <705000>;
-		regulator-max-microvolt = <1006000>;
-		regulator-settling-time-up-us = <250>;
-	};
-};
-
-&combphy {
-	status = "okay";
-};
-
-&cpu0 {
-	cpu-supply = <&vdd_arm>;
-};
-
-&cpu1 {
-	cpu-supply = <&vdd_arm>;
-};
-
-&cpu2 {
-	cpu-supply = <&vdd_arm>;
-};
-
-&cpu3 {
-	cpu-supply = <&vdd_arm>;
-};
-
-&gmac1 {
-	clock_in_out = "output";
-	pinctrl-names = "default";
-	pinctrl-0 = <&rgmii_miim
-		     &rgmii_tx_bus2
-		     &rgmii_rx_bus2
-		     &rgmii_rgmii_clk
-		     &rgmii_rgmii_bus>;
-	phy-handle = <&rgmii_phy>;
-	phy-mode = "rgmii-id";
-	phy-supply = <&vcc_3v3>;
-	snps,reset-active-low;
-	snps,reset-delays-us = <0 20000 100000>;
-	snps,reset-gpio = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
-	status = "okay";
-};
-
-&gpu {
-	mali-supply = <&vdd_logic>;
-	status = "okay";
 };
 
 &i2c6 {
 	status = "okay";
 };
 
-&mdio1 {
-	rgmii_phy: phy@1 {
-		compatible = "ethernet-phy-ieee802.3-c22";
-		reg = <0x1>;
-		realtek,led-data = <0x6d60>;
-	};
-};
-
 &pcie2x1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&rtl8111_isolate>;
@@ -233,130 +64,11 @@
 };
 
 &pinctrl {
-	ir {
-		ir_int_pin: ir-int-pin {
-			rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
-		};
-	};
-
-	leds {
-		lan_led_en: lan-led-en {
-			rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-
-		wan_led_en: wan-led-en {
-			rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-
-		work_led_en: work-led-en {
-			rockchip,pins = <4 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-	};
-
 	pcie {
 		rtl8111_isolate: rtl8111-isolate {
 			rockchip,pins = <4 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
-
-	wifi {
-		wifi_enable_h: wifi-enable-h {
-			rockchip,pins = <1 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-
-		wifi_host_wake: wifi-host-wake {
-			rockchip,pins = <1 RK_PA7 RK_FUNC_GPIO &pcfg_pull_down>;
-		};
-	};
-
-	bluetooth {
-		bt_enable_h: bt-enable-h {
-			rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
-		};
-	};
-};
-
-&pwm1 {
-	status = "okay";
-};
-
-&pwm2 {
-	status = "okay";
-};
-
-&rng {
-	status = "okay";
-};
-
-&sdhci {
-	bus-width = <8>;
-	mmc-hs200-1_8v;
-	max-frequency = <200000000>;
-	non-removable;
-	pinctrl-names = "default";
-	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_strb>;
-	vmmc-supply = <&vcc_3v3>;
-	vqmmc-supply = <&vcc_1v8>;
-	status = "okay";
-};
-
-&sdio0 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-	bus-width = <4>;
-	cap-sd-highspeed;
-	cap-sdio-irq;
-	keep-power-in-suspend;
-	max-frequency = <200000000>;
-	mmc-pwrseq = <&sdio_pwrseq>;
-	pinctrl-names = "default";
-	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
-	post-power-on-delay-ms = <50>;
-	non-removable;
-	sd-uhs-sdr104;
-	status = "okay";
-
-	sdio_wifi@1 {
-		reg = <1>;
-		interrupt-parent = <&gpio1>;
-		interrupts = <RK_PA7 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-names = "host-wake";
-		pinctrl-names = "default";
-		pinctrl-0 = <&wifi_host_wake>;
-	};
-};
-
-&sdmmc {
-	bus-width = <4>;
-	cap-sd-highspeed;
-	disable-wp;
-	max-frequency = <150000000>;
-	pinctrl-names = "default";
-	pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_det>;
-	rockchip,default-sample-phase = <90>;
-	sd-uhs-sdr12;
-	sd-uhs-sdr25;
-	sd-uhs-sdr50;
-	sd-uhs-sdr104;
-	vmmc-supply = <&vcc3v3_sd>;
-	vqmmc-supply = <&vccio_sd>;
-	status = "okay";
-};
-
-&tsadc {
-	status = "okay";
-};
-
-&uart0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart0m0_xfer>;
-	status = "okay";
-};
-
-&uart2 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart2m1_xfer &uart2m1_ctsn>;
-	status = "okay";
 };
 
 &uart3 {
@@ -365,32 +77,8 @@
 	status = "disabled";
 };
 
-&usb2phy {
-	status = "okay";
-};
-
-&usb2phy0_host {
-	phy-supply = <&vcc_sys>;
-	status = "okay";
-};
-
-&usb2phy0_otg {
-	phy-supply = <&vcc_sys>;
-	status = "okay";
-};
-
-&usb_host0_ehci {
-	status = "okay";
-};
-
-&usb_host0_ohci {
-	status = "okay";
-};
-
 &usb_host0_xhci {
-	dr_mode = "host";
 	maximum-speed = "high-speed";
 	phys = <&usb2phy0_otg>;
 	phy-names = "usb2-phy";
-	status = "okay";
 };

target/linux/rockchip/image/armv8.mk

@@ -560,19 +560,31 @@ define Device/xunlong_orangepi-r1-plus-lts
 endef
 TARGET_DEVICES += xunlong_orangepi-r1-plus-lts
 
-define Device/widora_mangopi-m28k
+define Device/widora_mangopi-m28
   DEVICE_VENDOR := Widora
-  DEVICE_MODEL := MangoPi M28K
   SOC := rk3528
   UBOOT_DEVICE_NAME := evb-rk3528
   IMAGE/sysupgrade.img.gz := boot-common | boot-script rk3528 | pine64-img | gzip | append-metadata
   DEVICE_PACKAGES := kmod-aic8800 kmod-r8168 wpad-openssl -urngd
 endef
+
+define Device/widora_mangopi-m28c
+$(call Device/widora_mangopi-m28)
+  DEVICE_MODEL := MangoPi M28C
+  DEVICE_PACKAGES += kmod-gpio-button-hotplug kmod-usb-serial-option
+endef
+TARGET_DEVICES += widora_mangopi-m28c
+
+define Device/widora_mangopi-m28k
+$(call Device/widora_mangopi-m28)
+  DEVICE_MODEL := MangoPi M28K
+  DEVICE_PACKAGES += kmod-r8168
+endef
 TARGET_DEVICES += widora_mangopi-m28k
 
 define Device/widora_mangopi-m28k-pro
-$(call Device/widora_mangopi-m28k)
+$(call Device/widora_mangopi-m28)
   DEVICE_MODEL := MangoPi M28K Pro
-  DEVICE_PACKAGES := kmod-aic8800 kmod-i2c-gpio kmod-r8125 wpad-openssl -urngd
+  DEVICE_PACKAGES += kmod-i2c-gpio kmod-r8125
 endef
 TARGET_DEVICES += widora_mangopi-m28k-pro

target/linux/rockchip/patches-6.1/212-rockchip-rk3528-add-support-for-new-boards.patch

@@ -1,10 +1,11 @@
 --- a/arch/arm64/boot/dts/rockchip/Makefile
 +++ b/arch/arm64/boot/dts/rockchip/Makefile
-@@ -74,6 +74,13 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-ro
+@@ -74,6 +74,14 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-ro
  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb
  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb
  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-armsom-sige1.dtb
++dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-mangopi-m28c.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-mangopi-m28k.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-mangopi-m28k-pro.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e20c.dtb

target/linux/rockchip/patches-6.6/212-rockchip-rk3528-add-support-for-new-boards.patch

@@ -1,10 +1,11 @@
 --- a/arch/arm64/boot/dts/rockchip/Makefile
 +++ b/arch/arm64/boot/dts/rockchip/Makefile
-@@ -81,6 +81,13 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-ro
+@@ -81,6 +81,14 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-ro
  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb
  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb
  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-armsom-sige1.dtb
++dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-mangopi-m28c.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-mangopi-m28k.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-mangopi-m28k-pro.dtb
 +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e20c.dtb