[PATCH v2 2/2] arm64: dts: rockchip: Add MangoPi M28K
From: Chukun Pan <hidden>
Date: 2026-08-01 08:01:39
Also in:
linux-devicetree, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
The MangoPi M28K is a development board with the Rockchip RK3528 SoC. It has the following features: - 2x USB 2.0 - 1x mini-HDMI - 1/2/4GB LPDDR4 - AIC8800 WiFi/BT - MicroSD card slot - Optional 16/32GB eMMC - 1x 1GbE RTL8111H Ethernet - 1x 1GbE RTL8211F Ethernet Signed-off-by: Chukun Pan <redacted> --- arch/arm64/boot/dts/rockchip/Makefile | 1 + .../boot/dts/rockchip/rk3528-mangopi-m28k.dts | 412 ++++++++++++++++++ 2 files changed, 413 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28k.dts
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 519bb6c431ac..926ff7a30c49 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile@@ -93,6 +93,7 @@ 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-hinlink-h28k.dtb +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-mangopi-m28k.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-nanopi-zero2.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e20c.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2a.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28k.dts b/arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28k.dts
new file mode 100644
index 000000000000..3d53d9dfb20f
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3528-mangopi-m28k.dts@@ -0,0 +1,412 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +/dts-v1/; + +#include <dt-bindings/input/input.h> +#include <dt-bindings/leds/common.h> +#include <dt-bindings/pwm/pwm.h> +#include "rk3528.dtsi" + +/ { + model = "MangoPi M28K"; + compatible = "widora,mangopi-m28k", "rockchip,rk3528"; + + aliases { + ethernet0 = &gmac1; + i2c6 = &i2c6; + mmc0 = &sdhci; + mmc1 = &sdmmc; + mmc2 = &sdio0; + serial0 = &uart0; + serial2 = &uart2; + serial3 = &uart3; + }; + + chosen { + stdout-path = "serial0:1500000n8"; + }; + + ir-receiver { + compatible = "gpio-ir-receiver"; + gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&pwm3_m0_ir_rx>; + }; + + keys-0 { + compatible = "adc-keys"; + io-channels = <&saradc 0>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1800000>; + poll-interval = <100>; + + button-boot { + label = "BOOT"; + linux,code = <KEY_SETUP>; + press-threshold-microvolt = <0>; + }; + }; + + keys-1 { + compatible = "adc-keys"; + io-channels = <&saradc 1>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1800000>; + poll-interval = <100>; + + button-recover { + label = "RECOVER"; + linux,code = <KEY_VENDOR>; + press-threshold-microvolt = <0>; + }; + }; + + leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&lan_led>, <&wan_led>, <&work_led>; + + led-0 { + color = <LED_COLOR_ID_WHITE>; + function = LED_FUNCTION_LAN; + gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_LOW>; + linux,default-trigger = "netdev"; + }; + + led-1 { + color = <LED_COLOR_ID_WHITE>; + function = LED_FUNCTION_WAN; + gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_LOW>; + linux,default-trigger = "netdev"; + }; + + led-2 { + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_STATUS; + gpios = <&gpio4 RK_PB7 GPIO_ACTIVE_LOW>; + linux,default-trigger = "default-on"; + }; + }; + + vdd_0v9: regulator-0v9-vdd { + 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>; + }; + + vcc_ddr: regulator-1v1-vcc-ddr { + compatible = "regulator-fixed"; + regulator-name = "vcc_ddr"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + vin-supply = <&vcc_sys>; + }; + + vcc_1v8: regulator-1v8-vcc { + 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: regulator-3v3-vcc { + 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: regulator-3v3-vcc-sd { + compatible = "regulator-fixed"; + gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc_pwren_l>; + regulator-name = "vcc3v3_sd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vcc_3v3>; + }; + + vcc_sys: regulator-5v0-vcc-sys { + compatible = "regulator-fixed"; + regulator-name = "vcc_sys"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + vccio_sd: regulator-vccio-sd { + compatible = "regulator-gpio"; + gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc_vol_ctrl_h>; + regulator-name = "vccio_sd"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + states = <1800000 0x0>, <3300000 0x1>; + vin-supply = <&vcc_sys>; + }; + + vdd_arm: regulator-vdd-arm { + compatible = "pwm-regulator"; + pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>; + 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: regulator-vdd-logic { + compatible = "pwm-regulator"; + pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>; + 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>; + }; + + 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>; + }; +}; + +&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"; + phy-handle = <&rgmii_phy>; + phy-mode = "rgmii-id"; + phy-supply = <&vcc_3v3>; + pinctrl-names = "default"; + pinctrl-0 = <&rgmii_miim>, + <&rgmii_tx_bus2>, + <&rgmii_rx_bus2>, + <&rgmii_rgmii_clk>, + <&rgmii_rgmii_bus>; + status = "okay"; +}; + +&gpu { + mali-supply = <&vdd_logic>; + status = "okay"; +}; + +&i2c6 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c6m0_xfer>; + status = "okay"; +}; + +&mdio1 { + rgmii_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0x1>; + pinctrl-names = "default"; + pinctrl-0 = <&gmac1_rstn_l>; + reset-assert-us = <20000>; + reset-deassert-us = <100000>; + reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>; + }; +}; + +&pcie { + pinctrl-names = "default"; + pinctrl-0 = <&rtl8111hs_isolateb_l>; + reset-gpios = <&gpio4 RK_PA3 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply = <&vcc_3v3>; + status = "okay"; +}; + +&pinctrl { + gmac { + gmac1_rstn_l: gmac1-rstn-l { + rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + + ir { + pwm3_m0_ir_rx: pwm3-m0-ir-rx { + rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>; + }; + }; + + leds { + lan_led: lan-led { + rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; + }; + + wan_led: wan-led { + rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>; + }; + + work_led: work-led { + rockchip,pins = <4 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + + pcie { + rtl8111hs_isolateb_l: rtl8111hs-isolateb-l { + rockchip,pins = <4 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>; + }; + }; + + sdmmc { + sdmmc_pwren_l: sdmmc-pwren-l { + rockchip,pins = <4 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>; + }; + + sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h { + rockchip,pins = <4 RK_PB6 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>; + }; + }; +}; + +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm1m0_pins>; + status = "okay"; +}; + +&pwm2 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm2m0_pins>; + status = "okay"; +}; + +&saradc { + vref-supply = <&vcc_1v8>; + status = "okay"; +}; + +&sdhci { + bus-width = <8>; + cap-mmc-highspeed; + mmc-hs200-1_8v; + non-removable; + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&vcc_1v8>; + status = "okay"; +}; + +&sdio0 { + bus-width = <4>; + cap-sd-highspeed; + cap-sdio-irq; + keep-power-in-suspend; + mmc-pwrseq = <&sdio_pwrseq>; + non-removable; + sd-uhs-sdr104; + status = "okay"; +}; + +&sdmmc { + bus-width = <4>; + cap-sd-highspeed; + disable-wp; + sd-uhs-sdr104; + vmmc-supply = <&vcc3v3_sd>; + vqmmc-supply = <&vccio_sd>; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0m0_xfer>; + status = "okay"; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2m1_ctsn>, <&uart2m1_rtsn>, <&uart2m1_xfer>; + uart-has-rtscts; + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3m0_xfer>; + status = "disabled"; +}; + +&usb2phy { + status = "okay"; +}; + +&usb2phy_host { + phy-supply = <&vcc_sys>; + status = "okay"; +}; + +&usb2phy_otg { + phy-supply = <&vcc_sys>; + status = "okay"; +}; + +&usb_host0_ehci { + status = "okay"; +}; + +&usb_host0_ohci { + status = "okay"; +}; + +&usb_host0_xhci { + dr_mode = "host"; + extcon = <&usb2phy>; + maximum-speed = "high-speed"; + phys = <&usb2phy_otg>; + phy-names = "usb2-phy"; + status = "okay"; +};
--
2.34.1