diff --git a/arch/arm/dts/rk3566-odroid-m1s-u-boot.dtsi b/arch/arm/dts/rk3566-odroid-m1s-u-boot.dtsi
new file mode 100644
index 000000000000..6e8307e3bdf6
--- /dev/null
+++ b/arch/arm/dts/rk3566-odroid-m1s-u-boot.dtsi
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+#include "rk356x-u-boot.dtsi"
diff --git a/arch/arm/mach-rockchip/rk3568/Kconfig b/arch/arm/mach-rockchip/rk3568/Kconfig
index bdbca2fa9d90..5aa71d558cc0 100644
--- a/arch/arm/mach-rockchip/rk3568/Kconfig
+++ b/arch/arm/mach-rockchip/rk3568/Kconfig
@@ -22,6 +22,11 @@ config TARGET_ODROID_M1_RK3568
 	help
 	  Hardkernel ODROID-M1 single board computer with a RK3568B2 SoC.
 
+config TARGET_ODROID_M1S_RK3566
+	bool "ODROID-M1S"
+	help
+	  Hardkernel ODROID-M1S single board computer with a RK3566 SoC.
+
 config TARGET_PINENOTE_RK3566
 	bool "Pinenote"
 	help
@@ -68,6 +73,7 @@ config TEXT_BASE
 source "board/rockchip/evb_rk3568/Kconfig"
 source "board/anbernic/rgxx3_rk3566/Kconfig"
 source "board/hardkernel/odroid_m1/Kconfig"
+source "board/hardkernel/odroid_m1s/Kconfig"
 source "board/pine64/pinenote-rk3566/Kconfig"
 source "board/pine64/quartz64_rk3566/Kconfig"
 source "board/powkiddy/x55/Kconfig"
diff --git a/board/hardkernel/odroid_m1s/Kconfig b/board/hardkernel/odroid_m1s/Kconfig
new file mode 100644
index 000000000000..5e0d2ca6d08b
--- /dev/null
+++ b/board/hardkernel/odroid_m1s/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_ODROID_M1S_RK3566
+
+config SYS_BOARD
+	default "odroid_m1s"
+
+config SYS_VENDOR
+	default "hardkernel"
+
+config SYS_CONFIG_NAME
+	default "odroid_m1"
+
+endif
diff --git a/board/hardkernel/odroid_m1s/MAINTAINERS b/board/hardkernel/odroid_m1s/MAINTAINERS
new file mode 100644
index 000000000000..0c8d11249bff
--- /dev/null
+++ b/board/hardkernel/odroid_m1s/MAINTAINERS
@@ -0,0 +1,6 @@
+ODROID-M1S
+M:	Jonas Karlman <jonas@kwiboo.se>
+S:	Maintained
+F:	board/hardkernel/odroid_m1s/
+F:	configs/odroid-m1s-rk3566_defconfig
+F:	arch/arm/dts/rk3566-odroid-m1s-u-boot.dtsi
diff --git a/configs/odroid-m1s-rk3566_defconfig b/configs/odroid-m1s-rk3566_defconfig
new file mode 100644
index 000000000000..21f4fcb9d7be
--- /dev/null
+++ b/configs/odroid-m1s-rk3566_defconfig
@@ -0,0 +1,93 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3566-odroid-m1s"
+CONFIG_ROCKCHIP_RK3568=y
+CONFIG_SPL_SERIAL=y
+CONFIG_TARGET_ODROID_M1S_RK3566=y
+CONFIG_DEBUG_UART_BASE=0xFE660000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SYS_LOAD_ADDR=0xc00800
+CONFIG_PCI=y
+CONFIG_DEBUG_UART=y
+CONFIG_AHCI=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_SPL_FIT_SIGNATURE=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_LEGACY_IMAGE_FORMAT=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3566-odroid-m1s.dtb"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_SPL_MAX_SIZE=0x40000
+CONFIG_SPL_PAD_TO=0x7f8000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_ATF=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_ROCKUSB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_INI=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_CRAMFS=y
+# CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SPL_SYSCON=y
+CONFIG_AHCI_PCI=y
+CONFIG_DWC_AHCI=y
+CONFIG_SPL_CLK=y
+# CONFIG_USB_FUNCTION_FASTBOOT is not set
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_MISC=y
+CONFIG_SUPPORT_EMMC_RPMB=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_ROCKCHIP=y
+CONFIG_NVME_PCI=y
+CONFIG_PCIE_DW_ROCKCHIP=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_SPL_RAM=y
+CONFIG_SCSI=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_SYSRESET=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_USB_FUNCTION_ROCKUSB=y
+CONFIG_FS_CRAMFS=y
+CONFIG_ERRNO_STR=y
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index 438a6a98261c..43a62e8c3a71 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -98,6 +98,7 @@ List of mainline supported Rockchip boards:
 
 * rk3566
      - Anbernic RGxx3 (anbernic-rgxx3-rk3566)
+     - Hardkernel ODROID-M1S (odroid-m1s-rk3566)
      - Pine64 PineNote (pinenote-rk3566)
      - Pine64 PineTab2 (pinetab2-rk3566)
      - Pine64 Quartz64-A Board (quartz64-a-rk3566)
