diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 61afe94..9900b44 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -131,9 +131,7 @@
 	rk3399-nanopi-neo4.dtb \
 	rk3399-orangepi.dtb \
 	rk3399-pinebook-pro.dtb \
-	rk3399-puma-ddr1333.dtb \
-	rk3399-puma-ddr1600.dtb \
-	rk3399-puma-ddr1866.dtb \
+	rk3399-puma-haikou.dtb \
 	rk3399-roc-pc.dtb \
 	rk3399-roc-pc-mezzanine.dtb \
 	rk3399-rock-pi-4.dtb \
diff --git a/arch/arm/dts/rk3399-puma-ddr1333-u-boot.dtsi b/arch/arm/dts/rk3399-puma-ddr1333-u-boot.dtsi
deleted file mode 100644
index 39d3927..0000000
--- a/arch/arm/dts/rk3399-puma-ddr1333-u-boot.dtsi
+++ /dev/null
@@ -1,4 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-
-#include "rk3399-puma-u-boot.dtsi"
-#include "rk3399-sdram-ddr3-1333.dtsi"
diff --git a/arch/arm/dts/rk3399-puma-ddr1333.dts b/arch/arm/dts/rk3399-puma-ddr1333.dts
deleted file mode 100644
index 80f2769..0000000
--- a/arch/arm/dts/rk3399-puma-ddr1333.dts
+++ /dev/null
@@ -1,8 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+ OR X11
-/*
- * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
- */
-
-/dts-v1/;
-
-#include "rk3399-puma.dtsi"
diff --git a/arch/arm/dts/rk3399-puma-ddr1600-u-boot.dtsi b/arch/arm/dts/rk3399-puma-ddr1600-u-boot.dtsi
deleted file mode 100644
index be58311..0000000
--- a/arch/arm/dts/rk3399-puma-ddr1600-u-boot.dtsi
+++ /dev/null
@@ -1,4 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-
-#include "rk3399-puma-u-boot.dtsi"
-#include "rk3399-sdram-ddr3-1600.dtsi"
diff --git a/arch/arm/dts/rk3399-puma-ddr1600.dts b/arch/arm/dts/rk3399-puma-ddr1600.dts
deleted file mode 100644
index cb76b01..0000000
--- a/arch/arm/dts/rk3399-puma-ddr1600.dts
+++ /dev/null
@@ -1,9 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+ OR X11
-/*
- * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
- */
-
-/dts-v1/;
-
-#include "rk3399-puma.dtsi"
-#include "rk3399-u-boot.dtsi"
diff --git a/arch/arm/dts/rk3399-puma-ddr1866-u-boot.dtsi b/arch/arm/dts/rk3399-puma-ddr1866-u-boot.dtsi
deleted file mode 100644
index 48da076..0000000
--- a/arch/arm/dts/rk3399-puma-ddr1866-u-boot.dtsi
+++ /dev/null
@@ -1,4 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-
-#include "rk3399-puma-u-boot.dtsi"
-#include "rk3399-sdram-ddr3-1866.dtsi"
diff --git a/arch/arm/dts/rk3399-puma-ddr1866.dts b/arch/arm/dts/rk3399-puma-ddr1866.dts
deleted file mode 100644
index 80f2769..0000000
--- a/arch/arm/dts/rk3399-puma-ddr1866.dts
+++ /dev/null
@@ -1,8 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+ OR X11
-/*
- * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
- */
-
-/dts-v1/;
-
-#include "rk3399-puma.dtsi"
diff --git a/arch/arm/dts/rk3399-puma-u-boot.dtsi b/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
similarity index 80%
rename from arch/arm/dts/rk3399-puma-u-boot.dtsi
rename to arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
index ddb5fa6..29846c4 100644
--- a/arch/arm/dts/rk3399-puma-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
@@ -1,6 +1,17 @@
 // SPDX-License-Identifier: GPL-2.0+
 
 #include "rk3399-u-boot.dtsi"
+
+#ifdef CONFIG_TARGET_PUMA_RK3399_RAM_DDR3_1333
+#include "rk3399-sdram-ddr3-1333.dtsi"
+#endif
+#ifdef CONFIG_TARGET_PUMA_RK3399_RAM_DDR3_1600
+#include "rk3399-sdram-ddr3-1600.dtsi"
+#endif
+#ifdef CONFIG_TARGET_PUMA_RK3399_RAM_DDR3_1866
+#include "rk3399-sdram-ddr3-1866.dtsi"
+#endif
+
 / {
 	config {
 		u-boot,spl-payload-offset = <0x40000>; /* @ 256KB */
diff --git a/arch/arm/dts/rk3399-puma-haikou.dts b/arch/arm/dts/rk3399-puma-haikou.dts
new file mode 100644
index 0000000..d80d6b7
--- /dev/null
+++ b/arch/arm/dts/rk3399-puma-haikou.dts
@@ -0,0 +1,271 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH
+ */
+
+/dts-v1/;
+#include "rk3399-puma.dtsi"
+
+/ {
+	model = "Theobroma Systems RK3399-Q7 SoM";
+	compatible = "tsd,rk3399-puma-haikou", "rockchip,rk3399";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		pinctrl-0 = <&led_pin_module>, <&led_sd_haikou>;
+
+		sd-card-led {
+			label = "sd_card_led";
+			gpios = <&gpio1 RK_PA2 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "mmc0";
+		};
+	};
+
+	i2s0-sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,name = "Haikou,I2S-codec";
+		simple-audio-card,mclk-fs = <512>;
+
+		simple-audio-card,codec {
+			clocks = <&sgtl5000_clk>;
+			sound-dai = <&sgtl5000>;
+		};
+
+		simple-audio-card,cpu {
+			bitclock-master;
+			frame-master;
+			sound-dai = <&i2s0>;
+		};
+	};
+
+	sgtl5000_clk: sgtl5000-oscillator  {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency  = <24576000>;
+	};
+
+	dc_12v: dc-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "dc_12v";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+	};
+
+	vcc3v3_baseboard: vcc3v3-baseboard {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_baseboard";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&dc_12v>;
+	};
+
+	vcc5v0_baseboard: vcc5v0-baseboard {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_baseboard";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&dc_12v>;
+	};
+
+	vcc5v0_otg: vcc5v0-otg-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&otg_vbus_drv>;
+		regulator-name = "vcc5v0_otg";
+		regulator-always-on;
+	};
+
+	vdda_codec: vdda-codec {
+		compatible = "regulator-fixed";
+		regulator-name = "vdda_codec";
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc5v0_baseboard>;
+	};
+
+	vddd_codec: vddd-codec {
+		compatible = "regulator-fixed";
+		regulator-name = "vddd_codec";
+		regulator-boot-on;
+		regulator-min-microvolt = <1600000>;
+		regulator-max-microvolt = <1600000>;
+		vin-supply = <&vcc5v0_baseboard>;
+	};
+};
+
+&hdmi {
+	ddc-i2c-bus = <&i2c3>;
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <400000>;
+};
+
+&i2c2 {
+	status = "okay";
+	clock-frequency = <400000>;
+};
+
+&i2c3 {
+	i2c-scl-rising-time-ns = <450>;
+	i2c-scl-falling-time-ns = <15>;
+	status = "okay";
+};
+
+&i2c4 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	sgtl5000: codec@a {
+		compatible = "fsl,sgtl5000";
+		reg = <0x0a>;
+		clocks = <&sgtl5000_clk>;
+		#sound-dai-cells = <0>;
+		VDDA-supply = <&vdda_codec>;
+		VDDIO-supply = <&vdda_codec>;
+		VDDD-supply = <&vddd_codec>;
+		status = "okay";
+	};
+};
+
+&i2c6 {
+	status = "okay";
+	clock-frequency = <400000>;
+};
+
+&pcie_phy {
+	status = "okay";
+};
+
+&pcie0 {
+	ep-gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
+	num-lanes = <4>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_clkreqn_cpm>;
+	status = "okay";
+};
+
+&pinctrl {
+	pinctrl-names = "default";
+	pinctrl-0 = <&haikou_pin_hog>;
+
+	hog {
+		haikou_pin_hog: haikou-pin-hog {
+			rockchip,pins =
+			  /* LID_BTN */
+			  <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>,
+			  /* BATLOW# */
+			  <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>,
+			  /* SLP_BTN# */
+			  <0 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>,
+			  /* BIOS_DISABLE# */
+			  <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	leds {
+		led_sd_haikou: led-sd-gpio {
+			rockchip,pins =
+			  <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb2 {
+		otg_vbus_drv: otg-vbus-drv {
+			rockchip,pins =
+			  <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&pwm0 {
+	status = "okay";
+};
+
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
+	disable-wp;
+	max-frequency = <150000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
+	vmmc-supply = <&vcc3v3_baseboard>;
+	status = "okay";
+};
+
+&spi5 {
+	status = "okay";
+};
+
+&tcphy0 {
+	status = "okay";
+};
+
+&u2phy0 {
+	status = "okay";
+};
+
+&usbdrd3_0 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&u2phy0_host {
+	phy-supply = <&vcc5v0_otg>;
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&vopb {
+	status = "okay";
+};
+
+&vopb_mmu {
+	status = "okay";
+};
+
+&vopl {
+	status = "okay";
+};
+
+&vopl_mmu {
+	status = "okay";
+};
diff --git a/board/theobroma-systems/puma_rk3399/Kconfig b/board/theobroma-systems/puma_rk3399/Kconfig
index 9e23252..e82623a 100644
--- a/board/theobroma-systems/puma_rk3399/Kconfig
+++ b/board/theobroma-systems/puma_rk3399/Kconfig
@@ -18,4 +18,19 @@
 config ENV_OFFSET
 	default 0x3fc000 if ENV_IS_IN_SPI_FLASH
 
+choice
+	prompt "Theobroma Systems RK3399-Q7 DDR Option"
+	default TARGET_PUMA_RK3399_RAM_DDR3_1333
+
+config TARGET_PUMA_RK3399_RAM_DDR3_1333
+	bool "DDR3-1333MHz"
+
+config TARGET_PUMA_RK3399_RAM_DDR3_1600
+	bool "DDR3-1600MHz"
+
+config TARGET_PUMA_RK3399_RAM_DDR3_1866
+	bool "DDR3-1866MHz"
+
+endchoice
+
 endif
diff --git a/configs/puma-rk3399_defconfig b/configs/puma-rk3399_defconfig
index a148832..47a6093 100644
--- a/configs/puma-rk3399_defconfig
+++ b/configs/puma-rk3399_defconfig
@@ -39,7 +39,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
-CONFIG_DEFAULT_DEVICE_TREE="rk3399-puma-ddr1600"
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-puma-haikou"
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y