diff --git a/fdts/stm32mp15-pinctrl.dtsi b/fdts/stm32mp15-pinctrl.dtsi
index 1b5fbc6..7d2be0b 100644
--- a/fdts/stm32mp15-pinctrl.dtsi
+++ b/fdts/stm32mp15-pinctrl.dtsi
@@ -120,6 +120,21 @@
 		};
 	};
 
+	sdmmc1_dir_pins_b: sdmmc1-dir-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 2, AF11)>, /* SDMMC1_D0DIR */
+				 <STM32_PINMUX('E', 14, AF11)>, /* SDMMC1_D123DIR */
+				 <STM32_PINMUX('B', 9, AF11)>; /* SDMMC1_CDIR */
+			slew-rate = <1>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+		pins2{
+			pinmux = <STM32_PINMUX('E', 4, AF8)>; /* SDMMC1_CKIN */
+			bias-pull-up;
+		};
+	};
+
 	sdmmc2_b4_pins_a: sdmmc2-b4-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
@@ -182,6 +197,18 @@
 		};
 	};
 
+	sdmmc2_d47_pins_c: sdmmc2-d47-2 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */
+				 <STM32_PINMUX('A', 15, AF9)>, /* SDMMC2_D5 */
+				 <STM32_PINMUX('C', 6, AF10)>, /* SDMMC2_D6 */
+				 <STM32_PINMUX('C', 7, AF10)>; /* SDMMC2_D7 */
+			slew-rate = <1>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+	};
+
 	sdmmc2_d47_pins_d: sdmmc2-d47-3 {
 		pins {
 			pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */
diff --git a/fdts/stm32mp157a-dhcor-avenger96-fw-config.dts b/fdts/stm32mp157a-dhcor-avenger96-fw-config.dts
new file mode 100644
index 0000000..2abbe50
--- /dev/null
+++ b/fdts/stm32mp157a-dhcor-avenger96-fw-config.dts
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (c) 2020-2021, STMicroelectronics - All Rights Reserved
+ */
+
+#define DDR_SIZE	0x40000000 /* 1GB */
+#include "stm32mp15-fw-config.dtsi"
diff --git a/fdts/stm32mp157a-dhcor-avenger96.dts b/fdts/stm32mp157a-dhcor-avenger96.dts
new file mode 100644
index 0000000..82d48aa
--- /dev/null
+++ b/fdts/stm32mp157a-dhcor-avenger96.dts
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) Linaro Ltd 2019 - All Rights Reserved
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ * Copyright (C) 2020 Marek Vasut <marex@denx.de>
+ * Copyright (C) 2022 DH electronics GmbH
+ *
+ * DHCOR STM32MP1 variant:
+ * DHCR-STM32MP157A-C065-R102-V18-SPI-C-01LG
+ * DHCOR PCB number: 586-100 or newer
+ * Avenger96 PCB number: 588-200 or newer
+ */
+
+/dts-v1/;
+
+#include "stm32mp157.dtsi"
+#include "stm32mp15xx-dhcor-som.dtsi"
+#include "stm32mp15xx-dhcor-avenger96.dtsi"
+
+/ {
+	model = "Arrow Electronics STM32MP157A Avenger96 board";
+	compatible = "arrow,stm32mp157a-avenger96", "dh,stm32mp157a-dhcor-som",
+		     "st,stm32mp157";
+};
diff --git a/fdts/stm32mp15xx-dhcor-avenger96.dtsi b/fdts/stm32mp15xx-dhcor-avenger96.dtsi
new file mode 100644
index 0000000..576e0f1
--- /dev/null
+++ b/fdts/stm32mp15xx-dhcor-avenger96.dtsi
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) Linaro Ltd 2019 - All Rights Reserved
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ * Copyright (C) 2020 Marek Vasut <marex@denx.de>
+ * Copyright (C) 2022 DH electronics GmbH
+ */
+
+/* Avenger96 uses DHCOR SoM configured for 1V8 IO operation */
+#include "stm32mp15xx-dhcor-io1v8.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart4;
+		serial1 = &uart7;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	sd_switch: regulator-sd_switch {
+		compatible = "regulator-gpio";
+		regulator-name = "sd_switch";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <2900000>;
+		regulator-type = "voltage";
+		regulator-always-on;
+
+		gpios = <&gpioi 5 0>;
+		gpios-states = <0>;
+		states = <1800000 0x1>,
+			 <2900000 0x0>;
+	};
+};
+
+&sdmmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_b>;
+	disable-wp;
+	st,sig-dir;
+	st,neg-edge;
+	st,use-ckin;
+	bus-width = <4>;
+	vmmc-supply = <&vdd_sd>;
+	vqmmc-supply = <&sd_switch>;
+	status = "okay";
+};
+
+&sdmmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_c>;
+	bus-width = <8>;
+	mmc-ddr-1_8v;
+	no-sd;
+	no-sdio;
+	non-removable;
+	st,neg-edge;
+	vmmc-supply = <&v3v3>;
+	vqmmc-supply = <&vdd_io>;
+	status = "okay";
+};
+
+&uart4 {
+	/* On Low speed expansion header */
+	label = "LS-UART1";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart4_pins_b>;
+	status = "okay";
+};
+
+&uart7 {
+	/* On Low speed expansion header */
+	label = "LS-UART0";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart7_pins_a>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&usbotg_hs {
+	pinctrl-0 = <&usbotg_hs_pins_a>;
+	pinctrl-names = "default";
+	phy-names = "usb2-phy";
+	phys = <&usbphyc_port1 0>;
+	status = "okay";
+	vbus-supply = <&vbus_otg>;
+};
+
+&usbphyc {
+	status = "okay";
+};
+
+&usbphyc_port0 {
+	phy-supply = <&vdd_usb>;
+};
+
+&usbphyc_port1 {
+	phy-supply = <&vdd_usb>;
+};
diff --git a/fdts/stm32mp15xx-dhcor-io1v8.dtsi b/fdts/stm32mp15xx-dhcor-io1v8.dtsi
new file mode 100644
index 0000000..9937b28
--- /dev/null
+++ b/fdts/stm32mp15xx-dhcor-io1v8.dtsi
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Copyright (C) Linaro Ltd 2019 - All Rights Reserved
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ * Copyright (C) 2020 Marek Vasut <marex@denx.de>
+ */
+
+/ {
+	/* Enpirion EP3A8LQI U2 on the DHCOR */
+	vdd_io: regulator-buck-io {
+		compatible = "regulator-fixed";
+		regulator-name = "buck-io";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vdd>;
+	};
+};
+
+&vdd {
+	regulator-min-microvolt = <2900000>;
+	regulator-max-microvolt = <2900000>;
+};
+
+&pwr_regulators {
+	vdd-supply = <&vdd_io>;
+};
diff --git a/fdts/stm32mp15xx-dhcor-som.dtsi b/fdts/stm32mp15xx-dhcor-som.dtsi
new file mode 100644
index 0000000..0774c1d
--- /dev/null
+++ b/fdts/stm32mp15xx-dhcor-som.dtsi
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) Linaro Ltd 2019 - All Rights Reserved
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ * Copyright (C) 2020 Marek Vasut <marex@denx.de>
+ * Copyright (C) 2022 DH electronics GmbH
+ */
+
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxaa-pinctrl.dtsi"
+#include <dt-bindings/clock/stm32mp1-clksrc.h>
+#include "stm32mp15-ddr3-dhsom-2x4Gb-1066-binG.dtsi"
+
+/ {
+	memory@c0000000 {
+		device_type = "memory";
+		reg = <0xc0000000 0x40000000>;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vddcore>;
+};
+
+&cpu1 {
+	cpu-supply = <&vddcore>;
+};
+
+&hash1 {
+	status = "okay";
+};
+
+&i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c4_pins_a>;
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	status = "okay";
+
+	pmic: stpmic@33 {
+		compatible = "st,stpmic1";
+		reg = <0x33>;
+		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		status = "okay";
+
+		regulators {
+			compatible = "st,stpmic1-regulators";
+			ldo1-supply = <&v3v3>;
+			ldo2-supply = <&v3v3>;
+			ldo3-supply = <&vdd_ddr>;
+			ldo5-supply = <&v3v3>;
+			ldo6-supply = <&v3v3>;
+			pwr_sw1-supply = <&bst_out>;
+			pwr_sw2-supply = <&bst_out>;
+
+			vddcore: buck1 {
+				regulator-name = "vddcore";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd_ddr: buck2 {
+				regulator-name = "vdd_ddr";
+				regulator-min-microvolt = <1350000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd: buck3 {
+				regulator-name = "vdd";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			v3v3: buck4 {
+				regulator-name = "v3v3";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				regulator-over-current-protection;
+				regulator-initial-mode = <0>;
+			};
+
+			vdda: ldo1 {
+				regulator-name = "vdda";
+				regulator-min-microvolt = <2900000>;
+				regulator-max-microvolt = <2900000>;
+			};
+
+			v2v8: ldo2 {
+				regulator-name = "v2v8";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+			};
+
+			vtt_ddr: ldo3 {
+				regulator-name = "vtt_ddr";
+				regulator-always-on;
+				regulator-over-current-protection;
+				st,regulator-sink-source;
+			};
+
+			vdd_usb: ldo4 {
+				regulator-name = "vdd_usb";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			vdd_sd: ldo5 {
+				regulator-name = "vdd_sd";
+				regulator-min-microvolt = <2900000>;
+				regulator-max-microvolt = <2900000>;
+				regulator-boot-on;
+			};
+
+			v1v8: ldo6 {
+				regulator-name = "v1v8";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-enable-ramp-delay = <300000>;
+			};
+
+			vref_ddr: vref_ddr {
+				regulator-name = "vref_ddr";
+				regulator-always-on;
+			};
+
+			bst_out: boost {
+				regulator-name = "bst_out";
+			};
+
+			vbus_otg: pwr_sw1 {
+				regulator-name = "vbus_otg";
+				regulator-active-discharge = <1>;
+			};
+
+			vbus_sw: pwr_sw2 {
+				regulator-name = "vbus_sw";
+				regulator-active-discharge = <1>;
+			};
+		};
+	};
+};
+
+&iwdg2 {
+	timeout-sec = <32>;
+	status = "okay";
+	secure-status = "okay";
+};
+
+&pwr_regulators {
+	vdd-supply = <&vdd>;
+	vdd_3v3_usbfs-supply = <&vdd_usb>;
+};
+
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a>;
+	reg = <0x58003000 0x1000>, <0x70000000 0x200000>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	flash0: flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-rx-bus-width = <4>;
+		spi-max-frequency = <50000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};
+
+&rcc {
+	secure-status = "disabled";
+	st,clksrc = <
+		CLK_MPU_PLL1P
+		CLK_AXI_PLL2P
+		CLK_MCU_PLL3P
+		CLK_PLL12_HSE
+		CLK_PLL3_HSE
+		CLK_PLL4_HSE
+		CLK_RTC_LSE
+		CLK_MCO1_DISABLED
+		CLK_MCO2_DISABLED
+	>;
+
+	st,clkdiv = <
+		1 /*MPU*/
+		0 /*AXI*/
+		0 /*MCU*/
+		1 /*APB1*/
+		1 /*APB2*/
+		1 /*APB3*/
+		1 /*APB4*/
+		2 /*APB5*/
+		23 /*RTC*/
+		0 /*MCO1*/
+		0 /*MCO2*/
+	>;
+
+	st,pkcs = <
+		CLK_CKPER_HSE
+		CLK_FMC_ACLK
+		CLK_QSPI_ACLK
+		CLK_ETH_DISABLED
+		CLK_SDMMC12_PLL4P
+		CLK_DSI_DSIPLL
+		CLK_STGEN_HSE
+		CLK_USBPHY_HSE
+		CLK_SPI2S1_PLL3Q
+		CLK_SPI2S23_PLL3Q
+		CLK_SPI45_HSI
+		CLK_SPI6_HSI
+		CLK_I2C46_HSI
+		CLK_SDMMC3_PLL4P
+		CLK_USBO_USBPHY
+		CLK_ADC_CKPER
+		CLK_CEC_LSE
+		CLK_I2C12_HSI
+		CLK_I2C35_HSI
+		CLK_UART1_HSI
+		CLK_UART24_HSI
+		CLK_UART35_HSI
+		CLK_UART6_HSI
+		CLK_UART78_HSI
+		CLK_SPDIF_PLL4P
+		CLK_FDCAN_PLL4R
+		CLK_SAI1_PLL3Q
+		CLK_SAI2_PLL3Q
+		CLK_SAI3_PLL3Q
+		CLK_SAI4_PLL3Q
+		CLK_RNG1_LSI
+		CLK_RNG2_LSI
+		CLK_LPTIM1_PCLK1
+		CLK_LPTIM23_PCLK3
+		CLK_LPTIM45_LSE
+	>;
+
+	/* VCO = 1300.0 MHz => P = 650 (CPU) */
+	pll1: st,pll@0 {
+		compatible = "st,stm32mp1-pll";
+		reg = <0>;
+		cfg = <2 80 0 0 0 PQR(1,0,0)>;
+		frac = <0x800>;
+	};
+
+	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
+	pll2: st,pll@1 {
+		compatible = "st,stm32mp1-pll";
+		reg = <1>;
+		cfg = <2 65 1 0 0 PQR(1,1,1)>;
+		frac = <0x1400>;
+	};
+
+	/* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */
+	pll3: st,pll@2 {
+		compatible = "st,stm32mp1-pll";
+		reg = <2>;
+		cfg = <1 33 1 16 36 PQR(1,1,1)>;
+		frac = <0x1a04>;
+	};
+
+	/* VCO = 600.0 MHz => P = 99, Q = 74, R = 99 */
+	pll4: st,pll@3 {
+		compatible = "st,stm32mp1-pll";
+		reg = <3>;
+		cfg = <3 98 5 7 5 PQR(1,1,1)>;
+	};
+};
+
+&rng1 {
+	status = "okay";
+};
+
+&rtc {
+	status = "okay";
+};