diff --git a/arch/arm/boot/dts/st/Makefile b/arch/arm/boot/dts/st/Makefile
index 9fedd6776208e..db9718059ae2f 100644
--- a/arch/arm/boot/dts/st/Makefile
+++ b/arch/arm/boot/dts/st/Makefile
@@ -29,6 +29,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
 	stm32h743i-eval.dtb \
 	stm32h743i-disco.dtb \
 	stm32h750i-art-pi.dtb \
+	stm32mp135f-dhsom-dhsbc.dtb \
 	stm32mp135f-dk.dtb \
 	stm32mp151a-prtt1a.dtb \
 	stm32mp151a-prtt1c.dtb \
diff --git a/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts b/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
new file mode 100644
index 0000000000000..5f4f6b6e427a5
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
@@ -0,0 +1,321 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) 2024 Marek Vasut <marex@denx.de>
+ *
+ * DHCOR STM32MP13 variant:
+ * DHCR-STM32MP135F-C100-R051-EE-F0409-SPI4-RTC-WBT-I-01LG
+ * DHCOR PCB number: 718-100 or newer
+ * DHSBC PCB number: 719-100 or newer
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/regulator/st,stm32mp13-regulator.h>
+#include "stm32mp135.dtsi"
+#include "stm32mp13xf.dtsi"
+#include "stm32mp13xx-dhcor-som.dtsi"
+
+/ {
+	model = "DH electronics STM32MP135F DHCOR DHSBC";
+	compatible = "dh,stm32mp135f-dhcor-dhsbc",
+		     "dh,stm32mp135f-dhcor-som",
+		     "st,stm32mp135";
+
+	aliases {
+		serial2 = &usart1;
+		serial3 = &usart2;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&adc_1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&adc1_pins_a &adc1_usb_cc_pins_b>;
+	vdda-supply = <&vdd_adc>;
+	vref-supply = <&vdd_adc>;
+	status = "okay";
+
+	adc1: adc@0 {
+		status = "okay";
+
+		/*
+		 * Type-C USB_PWR_CC1 & USB_PWR_CC2 on in2 & in11.
+		 * Use at least 5 * RC time, e.g. 5 * (Rp + Rd) * C:
+		 * 5 * (5.1 + 47kOhms) * 5pF => 1.3us.
+		 * Use arbitrary margin here (e.g. 5us).
+		 *
+		 * The pinmux pins must be set as ANALOG, use datasheet
+		 * DS13483 Table 7. STM32MP135C/F ball definitions to
+		 * find out which 'pin name' maps to which 'additional
+		 * functions', which lists the mapping between pin and
+		 * ADC channel. In this case, PA5 maps to ADC1_INP2 and
+		 * PF13 maps to ADC1_INP11 .
+		 */
+		channel@2 {
+			reg = <2>;
+			st,min-sample-time-ns = <5000>;
+		};
+
+		channel@11 {
+			reg = <11>;
+			st,min-sample-time-ns = <5000>;
+		};
+
+		/* Expansion connector: INP12:pin29 */
+		channel@12 {
+			reg = <12>;
+			st,min-sample-time-ns = <5000>;
+		};
+	};
+};
+
+&gpioa {
+	gpio-line-names = "", "", "", "",
+			  "", "DHSBC_USB_PWR_CC1", "", "",
+			  "", "", "", "DHSBC_nETH1_RST",
+			  "", "DHCOR_HW-CODING_0", "", "";
+};
+
+&gpiob {
+	gpio-line-names = "", "", "", "",
+			  "", "", "", "DHCOR_BT_HOST_WAKE",
+			  "", "", "", "",
+			  "", "DHSBC_nTPM_CS", "", "";
+};
+
+&gpioc {
+	gpio-line-names = "", "", "", "DHSBC_USB_5V_MEAS",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "";
+};
+
+&gpiod {
+	gpio-line-names = "", "", "", "",
+			  "", "DHCOR_RAM-CODING_0", "", "",
+			  "", "DHCOR_RAM-CODING_1", "", "",
+			  "", "", "", "";
+};
+
+&gpioe {
+	gpio-line-names = "", "", "", "",
+			  "", "", "", "",
+			  "", "DHSBC_nTPM_RST", "", "",
+			  "DHSBC_nTPM_PIRQ", "", "DHCOR_WL_HOST_WAKE", "";
+};
+
+&gpiof {
+	gpio-line-names = "", "", "DHSBC_USB_PWR_nFLT", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "DHCOR_WL_REG_ON", "DHSBC_USB_PWR_CC2", "", "";
+};
+
+&gpiog {
+	gpio-line-names = "", "", "", "",
+			  "", "", "", "",
+			  "DHSBC_nETH2_RST", "DHCOR_BT_DEV_WAKE", "", "",
+			  "DHSBC_ETH1_INTB", "", "", "DHSBC_ETH2_INTB";
+};
+
+&gpioi {
+	gpio-line-names = "DHCOR_RTC_nINT", "DHCOR_HW-CODING_1",
+			  "DHCOR_BT_REG_ON", "DHCOR_PMIC_nINT",
+			  "DHSBC_BOOT0", "DHSBC_BOOT1",
+			  "DHSBC_BOOT2", "DHSBC_USB-C_DATA_VBUS";
+};
+
+&i2c1 { /* Expansion connector: SDA:pin27 SCL:pin28 */
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c1_pins_a>;
+	pinctrl-1 = <&i2c1_sleep_pins_a>;
+	i2c-scl-rising-time-ns = <96>;
+	i2c-scl-falling-time-ns = <3>;
+	clock-frequency = <400000>;
+	status = "okay";
+	/* spare dmas for other usage */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+};
+
+&i2c5 { /* Expansion connector: SDA:pin3 SCL:pin5 */
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c5_pins_b>;
+	pinctrl-1 = <&i2c5_sleep_pins_b>;
+	i2c-scl-rising-time-ns = <96>;
+	i2c-scl-falling-time-ns = <3>;
+	clock-frequency = <400000>;
+	status = "okay";
+	/* spare dmas for other usage */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+};
+
+&m_can1 { /* Expansion connector: TX:pin16 RX:pin18 */
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&m_can1_pins_a>;
+	pinctrl-1 = <&m_can1_sleep_pins_a>;
+	status = "okay";
+};
+
+&m_can2 { /* Expansion connector: TX:pin22 RX:pin26 */
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&m_can2_pins_a>;
+	pinctrl-1 = <&m_can2_sleep_pins_a>;
+	status = "okay";
+};
+
+&pwr_regulators {
+	vdd-supply = <&vdd>;
+	vdd_3v3_usbfs-supply = <&vdd_usb>;
+	status = "okay";
+};
+
+&sai1 { /* Expansion connector: SCK-A:pin12 FS-A:pin35 SD-A:pin38 SD-B:pin40 */
+	clocks = <&rcc SAI1>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
+	clock-names = "pclk", "x8k", "x11k";
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&sai1a_pins_a &sai1b_pins_a>;
+	pinctrl-1 = <&sai1a_sleep_pins_a &sai1b_sleep_pins_a>;
+};
+
+&scmi_voltd {
+	status = "disabled";
+};
+
+&spi2 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&spi2_pins_a>;
+	pinctrl-1 = <&spi2_sleep_pins_a>;
+	cs-gpios = <&gpiob 13 0>;
+	status = "okay";
+
+	st33htph: tpm@0 {
+		compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
+		reg = <0>;
+		spi-max-frequency = <24000000>;
+	};
+};
+
+&spi3 { /* Expansion connector: MOSI:pin19 MISO:pin21 SCK:pin22 nCS:pin24 */
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&spi3_pins_a>;
+	pinctrl-1 = <&spi3_sleep_pins_a>;
+	cs-gpios = <&gpiof 3 0>;
+	status = "disabled";
+};
+
+&timers5 { /* Expansion connector: CH3:pin31 */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+
+	pwm {
+		pinctrl-0 = <&pwm5_pins_a>;
+		pinctrl-1 = <&pwm5_sleep_pins_a>;
+		pinctrl-names = "default", "sleep";
+		status = "okay";
+	};
+	timer@4 {
+		status = "okay";
+	};
+};
+
+&timers13 { /* Expansion connector: CH1:pin32 */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+
+	pwm {
+		pinctrl-0 = <&pwm13_pins_a>;
+		pinctrl-1 = <&pwm13_sleep_pins_a>;
+		pinctrl-names = "default", "sleep";
+		status = "okay";
+	};
+	timer@12 {
+		status = "okay";
+	};
+};
+
+&usart1 { /* Expansion connector: RX:pin33 TX:pin37 */
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&usart1_pins_b>;
+	pinctrl-1 = <&usart1_sleep_pins_b>;
+	pinctrl-2 = <&usart1_idle_pins_b>;
+	status = "okay";
+};
+
+&usart2 { /* Expansion connector: RX:pin10 TX:pin8 RTS:pin11 CTS:pin36 */
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&usart2_pins_b>;
+	pinctrl-1 = <&usart2_sleep_pins_b>;
+	pinctrl-2 = <&usart2_idle_pins_b>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&usbh_ehci {
+	phys = <&usbphyc_port0>;
+	status = "okay";
+};
+
+&usbh_ohci {
+	phys = <&usbphyc_port0>;
+	status = "okay";
+};
+
+&usbotg_hs {
+	dr_mode = "peripheral";
+	phys = <&usbphyc_port1 0>;
+	phy-names = "usb2-phy";
+	usb33d-supply = <&usb33>;
+	status = "okay";
+};
+
+&usbphyc {
+	status = "okay";
+	vdda1v1-supply = <&reg11>;
+	vdda1v8-supply = <&reg18>;
+};
+
+&usbphyc_port0 {
+	phy-supply = <&vdd_usb>;
+	st,current-boost-microamp = <1000>;
+	st,decrease-hs-slew-rate;
+	st,tune-hs-dc-level = <2>;
+	st,enable-hs-rftime-reduction;
+	st,trim-hs-current = <11>;
+	st,trim-hs-impedance = <2>;
+	st,tune-squelch-level = <1>;
+	st,enable-hs-rx-gain-eq;
+	st,no-hs-ftime-ctrl;
+	st,no-lsfs-sc;
+	connector {
+		compatible = "usb-a-connector";
+		vbus-supply = <&vbus_sw>;
+	};
+};
+
+&usbphyc_port1 {
+	phy-supply = <&vdd_usb>;
+	st,current-boost-microamp = <1000>;
+	st,decrease-hs-slew-rate;
+	st,tune-hs-dc-level = <2>;
+	st,enable-hs-rftime-reduction;
+	st,trim-hs-current = <11>;
+	st,trim-hs-impedance = <2>;
+	st,tune-squelch-level = <1>;
+	st,enable-hs-rx-gain-eq;
+	st,no-hs-ftime-ctrl;
+	st,no-lsfs-sc;
+	connector {
+		compatible = "gpio-usb-b-connector", "usb-b-connector";
+		vbus-gpios = <&gpioi 7 GPIO_ACTIVE_HIGH>;
+		label = "Type-C";
+		self-powered;
+		type = "micro";
+	};
+};
diff --git a/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi
new file mode 100644
index 0000000000000..ddad6497775b8
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi
@@ -0,0 +1,308 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) 2024 Marek Vasut <marex@denx.de>
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/mfd/st,stpmic1.h>
+#include <dt-bindings/regulator/st,stm32mp13-regulator.h>
+#include "stm32mp13-pinctrl.dtsi"
+
+/ {
+	model = "DH electronics STM32MP13xx DHCOR SoM";
+	compatible = "dh,stm32mp131a-dhcor-som",
+		     "st,stm32mp131";
+
+	aliases {
+		mmc0 = &sdmmc2;
+		mmc1 = &sdmmc1;
+		serial0 = &uart4;
+		serial1 = &uart7;
+		rtc0 = &rv3032;
+		spi0 = &qspi;
+	};
+
+	memory@c0000000 {
+		device_type = "memory";
+		reg = <0xc0000000 0x20000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		optee@dd000000 {
+			reg = <0xdd000000 0x3000000>;
+			no-map;
+		};
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpiof 12 GPIO_ACTIVE_LOW>;
+	};
+
+	vin: vin {
+		compatible = "regulator-fixed";
+		regulator-name = "vin";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+};
+
+&i2c3 {
+	i2c-scl-rising-time-ns = <96>;
+	i2c-scl-falling-time-ns = <3>;
+	clock-frequency = <400000>;
+	status = "okay";
+	/* spare dmas for other usage */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+
+	pmic: stpmic@33 {
+		compatible = "st,stpmic1";
+		reg = <0x33>;
+		interrupts-extended = <&gpioi 3 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		status = "okay";
+
+		regulators {
+			compatible = "st,stpmic1-regulators";
+
+			ldo1-supply = <&vin>;
+			ldo2-supply = <&vin>;
+			ldo3-supply = <&vin>;
+			ldo4-supply = <&vin>;
+			ldo5-supply = <&vin>;
+			ldo6-supply = <&vin>;
+			pwr_sw1-supply = <&bst_out>;
+			pwr_sw2-supply = <&bst_out>;
+
+			vddcpu: buck1 { /* VDD_CPU_1V2 */
+				regulator-name = "vddcpu";
+				regulator-min-microvolt = <1250000>;
+				regulator-max-microvolt = <1250000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd_ddr: buck2 { /* VDD_DDR_1V35 */
+				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 { /* VDD_3V3_1V8 */
+				regulator-name = "vdd";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vddcore: buck4 { /* VDD_CORE_1V2 */
+				regulator-name = "vddcore";
+				regulator-min-microvolt = <1250000>;
+				regulator-max-microvolt = <1250000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd_adc: ldo1 { /* VDD_ADC_1V8 */
+				regulator-name = "vdd_adc";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				interrupts = <IT_CURLIM_LDO1 0>;
+			};
+
+			vdd_ldo2: ldo2 { /* LDO2_OUT_1V8 */
+				regulator-name = "vdd_ldo2";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				interrupts = <IT_CURLIM_LDO2 0>;
+			};
+
+			vdd_ldo3: ldo3 { /* LDO3_OUT */
+				regulator-name = "vdd_ldo3";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				interrupts = <IT_CURLIM_LDO3 0>;
+			};
+
+			vdd_usb: ldo4 { /* VDD_USB_3V3 */
+				regulator-name = "vdd_usb";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				interrupts = <IT_CURLIM_LDO4 0>;
+			};
+
+			vdd_sd: ldo5 { /* VDD_SD_3V3_1V8 */
+				regulator-name = "vdd_sd";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				interrupts = <IT_CURLIM_LDO5 0>;
+			};
+
+			vdd_sd2: ldo6 { /* VDD_SD2_3V3_1V8 */
+				regulator-name = "vdd_sd2";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				interrupts = <IT_CURLIM_LDO6 0>;
+			};
+
+			vref_ddr: vref_ddr { /* VREF_DDR_0V675 */
+				regulator-name = "vref_ddr";
+				regulator-always-on;
+			};
+
+			bst_out: boost { /* BST_OUT_5V2 */
+				regulator-name = "bst_out";
+			};
+
+			vbus_otg: pwr_sw1 {
+				regulator-name = "vbus_otg";
+				interrupts = <IT_OCP_OTG 0>;
+			};
+
+			vbus_sw: pwr_sw2 {
+				regulator-name = "vbus_sw";
+				interrupts = <IT_OCP_SWOUT 0>;
+				regulator-active-discharge = <1>;
+			};
+		};
+
+		onkey {
+			compatible = "st,stpmic1-onkey";
+			interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
+			interrupt-names = "onkey-falling", "onkey-rising";
+			status = "okay";
+		};
+
+		watchdog {
+			compatible = "st,stpmic1-wdt";
+			status = "disabled";
+		};
+	};
+
+	eeprom0: eeprom@50 {
+		compatible = "atmel,24c256";	/* ST M24256 */
+		reg = <0x50>;
+		pagesize = <64>;
+	};
+
+	rv3032: rtc@51 {
+		compatible = "microcrystal,rv3032";
+		reg = <0x51>;
+		interrupts-extended = <&gpioi 0 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
+&iwdg2 {
+	timeout-sec = <32>;
+	status = "okay";
+};
+
+&qspi {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&qspi_clk_pins_a
+		     &qspi_bk1_pins_a
+		     &qspi_cs1_pins_a>;
+	pinctrl-1 = <&qspi_clk_sleep_pins_a
+		     &qspi_bk1_sleep_pins_a
+		     &qspi_cs1_sleep_pins_a>;
+	#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 = <108000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};
+
+/* Console UART */
+&uart4 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart4_pins_b>;
+	pinctrl-1 = <&uart4_sleep_pins_b>;
+	pinctrl-2 = <&uart4_idle_pins_b>;
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+};
+
+/* Bluetooth */
+&uart7 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart7_pins_a>;
+	pinctrl-1 = <&uart7_sleep_pins_a>;
+	pinctrl-2 = <&uart7_idle_pins_a>;
+	uart-has-rtscts;
+	status = "okay";
+
+	bluetooth {
+		compatible = "infineon,cyw43439-bt", "brcm,bcm4329-bt";
+		max-speed = <3000000>;
+		device-wakeup-gpios = <&gpiog 9 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&gpioi 2 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+/* SDIO WiFi */
+&sdmmc1 {
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_clk_pins_a>;
+	pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_clk_pins_a>;
+	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+	bus-width = <4>;
+	cap-power-off-card;
+	keep-power-in-suspend;
+	non-removable;
+	st,neg-edge;
+	vmmc-supply = <&vdd>;
+	mmc-pwrseq = <&sdio_pwrseq>;
+	status = "okay";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	brcmf: bcrmf@1 {	/* muRata 1YN */
+		reg = <1>;
+		compatible = "infineon,cyw43439-fmac", "brcm,bcm4329-fmac";
+		interrupt-parent = <&gpioe>;
+		interrupts = <14 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "host-wake";
+	};
+};
+
+/* eMMC */
+&sdmmc2 {
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a &sdmmc2_clk_pins_a>;
+	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a &sdmmc2_clk_pins_a>;
+	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>;
+	bus-width = <8>;
+	mmc-ddr-3_3v;
+	no-sd;
+	no-sdio;
+	non-removable;
+	st,neg-edge;
+	vmmc-supply = <&vdd>;
+	vqmmc-supply = <&vdd>;
+	status = "okay";
+};
