diff --git a/arch/arm/dts/stm32mp157-pinctrl.dtsi b/arch/arm/dts/stm32mp157-pinctrl.dtsi
index 07cd0809ff..81a363d93d 100644
--- a/arch/arm/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/dts/stm32mp157-pinctrl.dtsi
@@ -138,7 +138,16 @@
 				status = "disabled";
 			};
 
-			adc12_usb_pwr_pins_a: adc12-usb-pwr-pins-0 {
+			adc12_ain_pins_a: adc12-ain-0 {
+				pins {
+					pinmux = <STM32_PINMUX('C', 3, ANALOG)>, /* ADC1 in13 */
+						 <STM32_PINMUX('F', 12, ANALOG)>, /* ADC1 in6 */
+						 <STM32_PINMUX('F', 13, ANALOG)>, /* ADC2 in2 */
+						 <STM32_PINMUX('F', 14, ANALOG)>; /* ADC2 in6 */
+				};
+			};
+
+			adc12_usb_cc_pins_a: adc12-usb-cc-pins-0 {
 				pins {
 					pinmux = <STM32_PINMUX('A', 4, ANALOG)>, /* ADC12 in18 */
 						 <STM32_PINMUX('A', 5, ANALOG)>; /* ADC12 in19 */
@@ -175,6 +184,18 @@
 				};
 			};
 
+			dac_ch1_pins_a: dac-ch1 {
+				pins {
+					pinmux = <STM32_PINMUX('A', 4, ANALOG)>;
+				};
+			};
+
+			dac_ch2_pins_a: dac-ch2 {
+				pins {
+					pinmux = <STM32_PINMUX('A', 5, ANALOG)>;
+				};
+			};
+
 			dcmi_pins_a: dcmi-0 {
 				pins {
 					pinmux = <STM32_PINMUX('H', 8,  AF13)>,/* DCMI_HSYNC */
diff --git a/arch/arm/dts/stm32mp157a-avenger96.dts b/arch/arm/dts/stm32mp157a-avenger96.dts
index 232fe70905..3065593bf2 100644
--- a/arch/arm/dts/stm32mp157a-avenger96.dts
+++ b/arch/arm/dts/stm32mp157a-avenger96.dts
@@ -252,14 +252,13 @@
 				regulator-name = "vbus_otg";
 				interrupts = <IT_OCP_OTG 0>;
 				interrupt-parent = <&pmic>;
-				regulator-active-discharge;
 			};
 
 			vbus_sw: pwr_sw2 {
 				regulator-name = "vbus_sw";
 				interrupts = <IT_OCP_SWOUT 0>;
 				interrupt-parent = <&pmic>;
-				regulator-active-discharge;
+				regulator-active-discharge = <1>;
 			};
 		};
 
diff --git a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
index dcaab3eef2..4045a6e731 100644
--- a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
@@ -35,24 +35,7 @@
 };
 
 &adc {
-	pinctrl-names = "default";
-	pinctrl-0 = <&adc12_usb_pwr_pins_a>;
-	vdd-supply = <&vdd>;
-	vdda-supply = <&vdd>;
-	vref-supply = <&vrefbuf>;
 	status = "okay";
-	adc1: adc at 0 {
-		/*
-		 * Type-C USB_PWR_CC1 & USB_PWR_CC2 on in18 & in19.
-		 * Use at least 5 * RC time, e.g. 5 * (Rp + Rd) * C:
-		 * 5 * (56 + 47kOhms) * 5pF => 2.5us.
-		 * Use arbitrary margin here (e.g. 5µs).
-		 */
-		st,min-sample-time-nsecs = <5000>;
-		/* ANA0, ANA1, USB Type-C CC1 & CC2 */
-		st,adc-channels = <0 1 18 19>;
-		status = "okay";
-	};
 };
 
 &clk_hse {
diff --git a/arch/arm/dts/stm32mp157a-dk1.dts b/arch/arm/dts/stm32mp157a-dk1.dts
index dc61bfc3d5..624bf6954b 100644
--- a/arch/arm/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/dts/stm32mp157a-dk1.dts
@@ -25,6 +25,7 @@
 	};
 
 	memory at c0000000 {
+		device_type = "memory";
 		reg = <0xc0000000 0x20000000>;
 	};
 
@@ -92,7 +93,34 @@
 			"Playback" , "MCLK",
 			"Capture" , "MCLK",
 			"MICL" , "Mic Bias";
-		dais = <&sai2a_port &sai2b_port>;
+		dais = <&sai2a_port &sai2b_port &i2s2_port>;
+		status = "okay";
+	};
+};
+
+&adc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&adc12_ain_pins_a>, <&adc12_usb_cc_pins_a>;
+	vdd-supply = <&vdd>;
+	vdda-supply = <&vdd>;
+	vref-supply = <&vrefbuf>;
+	status = "disabled";
+	adc1: adc at 0 {
+		/*
+		 * Type-C USB_PWR_CC1 & USB_PWR_CC2 on in18 & in19.
+		 * Use at least 5 * RC time, e.g. 5 * (Rp + Rd) * C:
+		 * 5 * (56 + 47kOhms) * 5pF => 2.5us.
+		 * Use arbitrary margin here (e.g. 5us).
+		 */
+		st,min-sample-time-nsecs = <5000>;
+		/* AIN connector, USB Type-C CC1 & CC2 */
+		st,adc-channels = <0 1 6 13 18 19>;
+		status = "okay";
+	};
+	adc2: adc at 100 {
+		/* AIN connector, USB Type-C CC1 & CC2 */
+		st,adc-channels = <0 1 2 6 18 19>;
+		st,min-sample-time-nsecs = <5000>;
 		status = "okay";
 	};
 };
@@ -146,9 +174,7 @@
 		reset-gpios = <&gpioa 10 GPIO_ACTIVE_LOW>;
 		interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
 		interrupt-parent = <&gpiog>;
-		pinctrl-names = "default", "sleep";
-		pinctrl-0 = <&ltdc_pins_a>;
-		pinctrl-1 = <&ltdc_pins_sleep_a>;
+		#sound-dai-cells = <0>;
 		status = "okay";
 
 		ports {
@@ -161,6 +187,13 @@
 					remote-endpoint = <&ltdc_ep0_out>;
 				};
 			};
+
+			port at 3 {
+				reg = <3>;
+				sii9022_tx_endpoint: endpoint {
+					remote-endpoint = <&i2s2_endpoint>;
+				};
+			};
 		};
 	};
 
@@ -244,7 +277,7 @@
 
 			vddcore: buck1 {
 				regulator-name = "vddcore";
-				regulator-min-microvolt = <800000>;
+				regulator-min-microvolt = <1200000>;
 				regulator-max-microvolt = <1350000>;
 				regulator-always-on;
 				regulator-initial-mode = <0>;
@@ -345,7 +378,7 @@
 			 vbus_sw: pwr_sw2 {
 				regulator-name = "vbus_sw";
 				interrupts = <IT_OCP_SWOUT 0>;
-				regulator-active-discharge;
+				regulator-active-discharge = <1>;
 			 };
 		};
 
@@ -364,6 +397,23 @@
 	};
 };
 
+&i2s2 {
+	clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
+	clock-names = "pclk", "i2sclk", "x8k", "x11k";
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2s2_pins_a>;
+	pinctrl-1 = <&i2s2_pins_sleep_a>;
+	status = "okay";
+
+	i2s2_port: port {
+		i2s2_endpoint: endpoint {
+			remote-endpoint = <&sii9022_tx_endpoint>;
+			format = "i2s";
+			mclk-fs = <256>;
+		};
+	};
+};
+
 &ipcc {
 	status = "okay";
 };
@@ -374,6 +424,9 @@
 };
 
 &ltdc {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&ltdc_pins_a>;
+	pinctrl-1 = <&ltdc_pins_sleep_a>;
 	status = "okay";
 
 	port {
diff --git a/arch/arm/dts/stm32mp157c-dk2.dts b/arch/arm/dts/stm32mp157c-dk2.dts
index 020ea0f0e2..d26adcbeba 100644
--- a/arch/arm/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/dts/stm32mp157c-dk2.dts
@@ -53,6 +53,19 @@
 	};
 };
 
+&i2c1 {
+	touchscreen at 38 {
+		compatible = "focaltech,ft6236";
+		reg = <0x38>;
+		interrupts = <2 2>;
+		interrupt-parent = <&gpiof>;
+		interrupt-controller;
+		touchscreen-size-x = <480>;
+		touchscreen-size-y = <800>;
+		status = "okay";
+	};
+};
+
 &ltdc {
 	status = "okay";
 
diff --git a/arch/arm/dts/stm32mp157c-ed1.dts b/arch/arm/dts/stm32mp157c-ed1.dts
index acb59f24cc..ae4da39ce8 100644
--- a/arch/arm/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/dts/stm32mp157c-ed1.dts
@@ -84,7 +84,21 @@
 
 		gpios = <&gpiof 14 GPIO_ACTIVE_HIGH>;
 		gpios-states = <0>;
-		states = <1800000 0x1 2900000 0x0>;
+		states = <1800000 0x1>,
+			 <2900000 0x0>;
+	};
+};
+
+&dac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&dac_ch1_pins_a &dac_ch2_pins_a>;
+	vref-supply = <&vdda>;
+	status = "disabled";
+	dac1: dac at 1 {
+		status = "okay";
+	};
+	dac2: dac at 2 {
+		status = "okay";
 	};
 };
 
@@ -127,7 +141,7 @@
 
 			vddcore: buck1 {
 				regulator-name = "vddcore";
-				regulator-min-microvolt = <800000>;
+				regulator-min-microvolt = <1200000>;
 				regulator-max-microvolt = <1350000>;
 				regulator-always-on;
 				regulator-initial-mode = <0>;
@@ -225,7 +239,7 @@
 			 vbus_sw: pwr_sw2 {
 				regulator-name = "vbus_sw";
 				interrupts = <IT_OCP_SWOUT 0>;
-				regulator-active-discharge;
+				regulator-active-discharge = <1>;
 			 };
 		};
 
diff --git a/arch/arm/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts
index aa5892b156..bd8ffc185f 100644
--- a/arch/arm/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/dts/stm32mp157c-ev1.dts
@@ -32,7 +32,6 @@
 
 	joystick {
 		compatible = "gpio-keys";
-		#size-cells = <0>;
 		pinctrl-0 = <&joystick_pins>;
 		pinctrl-names = "default";
 		button-0 {
@@ -343,14 +342,12 @@
 
 &usbh_ehci {
 	phys = <&usbphyc_port0>;
-	phy-names = "usb";
 	status = "okay";
 };
 
 &usbotg_hs {
 	dr_mode = "peripheral";
 	phys = <&usbphyc_port1 0>;
-	phy-names = "usb2-phy";
 	status = "okay";
 };
 
