diff --git a/dts/arm/st/g4/stm32g4.dtsi b/dts/arm/st/g4/stm32g4.dtsi
index 6e7fecbe243..6efac265205 100644
--- a/dts/arm/st/g4/stm32g4.dtsi
+++ b/dts/arm/st/g4/stm32g4.dtsi
@@ -31,6 +31,29 @@
 	};
 
 	soc {
+		/*
+		 * Both adc instances cannot be used in parallel right now.
+		 */
+		adc0: adc@50000000 {
+			compatible = "st,stm32-adc";
+			reg = <0x50000000 0x100>;
+			clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00002000>;
+			interrupts = <18 0>;
+			status = "disabled";
+			label = "ADC_0";
+			#io-channel-cells = <1>;
+		};
+
+		adc1: adc@50000100 {
+			compatible = "st,stm32-adc";
+			reg = <0x50000100 0x100>;
+			clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00002000>;
+			interrupts = <18 0>;
+			status = "disabled";
+			label = "ADC_1";
+			#io-channel-cells = <1>;
+		};
+
 		flash-controller@40022000 {
 			compatible = "st,stm32g4-flash-controller";
 			label = "FLASH_CTRL";
diff --git a/soc/arm/st_stm32/stm32g4/dts_fixup.h b/soc/arm/st_stm32/stm32g4/dts_fixup.h
index dacd581dae0..9d0e67676ea 100644
--- a/soc/arm/st_stm32/stm32g4/dts_fixup.h
+++ b/soc/arm/st_stm32/stm32g4/dts_fixup.h
@@ -8,6 +8,9 @@
 
 #define DT_NUM_IRQ_PRIO_BITS			DT_ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
 
+#define DT_ADC_0_NAME			DT_LABEL(DT_INST(0, st_stm32_adc))
+#define DT_ADC_1_NAME			DT_LABEL(DT_INST(1, st_stm32_adc))
+
 #define DT_FLASH_DEV_NAME			DT_LABEL(DT_INST(0, st_stm32g4_flash_controller))
 
 #define DT_RTC_0_NAME				DT_LABEL(DT_INST(0, st_stm32_rtc))