diff --git a/dts/bindings/adc/st,stm32-adc.yaml b/dts/bindings/adc/st,stm32-adc.yaml
index 66afd7e..8fe15c6 100644
--- a/dts/bindings/adc/st,stm32-adc.yaml
+++ b/dts/bindings/adc/st,stm32-adc.yaml
@@ -44,5 +44,17 @@
     type: boolean
     description: Indicates if the ADC has a dedicated internal vbat monitoring channel.
 
+  temp-channel:
+    type: int
+    description: Indicates the ADC channel of the internal temperature sensor.
+
+  vref-channel:
+    type: int
+    description: Indicates the ADC channel of the internal voltage reference.
+
+  vbat-channel:
+    type: int
+    description: Indicates the ADC channel of the internal vbat monitoring.
+
 io-channel-cells:
   - input