diff --git a/include/dt-bindings/iio/qcom,spmi-vadc.h b/include/dt-bindings/iio/qcom,spmi-vadc.h
index 467786861849..e7bbdbc1fc26 100644
--- a/include/dt-bindings/iio/qcom,spmi-vadc.h
+++ b/include/dt-bindings/iio/qcom,spmi-vadc.h
@@ -322,5 +322,6 @@
 #define ADC_SCALE_HW_CALIB_PM7_SMB_TEMP		18
 #define ADC_SCALE_HW_CALIB_PM7_CHG_TEMP		19
 #define ADC_SCALE_HW_CALIB_CUR_RAW		20
+#define ADC_SCALE_HW_CALIB_PM2250_S3_DIE_TEMP	21
 
 #endif /* _DT_BINDINGS_QCOM_SPMI_VADC_H */