diff --git a/include/drivers/st/stm32mp_pmic.h b/include/drivers/st/stm32mp_pmic.h
index 4dfb038..303c571 100644
--- a/include/drivers/st/stm32mp_pmic.h
+++ b/include/drivers/st/stm32mp_pmic.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2021, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2017-2022, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -48,4 +48,11 @@
  */
 int pmic_ddr_power_init(enum ddr_type ddr_type);
 
+/*
+ * pmic_voltages_init - Update voltages for platform init
+ *
+ * Returns 0 on success, and negative values on errors
+ */
+int pmic_voltages_init(void);
+
 #endif /* STM32MP_PMIC_H */