new file mode 100644
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2024, STMicroelectronics - All Rights Reserved
+ */
+
+#ifndef __DT_BINDINGS_REGULATOR_ST_STM32MP25_REGULATOR_H
+#define __DT_BINDINGS_REGULATOR_ST_STM32MP25_REGULATOR_H
+
+/* SCMI voltage domains identifiers */
+
+/* SOC Internal regulators */
+#define VOLTD_SCMI_VDDIO1 0
+#define VOLTD_SCMI_VDDIO2 1
+#define VOLTD_SCMI_VDDIO3 2
+#define VOLTD_SCMI_VDDIO4 3
+#define VOLTD_SCMI_VDDIO 4
+#define VOLTD_SCMI_UCPD 5
+#define VOLTD_SCMI_USB33 6
+#define VOLTD_SCMI_ADC 7
+#define VOLTD_SCMI_GPU 8
+#define VOLTD_SCMI_VREFBUF 9
+
+/* STPMIC2 regulators */
+#define VOLTD_SCMI_STPMIC2_BUCK1 10
+#define VOLTD_SCMI_STPMIC2_BUCK2 11
+#define VOLTD_SCMI_STPMIC2_BUCK3 12
+#define VOLTD_SCMI_STPMIC2_BUCK4 13
+#define VOLTD_SCMI_STPMIC2_BUCK5 14
+#define VOLTD_SCMI_STPMIC2_BUCK6 15
+#define VOLTD_SCMI_STPMIC2_BUCK7 16
+#define VOLTD_SCMI_STPMIC2_LDO1 17
+#define VOLTD_SCMI_STPMIC2_LDO2 18
+#define VOLTD_SCMI_STPMIC2_LDO3 19
+#define VOLTD_SCMI_STPMIC2_LDO4 20
+#define VOLTD_SCMI_STPMIC2_LDO5 21
+#define VOLTD_SCMI_STPMIC2_LDO6 22
+#define VOLTD_SCMI_STPMIC2_LDO7 23
+#define VOLTD_SCMI_STPMIC2_LDO8 24
+#define VOLTD_SCMI_STPMIC2_REFDDR 25
+
+/* External regulators */
+#define VOLTD_SCMI_REGU0 26
+#define VOLTD_SCMI_REGU1 27
+#define VOLTD_SCMI_REGU2 28
+#define VOLTD_SCMI_REGU3 29
+#define VOLTD_SCMI_REGU4 30
+
+#endif /*__DT_BINDINGS_REGULATOR_ST_STM32MP25_REGULATOR_H */