new file mode 100644
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
+ */
+
+#ifndef __DT_BINDINGS_REGULATOR_ST_STM32MP13_REGULATOR_H
+#define __DT_BINDINGS_REGULATOR_ST_STM32MP13_REGULATOR_H
+
+/* SCMI voltage domains identifiers */
+
+/* SOC Internal regulators */
+#define VOLTD_SCMI_REG11 0
+#define VOLTD_SCMI_REG18 1
+#define VOLTD_SCMI_USB33 2
+#define VOLTD_SCMI_SDMMC1_IO 3
+#define VOLTD_SCMI_SDMMC2_IO 4
+#define VOLTD_SCMI_VREFBUF 5
+
+/* STPMIC1 regulators */
+#define VOLTD_SCMI_STPMIC1_BUCK1 6
+#define VOLTD_SCMI_STPMIC1_BUCK2 7
+#define VOLTD_SCMI_STPMIC1_BUCK3 8
+#define VOLTD_SCMI_STPMIC1_BUCK4 9
+#define VOLTD_SCMI_STPMIC1_LDO1 10
+#define VOLTD_SCMI_STPMIC1_LDO2 11
+#define VOLTD_SCMI_STPMIC1_LDO3 12
+#define VOLTD_SCMI_STPMIC1_LDO4 13
+#define VOLTD_SCMI_STPMIC1_LDO5 14
+#define VOLTD_SCMI_STPMIC1_LDO6 15
+#define VOLTD_SCMI_STPMIC1_VREFDDR 16
+#define VOLTD_SCMI_STPMIC1_BOOST 17
+#define VOLTD_SCMI_STPMIC1_PWR_SW1 18
+#define VOLTD_SCMI_STPMIC1_PWR_SW2 19
+
+/* External regulators */
+#define VOLTD_SCMI_REGU0 20
+#define VOLTD_SCMI_REGU1 21
+#define VOLTD_SCMI_REGU2 22
+#define VOLTD_SCMI_REGU3 23
+#define VOLTD_SCMI_REGU4 24
+
+#endif /*__DT_BINDINGS_REGULATOR_ST_STM32MP13_REGULATOR_H */