diff --git a/include/dt-bindings/regulator/dlg,da9063-regulator.h b/include/dt-bindings/regulator/dlg,da9063-regulator.h
new file mode 100644
index 0000000000..1de710dd08
--- /dev/null
+++ b/include/dt-bindings/regulator/dlg,da9063-regulator.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _DT_BINDINGS_REGULATOR_DLG_DA9063_H
+#define _DT_BINDINGS_REGULATOR_DLG_DA9063_H
+
+/*
+ * These buck mode constants may be used to specify values in device tree
+ * properties (e.g. regulator-initial-mode).
+ * A description of the following modes is in the manufacturers datasheet.
+ */
+
+#define DA9063_BUCK_MODE_SLEEP		1
+#define DA9063_BUCK_MODE_SYNC		2
+#define DA9063_BUCK_MODE_AUTO		3
+
+#endif