diff --git a/dts/bindings/bluetooth/st,hci-spi-v1.yaml b/dts/bindings/bluetooth/st,hci-spi-v1.yaml
new file mode 100644
index 00000000000..d61b936c5b6
--- /dev/null
+++ b/dts/bindings/bluetooth/st,hci-spi-v1.yaml
@@ -0,0 +1,6 @@
+# Copyright (c) 2023, STMicroelectronics
+# SPDX-License-Identifier: Apache-2.0
+
+description: STMicroelectronics SPI protocol V1 compatible with BlueNRG-MS devices
+
+compatible: "st,hci-spi-v1"
diff --git a/dts/bindings/bluetooth/st,hci-spi-v2.yaml b/dts/bindings/bluetooth/st,hci-spi-v2.yaml
new file mode 100644
index 00000000000..58e91e496e2
--- /dev/null
+++ b/dts/bindings/bluetooth/st,hci-spi-v2.yaml
@@ -0,0 +1,6 @@
+# Copyright (c) 2023, STMicroelectronics
+# SPDX-License-Identifier: Apache-2.0
+
+description: STMicroelectronics SPI protocol V2 compatible with BlueNRG-1 and successor devices
+
+compatible: "st,hci-spi-v2"