diff --git a/Kbuild b/Kbuild
index 3e471e19..c5bd3f96 100644
--- a/Kbuild
+++ b/Kbuild
@@ -37,10 +37,12 @@ endif
 
 ifeq ($(CONFIG_ARCH_TUNA),y)
 dtbo-y += tuna-ipa.dtbo
+dtbo-y += tuna-smem-mailbox.dtbo
 endif
 
 ifeq ($(CONFIG_ARCH_KERA),y)
 dtbo-y += kera-ipa.dtbo
+dtbo-y += kera-smem-mailbox.dtbo
 endif
 
 always-y	:= $(dtb-y) $(dtbo-y)
diff --git a/kera-smem-mailbox.dts b/kera-smem-mailbox.dts
new file mode 100644
index 00000000..9231bc9f
--- /dev/null
+++ b/kera-smem-mailbox.dts
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2025 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/soc/qcom,ipcc.h>
+#include <dt-bindings/clock/qcom,rpmh.h>
+#include "smem-mailbox.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. Kera SoC";
+	compatible = "qcom,kera";
+	qcom,msm-id = <659 0x10000>;
+	qcom,board-id = <0 0>;
+};
diff --git a/tuna-smem-mailbox.dts b/tuna-smem-mailbox.dts
new file mode 100644
index 00000000..8ee7872c
--- /dev/null
+++ b/tuna-smem-mailbox.dts
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2025 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/soc/qcom,ipcc.h>
+#include <dt-bindings/clock/qcom,rpmh.h>
+#include "smem-mailbox.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. Tuna SoC";
+	compatible = "qcom,tuna";
+	qcom,msm-id = <655 0x10000>;
+	qcom,board-id = <0 0>;
+};