1 files changed, 45 insertions, 0 deletions
diff --git a/zephyr/test/system_shim/boards/native_posix.overlay b/zephyr/test/system_shim/boards/native_posix.overlay
new file mode 100644
index 0000000000..0bcda0f513
--- /dev/null
+++ b/zephyr/test/system_shim/boards/native_posix.overlay
@@ -0,0 +1,45 @@
+/* Copyright 2020 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <board-overlays/native_posix.dts>
+
+/ {
+	chosen {
+		cros-ec,bbram = &bbram;
+	};
+
+	bbram: test-bbram-dev {
+		compatible = "zephyr,bbram-emul";
+		size = <64>;
+	};
+
+	named-bbram-regions {
+		compatible = "named-bbram-regions";
+		pd0 {
+			offset = <0x00>;
+			size = <0x01>;
+		};
+		pd1 {
+			offset = <0x01>;
+			size = <0x02>;
+		};
+		try_slot {
+			offset = <0x03>;
+			size = <0x04>;
+		};
+		pd2 {
+			offset = <0x07>;
+			size = <0x05>;
+		};
+		scratchpad {
+			offset = <0x0c>;
+			size = <0x04>;
+		};
+		saved-reset-flags {
+			offset = <0x10>;
+			size = <0x04>;
+		};
+	};
+};