tests: drivers: build_all: Add a build_all test for bbram

The test targets the following devices at this time.

- microchip,mcp7940n

Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>

tests/drivers/build_all/bbram/CMakeLists.txt

@@ -0,0 +1,8 @@
+# Copyright (c) 2024 TOKITA Hiroshi
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(build_all)
+
+target_sources(app PRIVATE src/main.c)

tests/drivers/build_all/bbram/app.overlay

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2024 TOKITA Hiroshi
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+ #include <zephyr/dt-bindings/i2c/i2c.h>
+
+/ {
+	test {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		test_i2c: i2c@11112222 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "vnd,i2c";
+			reg = <0x11112222 0x1000>;
+			status = "okay";
+			clock-frequency = <I2C_BITRATE_STANDARD>;
+
+			#include "i2c.dtsi"
+		};
+	};
+};

tests/drivers/build_all/bbram/i2c.dtsi

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2024 TOKITA Hiroshi
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/****************************************
+ * PLEASE KEEP REG ADDRESSES SEQUENTIAL *
+ ***************************************/
+
+mcp7940n@0 {
+	compatible = "microchip,mcp7940n";
+	reg = <0x0>;
+	status = "okay";
+};

tests/drivers/build_all/bbram/prj.conf

@@ -0,0 +1 @@
+CONFIG_BBRAM=y

tests/drivers/build_all/bbram/src/main.c

@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2024 TOKITA Hiroshi
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* It is okay if main() is not included since just checking the build. */

tests/drivers/build_all/bbram/testcase.yaml

@@ -0,0 +1,19 @@
+# Copyright (c) 2024 TOKITA hiroshi
+# SPDX-License-Identifier: Apache-2.0
+
+common:
+  build_only: true
+  tags:
+    - drivers
+    - bbram
+
+tests:
+  drivers.bbram.build:
+    platform_allow:
+      - native_sim
+
+  drivers.bbram.emul.build:
+    platform_allow:
+      - native_sim
+    extra_configs:
+      - CONFIG_EMUL=y