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

The test targets the following devices at this time.

- atmel,at45
- jedec,spi-nor

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

tests/drivers/build_all/flash/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/flash/app.overlay

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024 TOKITA Hiroshi
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	test {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		test_gpio: gpio@deadbeef {
+			compatible = "vnd,gpio";
+			gpio-controller;
+			reg = <0xdeadbeef 0x1000>;
+			#gpio-cells = <0x2>;
+			status = "okay";
+		};
+
+		test_spi: spi@33334444 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "vnd,spi";
+			reg = <0x33334444 0x1000>;
+			status = "okay";
+			clock-frequency = <2000000>;
+
+			/* one entry for every devices at spi.dtsi */
+			cs-gpios = <&test_gpio 0 0>,
+				   <&test_gpio 0 0>,
+				   <&test_gpio 0 0>,
+				   <&test_gpio 0 0>,
+				   <&test_gpio 0 0>;
+
+			#include "spi.dtsi"
+		};
+	};
+};

tests/drivers/build_all/flash/prj.conf

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+CONFIG_FLASH=y
+CONFIG_GPIO=y

tests/drivers/build_all/flash/spi.dtsi

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+/*
+ * Copyright (c) 2024 TOKITA Hiroshi
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+at45@0 {
+	compatible = "atmel,at45";
+	reg = <0x0>;
+	status = "okay";
+	spi-max-frequency = <5000000>;
+	jedec-id = [00 11 22];
+	size = <1048576>;
+	sector-size = <1>;
+	sector-0a-pages = <1>;
+	block-size = <1>;
+	page-size = <1>;
+};
+
+spi-nor@1 {
+	compatible = "jedec,spi-nor";
+	reg = <0x1>;
+	status = "okay";
+	spi-max-frequency = <5000000>;
+	size = <1048576>;
+	jedec-id = [00 11 22];
+};

tests/drivers/build_all/flash/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/flash/testcase.yaml

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