tests: drivers: build_all: mdio: add bit bang testsuite

- Add mdio to a build_all testsuite
- Add mdio bit bang to a build_all testsuite

Signed-off-by: Aleksandr Senin <al@meshium.net>

tests/drivers/build_all/mdio/CMakeLists.txt

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

tests/drivers/build_all/mdio/app.overlay

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 Aleksandr Senin
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Application overlay for testing driver builds
+ *
+ * Names in this file should be chosen in a way that won't conflict
+ * with real-world devicetree nodes, to allow these tests to run on
+ * (and be extended to test) real hardware.
+ */
+
+/ {
+	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_mdio0: mdio@11112222 {
+			compatible = "zephyr,mdio-gpio";
+			reg = <0x11112222 1>;
+			mdc-gpios = <&test_gpio 0 0>;
+			mdio-gpios = <&test_gpio 0 0>;
+			status = "okay";
+		};
+
+		test_mdio1: mdio@33334444 {
+			compatible = "zephyr,mdio-gpio";
+			reg = <0x33334444 1>;
+			mdc-gpios = <&test_gpio 0 0>;
+			mdio-gpios = <&test_gpio 0 0>;
+			status = "okay";
+		};
+	};
+};

tests/drivers/build_all/mdio/prj.conf

@@ -0,0 +1,5 @@
+CONFIG_TEST=y
+CONFIG_TEST_USERSPACE=y
+CONFIG_GPIO=y
+CONFIG_MDIO=y
+CONFIG_MDIO_GPIO=y

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

@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2023 Aleksandr Senin
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+int main(void)
+{
+	return 0;
+}

tests/drivers/build_all/mdio/testcase.yaml

@@ -0,0 +1,8 @@
+common:
+  build_only: true
+  tags:
+    - drivers
+    - mdio
+tests:
+  drivers.mdio.build:
+    platform_allow: qemu_cortex_m0