tests: drivers: build_all: display: Add mipi-dsi devices to build test

drivers/mipi_dsi/CMakeLists.txt

@@ -2,3 +2,4 @@ zephyr_sources_ifdef(CONFIG_MIPI_DSI mipi_dsi.c)
 zephyr_sources_ifdef(CONFIG_MIPI_DSI_MCUX dsi_mcux.c)
 zephyr_sources_ifdef(CONFIG_MIPI_DSI_MCUX_2L dsi_mcux_2l.c)
 zephyr_sources_ifdef(CONFIG_MIPI_DSI_STM32 dsi_stm32.c)
+zephyr_sources_ifdef(CONFIG_MIPI_DSI_TEST dsi_test.c)

drivers/mipi_dsi/Kconfig

@@ -17,11 +17,12 @@ source "subsys/logging/Kconfig.template.log_config"
 
 config MIPI_DSI_INIT_PRIORITY
 	int "Initialization priority"
-	default 86
+	default 85
 	help
 	  MIPI-DSI Host Controllers initialization priority.
 
 source "drivers/mipi_dsi/Kconfig.mcux"
 source "drivers/mipi_dsi/Kconfig.stm32"
+source "drivers/mipi_dsi/Kconfig.test"
 
 endif

drivers/mipi_dsi/Kconfig.test

@@ -0,0 +1,6 @@
+# Copyright (c) 2024 TOKITA Hiroshi
+# SPDX-License-Identifier: Apache-2.0
+
+config MIPI_DSI_TEST
+	def_bool DT_HAS_VND_MIPI_DSI_ENABLED
+	depends on DT_HAS_VND_MIPI_DSI_ENABLED

drivers/mipi_dsi/dsi_test.c

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2024 TOKITA Hiroshi
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*
+ * This is not a real mipi-dsi driver. It is used to instantiate struct
+ * devices for the "vnd,mipi-dsi" devicetree compatible used in test code.
+ */
+
+#include <zephyr/drivers/mipi_dsi.h>
+
+#define DT_DRV_COMPAT vnd_mipi_dsi
+
+static int vnd_mipi_dsi_attach(const struct device *dev, uint8_t channel,
+			       const struct mipi_dsi_device *mdev)
+{
+	ARG_UNUSED(dev);
+	ARG_UNUSED(channel);
+	ARG_UNUSED(mdev);
+
+	return -ENOTSUP;
+}
+
+static ssize_t vnd_mipi_dsi_transfer(const struct device *dev, uint8_t channel,
+				     struct mipi_dsi_msg *msg)
+{
+	ARG_UNUSED(dev);
+	ARG_UNUSED(channel);
+	ARG_UNUSED(msg);
+
+	return -1;
+}
+
+static int vnd_mipi_dsi_detach(const struct device *dev, uint8_t channel,
+			       const struct mipi_dsi_device *mdev)
+{
+	ARG_UNUSED(dev);
+	ARG_UNUSED(channel);
+	ARG_UNUSED(mdev);
+
+	return -ENOTSUP;
+}
+
+static struct mipi_dsi_driver_api vnd_mipi_dsi_api = {
+	.attach = vnd_mipi_dsi_attach,
+	.transfer = vnd_mipi_dsi_transfer,
+	.detach = vnd_mipi_dsi_detach,
+};
+
+#define VND_MIPI_DSI_INIT(n)                                                                       \
+	DEVICE_DT_INST_DEFINE(n, NULL, NULL, NULL, NULL, POST_KERNEL,                              \
+			      CONFIG_MIPI_DSI_INIT_PRIORITY, &vnd_mipi_dsi_api);
+
+DT_INST_FOREACH_STATUS_OKAY(VND_MIPI_DSI_INIT)

dts/bindings/test/vnd,mipi-dsi.yaml

@@ -0,0 +1,11 @@
+#
+# Copyright (c) 2024 TOKITA Hiroshi
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+description: Test MIPI DSI host
+
+compatible: "vnd,mipi-dsi"
+
+include: [mipi-dsi-host.yaml]

tests/drivers/build_all/display/app.overlay

@@ -135,8 +135,90 @@
 				width = <240>;
 				height = <240>;
 			};
+
+			test_spi_ssd1327fb: ssd1327fb@7 {
+				compatible = "solomon,ssd1327fb";
+				reg = <7>;
+				mipi-max-frequency = <100000000>;
+
+				width = <240>;
+				height = <240>;
+				oscillator-freq = <0>;
+				display-offset = <0>;
+				start-line = <0>;
+				multiplex-ratio = <0>;
+				prechargep = <0>;
+				remap-value = <0>;
+			};
 		};
 
+		test_mipi_dsi {
+			compatible = "vnd,mipi-dsi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			test_hx8394: hx8394@0 {
+				status = "okay";
+				compatible = "himax,hx8394";
+				reg = <0x0>;
+				reset-gpios = <&test_gpio 0 0>;
+				data-lanes = <2>;
+				width = <720>;
+				height = <1280>;
+				pixel-format = <0>;
+			};
+
+			test_nt35510: nt35510@1 {
+				status = "okay";
+				compatible = "frida,nt35510";
+				reg = <0x1>;
+				height = <800>;
+				width = <480>;
+				reset-gpios = <&test_gpio 0 0>;
+				bl-gpios = <&test_gpio 0 0>;
+				data-lanes = <2>;
+				pixel-format = <0>;
+				rotation = <90>;
+			};
+
+			test_otm8009a: otm8009a@2 {
+				status = "okay";
+				compatible = "orisetech,otm8009a";
+				reg = <0x2>;
+				height = <800>;
+				width = <480>;
+				reset-gpios = <&test_gpio 0 0>;
+				bl-gpios = <&test_gpio 0 0>;
+				data-lanes = <2>;
+				pixel-format = <0>;
+				rotation = <90>;
+			};
+
+			test_rm67162: rm67162@3 {
+				status = "okay";
+				compatible = "raydium,rm67162";
+				reg = <0x3>;
+				reset-gpios = <&test_gpio 0 0>;
+				bl-gpios = <&test_gpio 0 0>;
+				te-gpios = <&test_gpio 0 0>;
+				data-lanes = <1>;
+				width = <400>;
+				height = <392>;
+				pixel-format = <0>;
+			};
+
+			test_rm68200: rm68200@4 {
+				status = "okay";
+				compatible = "raydium,rm68200";
+				reg = <0x4>;
+				reset-gpios = <&test_gpio 0 0>;
+				data-lanes = <2>;
+				width = <720>;
+				height = <1280>;
+				pixel-format = <0>;
+			};
+		};
 
 		test_spi: spi@33334444 {
 			#address-cells = <1>;

tests/drivers/build_all/display/prj.conf

@@ -2,3 +2,4 @@ CONFIG_TEST=y
 CONFIG_SPI=y
 CONFIG_GPIO=y
 CONFIG_DISPLAY=y
+CONFIG_MIPI_DSI=y