tests: display: add support test GLCDC on ek_ra8d1

This commit to add support to build tests/drivers/display on ek_ra8d1

Signed-off-by: The Nguyen <[email protected]>

Author: thenguyenyf

tests/drivers/display/display_read_write/Kconfig

@@ -0,0 +1,26 @@
+# Copyright (c) 2024 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+mainmenu "Display Read Write Test"
+
+source "Kconfig.zephyr"
+
+config DISPLAY_BUFFER_USE_GENERIC_SECTION
+	bool "Place the display buffer in a specific memory section"
+	help
+	  Place the display buffer in a specific memory section.
+
+config DISPLAY_BUFFER_ALIGNMENT
+	int "Display buffer memory alignment"
+	default 32
+	help
+	  Specific display buffer alignment.
+
+if DISPLAY_BUFFER_USE_GENERIC_SECTION
+
+config DISPLAY_BUFFER_SECTION
+	string "Memory section to place Display Buffer"
+	help
+	  Specific memory section to place the display buffer.
+
+endif # DISPLAY_BUFFER_USE_GENERIC_SECTION

tests/drivers/display/display_read_write/boards/ek_ra8d1.conf

@@ -0,0 +1,6 @@
+# Copyright (c) 2024 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_DISPLAY_BUFFER_USE_GENERIC_SECTION=y
+CONFIG_DISPLAY_BUFFER_SECTION=".sdram"
+CONFIG_DISPLAY_BUFFER_ALIGNMENT=64

tests/drivers/display/display_read_write/src/main.c

@@ -14,8 +14,12 @@ LOG_MODULE_DECLARE(display_api, CONFIG_DISPLAY_LOG_LEVEL);
 static const struct device *dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_display));
 static const uint32_t display_width = DT_PROP(DT_CHOSEN(zephyr_display), width);
 static const uint32_t display_height = DT_PROP(DT_CHOSEN(zephyr_display), height);
+#ifdef CONFIG_DISPLAY_BUFFER_USE_GENERIC_SECTION
+Z_GENERIC_SECTION(CONFIG_DISPLAY_BUFFER_SECTION)
+#endif
 static uint8_t disp_buffer[DT_PROP(DT_CHOSEN(zephyr_display), width) *
-			   DT_PROP(DT_CHOSEN(zephyr_display), height) * 4];
+			   DT_PROP(DT_CHOSEN(zephyr_display), height) * 4]
+	__aligned(CONFIG_DISPLAY_BUFFER_ALIGNMENT);
 static struct display_capabilities cfg;
 static uint8_t bpp;
 static bool is_tiled;

tests/drivers/display/display_read_write/testcase.yaml

@@ -69,3 +69,10 @@ tests:
     # presence of the arduino_spi DT nodelabel
     platform_allow:
       - mimxrt685_evk/mimxrt685s/cm33
+  drivers.display.read_write.rtkmipilcdb00000be:
+    tags:
+      - shield
+    extra_args:
+      - SHIELD=rtkmipilcdb00000be
+    platform_allow:
+      - ek_ra8d1