drivers: display: add support for GLCDC on Renesas RA family

First commit to add support for Graphics LCD Controller on Renesas RA

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

Author: thenguyenyf

drivers/display/CMakeLists.txt

@@ -31,6 +31,7 @@ zephyr_library_sources_ifdef(CONFIG_GC9X01X		display_gc9x01x.c)
 zephyr_library_sources_ifdef(CONFIG_LED_STRIP_MATRIX	display_led_strip_matrix.c)
 zephyr_library_sources_ifdef(CONFIG_DISPLAY_RENESAS_LCDC display_renesas_lcdc.c)
 zephyr_library_sources_ifdef(CONFIG_NT35510		display_nt35510.c)
+zephyr_library_sources_ifdef(CONFIG_RENESAS_RA_GLCDC		display_renesas_ra.c)
 
 zephyr_library_sources_ifdef(CONFIG_MICROBIT_DISPLAY
 	mb_display.c

drivers/display/Kconfig

@@ -48,5 +48,6 @@ source "drivers/display/Kconfig.gc9x01x"
 source "drivers/display/Kconfig.led_strip_matrix"
 source "drivers/display/Kconfig.renesas_lcdc"
 source "drivers/display/Kconfig.nt35510"
+source "drivers/display/Kconfig.renesas_ra"
 
 endif # DISPLAY

drivers/display/Kconfig.renesas_ra

@@ -0,0 +1,34 @@
+# Renesas RA Family
+
+# Copyright (c) 2024 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config RENESAS_RA_GLCDC
+	bool "Renesas display controller driver"
+	default y
+	depends on DT_HAS_RENESAS_RA_GLCDC_ENABLED
+	select USE_RA_FSP_DISPLAY
+	help
+	  Enable Renesas display controller.
+
+if RENESAS_RA_GLCDC
+
+config RENESAS_RA_GLCDC_FB_NUM
+	int "Frame buffer number"
+	default 2
+	range 0 2
+	help
+	  RENESAS RA GLCDC frame buffer number config:
+	    - 0 frame buffer maintained by application, must write with full screen pixels.
+	    - 1 single frame buffer in RENESAS RA GLCDC driver.
+	    - 2 double frame buffer in RENESAS RA GLCDC driver.
+
+if LVGL
+
+# Force display buffers to be aligned to cache line size (64 bytes)
+config LV_Z_VDB_ALIGN
+	default 64
+
+endif # LVGL
+
+endif # RENESAS_RA_GLCDC