drivers: display: Introduce st730x display controller

Introduces epaper-like high resolution st730x serie controllers. b&w only

Signed-off-by: Camille BAUD <[email protected]>

Author: VynDragon

drivers/display/CMakeLists.txt

@@ -25,6 +25,7 @@ zephyr_library_sources_ifdef(CONFIG_SSD16XX		ssd16xx.c)
 zephyr_library_sources_ifdef(CONFIG_SSD1322		ssd1322.c)
 zephyr_library_sources_ifdef(CONFIG_SSD1331		display_ssd1331.c)
 zephyr_library_sources_ifdef(CONFIG_SSD135X		display_ssd135x.c)
+zephyr_library_sources_ifdef(CONFIG_ST730X		display_st730x.c)
 zephyr_library_sources_ifdef(CONFIG_ST75256		display_st75256.c)
 zephyr_library_sources_ifdef(CONFIG_ST7567		display_st7567.c)
 zephyr_library_sources_ifdef(CONFIG_ST7789V		display_st7789v.c)

drivers/display/Kconfig

@@ -35,6 +35,7 @@ source "drivers/display/Kconfig.ssd1322"
 source "drivers/display/Kconfig.ssd1331"
 source "drivers/display/Kconfig.ssd135x"
 source "drivers/display/Kconfig.ssd1363"
+source "drivers/display/Kconfig.st730x"
 source "drivers/display/Kconfig.st75256"
 source "drivers/display/Kconfig.st7567"
 source "drivers/display/Kconfig.st7735r"

drivers/display/Kconfig.st730x

@@ -0,0 +1,26 @@
+# Copyright (c) 2025 MASSDRIVER EI (massdriver.space)
+# SPDX-License-Identifier: Apache-2.0
+
+config ST730X
+	bool "ST730x display controllers driver"
+	default y
+	depends on DT_HAS_SITRONIX_ST7305_ENABLED || DT_HAS_SITRONIX_ST7306_ENABLED
+	select MIPI_DBI
+	help
+	  Enable driver for ST730X series display controllers.
+
+if ST730X
+
+config ST730X_CONV_BUFFER_LINE_CNT
+	int "Size of the conversion buffer in lines"
+	default 8
+	range 1 1024
+	help
+	  Size of the conversion buffer in lines.
+
+config ST730X_POWERMODE_LOW
+	bool "Use low power mode"
+	help
+	  Enable this to use lower framerate LPM (Low Power Mode).
+
+endif # ST730X