driver: flash: initial support for Renesas RZ/A3UL, T2M, N2L

This driver is based on the XSPI driver for Renesas RZ/T2M and N2L,
and the SPIBSC driver for Renesas RZ/A3UL from the HAL.

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

driver: temp

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

driver: temp

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

Author: tiennguyenzg

drivers/flash/CMakeLists.txt

@@ -42,6 +42,8 @@ zephyr_library_sources_ifdef(CONFIG_FLASH_NPCX_FIU_NOR flash_npcx_fiu_nor.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_NPCX_FIU_QSPI flash_npcx_fiu_qspi.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_RENESAS_RA_OSPI_B flash_renesas_ra_ospi_b.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_RENESAS_RA_QSPI flash_renesas_ra_qspi.c)
+zephyr_library_sources_ifdef(CONFIG_FLASH_RENESAS_RZ_QSPI_SPIBSC flash_renesas_rz_qspi.c)
+zephyr_library_sources_ifdef(CONFIG_FLASH_RENESAS_RZ_QSPI_XSPI flash_renesas_rz_qspi.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_RPI_PICO flash_rpi_pico.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_STM32_OSPI flash_stm32_ospi.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_STM32_QSPI flash_stm32_qspi.c)

drivers/flash/Kconfig

@@ -198,6 +198,7 @@ source "drivers/flash/Kconfig.renesas_ra"
 source "drivers/flash/Kconfig.renesas_ra_ospi"
 source "drivers/flash/Kconfig.renesas_ra_qspi"
 source "drivers/flash/Kconfig.renesas_rx"
+source "drivers/flash/Kconfig.renesas_rz_qspi"
 source "drivers/flash/Kconfig.rpi_pico"
 source "drivers/flash/Kconfig.rts5912"
 source "drivers/flash/Kconfig.rv32m1"

drivers/flash/Kconfig.renesas_rz_qspi

@@ -0,0 +1,37 @@
+# Renesas RZ Family
+
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config FLASH_RENESAS_RZ_QSPI_XSPI
+	bool "Renesas RZ Quad-SPI driver"
+	default y
+	depends on DT_HAS_RENESAS_RZ_QSPI_XSPI_ENABLED
+	select FLASH_HAS_DRIVER_ENABLED
+	select FLASH_HAS_PAGE_LAYOUT
+	select FLASH_HAS_EXPLICIT_ERASE
+	select USE_RZ_FSP_QSPI
+	select FLASH_JESD216
+	select PINCTRL
+	help
+	  Enable Quad-SPI XSPI Nor flash driver for RZ series
+
+config FLASH_RENESAS_RZ_QSPI_SPIBSC
+	bool "Renesas RZ Quad-SPI driver"
+	default y
+	depends on DT_HAS_RENESAS_RZ_QSPI_SPIBSC_ENABLED
+	select FLASH_HAS_DRIVER_ENABLED
+	select FLASH_HAS_PAGE_LAYOUT
+	select FLASH_HAS_EXPLICIT_ERASE
+	select USE_RZ_FSP_QSPI
+	select FLASH_JESD216
+	select PINCTRL
+	help
+	  Enable Quad-SPI SPIBSC Nor flash driver for RZ series
+
+config FLASH_RENESAS_RZ_MIRROR_OFFSET
+	hex
+	default 0x0 if SOC_SERIES_RZA3UL
+	default 0x20000000 if SOC_SERIES_RZT2M || SOC_SERIES_RZN2L
+	help
+	  Offset of mirror area in flash memory