drivers: disk: remove legacy SDMMC SPI driver

remove existing SDMMC SPI driver, since it is replaced by the SPI mode
SD host controller driver.

Signed-off-by: Daniel DeGrasse <[email protected]>

Author: danieldegrasse

drivers/disk/CMakeLists.txt

@@ -8,7 +8,6 @@ zephyr_library()
 zephyr_library_sources_ifdef(CONFIG_DISK_DRIVER_FLASH flashdisk.c)
 zephyr_library_sources_ifdef(CONFIG_DISK_DRIVER_RAM ramdisk.c)
 
-zephyr_library_sources_ifdef(CONFIG_SDMMC_OVER_SPI sdmmc_spi.c)
 zephyr_library_sources_ifdef(CONFIG_SDMMC_STM32 sdmmc_stm32.c)
 zephyr_library_sources_ifdef(CONFIG_SDMMC_SUBSYS sdmmc_subsys.c)
 

drivers/disk/Kconfig.sdmmc

@@ -2,7 +2,6 @@
 # Copyright (c) 2021 Nordic Semiconductor ASA
 # SPDX-License-Identifier: Apache-2.0
 
-DT_COMPAT_ZEPHYR_MMC_SPI_SLOT := zephyr,mmc-spi-slot
 DT_COMPAT_ST_STM32_SDMMC := st,stm32-sdmmc
 DT_COMPAT_ZEPHYR_MMC := zephyr,sdmmc-disk
 
@@ -26,13 +25,6 @@ config SDMMC_VOLUME_NAME
 	help
 	  Disk name as per file system naming guidelines.
 
-config SDMMC_OVER_SPI
-	bool "SDHC access over SPI"
-	select SPI
-	default $(dt_compat_enabled,$(DT_COMPAT_ZEPHYR_MMC_SPI_SLOT))
-	help
-	  File system on a SDHC card accessed over SPI.
-
 config SDMMC_SUBSYS
 	bool "SDMMC access via SD subsystem"
 	select SD_STACK