drivers/mtd/spi/Kconfig

   1 config SPI_FLASH
   2         bool "Enable SPI Flash support"
   3         help
   4           Enable the legacy SPI flash support. This will include basic
   5           standard support for things like probing, read / write, and
   6           erasing through the MTD layer.
   7
   8           If unsure, say N
   9
  10 config DM_SPI_FLASH
  11         bool "Enable Driver Model for SPI flash"
  12         depends on DM && DM_SPI
  13         help
  14           Enable driver model for SPI flash. This SPI flash interface
  15           (spi_flash_probe(), spi_flash_write(), etc.) is then
  16           implemented by the SPI flash uclass. There is one standard
  17           SPI flash driver which knows how to probe most chips
  18           supported by U-Boot. The uclass interface is defined in
  19           include/spi_flash.h, but is currently fully compatible
  20           with the old interface to avoid confusion and duplication
  21           during the transition parent. SPI and SPI flash must be
  22           enabled together (it is not possible to use driver model
  23           for one and not the other).
  24
  25 config SPI_FLASH_SANDBOX
  26         bool "Support sandbox SPI flash device"
  27         depends on SANDBOX && DM_SPI_FLASH
  28         help
  29           Since sandbox cannot access real devices, an emulation mechanism is
  30           provided instead. Drivers can be connected up to the sandbox SPI
  31           bus (see CONFIG_SANDBOX_SPI) and SPI traffic will be routed to this
  32           device. Typically the contents of the emulated SPI flash device is
  33           stored in a file on the host filesystem.