1config DM_SPI_FLASH 2 bool "Enable Driver Model for SPI flash" 3 depends on DM && SPI 4 help 5 Enable driver model for SPI flash. This SPI flash interface 6 (spi_flash_probe(), spi_flash_write(), etc.) is then 7 implemented by the SPI flash uclass. There is one standard 8 SPI flash driver which knows how to probe most chips 9 supported by U-Boot. The uclass interface is defined in 10 include/spi_flash.h, but is currently fully compatible 11 with the old interface to avoid confusion and duplication 12 during the transition parent. SPI and SPI flash must be 13 enabled together (it is not possible to use driver model 14 for one and not the other). 15