diff options
Diffstat (limited to 'drivers/i2c/Kconfig')
| -rw-r--r-- | drivers/i2c/Kconfig | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 202ea5d..692810d 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -2,8 +2,25 @@ config DM_I2C bool "Enable Driver Model for I2C drivers" depends on DM help - If you want to use driver model for I2C drivers, say Y. - To use legacy I2C drivers, say N. + Enable driver model for I2C. This SPI flash interface + (spi_flash_probe(), spi_flash_write(), etc.) is then + implemented by the SPI flash uclass. There is one standard + SPI flash driver which knows how to probe most chips + supported by U-Boot. The uclass interface is defined in + include/spi_flash.h, but is currently fully compatible + with the old interface to avoid confusion and duplication + during the transition parent. SPI and SPI flash must be + enabled together (it is not possible to use driver model + for one and not the other). + +config DM_I2C_COMPAT + bool "Enable I2C compatibility layer" + depends on DM + help + Enable old-style I2C functions for compatibility with existing code. + This option can be enabled as a temporary measure to avoid needing + to convert all code for a board in a single commit. It should not + be enabled for any board in an official release. config SYS_I2C_UNIPHIER bool "UniPhier I2C driver" |