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bootloader/u-boot_2015_04/drivers/i2c/Kconfig 1.45 KB
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  config DM_I2C
  	bool "Enable Driver Model for I2C drivers"
  	depends on DM
  	help
  	  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"
  	depends on ARCH_UNIPHIER && DM_I2C
  	default y
  	help
  	  Support for Panasonic UniPhier I2C controller driver.  This I2C
  	  controller is used on PH1-LD4, PH1-sLD8 or older UniPhier SoCs.
  
  config SYS_I2C_UNIPHIER_F
  	bool "UniPhier FIFO-builtin I2C driver"
  	depends on ARCH_UNIPHIER && DM_I2C
  	default y
  	help
  	  Support for Panasonic UniPhier FIFO-builtin I2C controller driver.
  	  This I2C controller is used on PH1-Pro4 or newer UniPhier SoCs.