Hi Przemyslaw,
On 27 March 2015 at 11:33, Przemyslaw Marczak <p.marc...@samsung.com> wrote:
> Signed-off-by: Przemyslaw Marczak <p.marc...@samsung.com>
> Cc: Masahiro Yamada <yamada.masah...@socionext.com>
> Cc: Mike Frysinger <vap...@gentoo.org>
> Cc: Simon Glass <s...@chromium.org>
> Cc: Heiko Schocher <h...@denx.de>
>
> Changes V2:
> - add i2c uclass description
> ---
> drivers/i2c/Kconfig | 17 +++++++----------
> 1 file changed, 7 insertions(+), 10 deletions(-)
Acked-by: Simon Glass <s...@chromium.org>
(see nit below)
>
> diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
> index 692810d..979522f 100644
> --- a/drivers/i2c/Kconfig
> +++ b/drivers/i2c/Kconfig
> @@ -2,16 +2,13 @@ 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).
> + Enable driver model for I2C. The I2C uclass interface: probe, read,
> + write or speed, is implemented with the bus drivers uclass
> operations,
> + which provides methods for bus setting and data transfer. Each chip
Can we tweak this a bit?
write and speed, is implemented with the bus drivers' operations,
which provide methods for bus setting and data transfer. Each chip
> + device (bus child) info is kept as parent platdata. The interface is
> + defined in include/i2c.h. When i2c bus driver supports the i2c
> uclass,
> + but the device drivers not, then DM_I2C_COMPAT config can be used as
> + compatibility layer.
>
> config DM_I2C_COMPAT
> bool "Enable I2C compatibility layer"
> --
> 1.9.1
>
Regards,
Simon
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