[U-Boot] [PATCH 11/11] Drop use of CONFIG_I2C_SOFT

[Heiko Schocher <hs@denx.de>]

Hello Simon,

Am 23.04.2017 um 17:35 schrieb Simon Glass:
> This option is not used in U-Boot. Drop it.
>
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
>
>   README | 32 +-------------------------------
>   1 file changed, 1 insertion(+), 31 deletions(-)

Reviewed-by: Heiko Schocher <hs@denx.de>

Applied to u-boot-i2c/next

bye,
Heiko
>
> diff --git a/README b/README
> index 9798292f8d..f71374444d 100644
> --- a/README
> +++ b/README
> @@ -2214,37 +2214,7 @@ The following options need to be configured:
>
>   		If you do not have i2c muxes on your board, omit this define.
>
> -----under removal:
> -
> -- Legacy I2C Support:	CONFIG_SOFT_I2C
> -
> -		NOTE: It is intended to move drivers to CONFIG_SYS_I2C which
> -		provides the following compelling advantages:
> -
> -		- more than one i2c adapter is usable
> -		- approved multibus support
> -		- better i2c mux support
> -
> -		** CONFIG_SOFT_I2C is now being removed **
> -
> -		With CONFIG_SOFT_I2C you will need to define
> -		CONFIG_SYS_I2C_SPEED to be the frequency (in Hz) at which you
> -		wish your i2c bus to run and CONFIG_SYS_I2C_SLAVE to be the
> -		address of this node (ie the CPU's i2c node address).
> -
> -		Now, the u-boot i2c code for the mpc8xx
> -		(arch/powerpc/cpu/mpc8xx/i2c.c) sets the CPU up as a master node
> -		and so its address should therefore be cleared to 0 (See,
> -		eg, MPC823e User's Manual p.16-473). So, set
> -		CONFIG_SYS_I2C_SLAVE to 0.
> -
> -		When a board is reset during an i2c bus transfer
> -		chips might think that the current transfer is still
> -		in progress.  Reset the slave devices by sending start
> -		commands until the slave device responds.
> -
> -		That's all that's required for CONFIG_HARD_I2C.
> -
> +- Legacy I2C Support:
>   		If you use the software i2c interface (CONFIG_SYS_I2C_SOFT)
>   		then the following macros need to be defined (examples are
>   		from include/configs/lwmon.h):
>

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