Re: [v5+1,repost] i2c: mux: mellanox: add driver

[Wolfram Sang]

On Thu, Nov 10, 2016 at 09:26:23PM +0000, vadimp@xxxxxxxxxxxx wrote:
> From: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
> 
> This driver allows I2C routing controlled through CPLD select registers on
> a wide range of Mellanox systems (CPLD Lattice device).
> MUX selection is provided by digital and analog HW. Analog part is not
> under SW control.
> Digital part is under CPLD control (channel selection/de-selection).
> 
> Connectivity schema.
> .---.             .-------------.
> | l |             |             |-- i2cx1 -- i2cx8
> | i |-- i2cn --+--| mlxcpld mux |
> | n |          |  |             |-- i2cy1 -- i2cy8
> | u |          |  '-------------'
> | x |          |         |
> '---'          '---------'
> 
> i2c-mux-mlxpcld does not necessarily require i2c-mlxcpld. It can be used
> along with another bus driver, and still control i2c routing through CPLD
> mux selection, in case the system is equipped with CPLD capable of mux
> selection control.
> 
> The Kconfig currently controlling compilation of this code is:
> drivers/i2c/muxes/Kconfig:config I2C_MUX_MLXCPLD
> 
> Signed-off-by: Michael Shych <michaelsh@xxxxxxxxxxxx>
> Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
> Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxxxx>
> Acked-by: Peter Rosin <peda@xxxxxxxxxx>

Applied to for-next, thanks!

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