Re: [PATCH v5 2/9] dt-bindings: i2c: add bindings for i2c analog and digital filter

[Rob Herring]

On Wed, Sep 11, 2019 at 08:24:20AM +0000, Eugen.Hristev@xxxxxxxxxxxxx wrote:
> From: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
> 
> Some i2c controllers have a built-in digital or analog filter.
> This is specifically required depending on the hardware PCB/board.
> Some controllers also allow specifying the maximum width of the
> spikes that can be filtered for digital filter. The width length can be
> specified in nanoseconds.
> Analog filters can be configured to have a cutoff frequency (low-pass filter).
> This frequency can be specified in Hz.
> Added an optional property for such types of analog filters.
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/i2c/i2c.txt | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>