Re: [PATCH v5 0/9] i2c: add support for filters

From: Wolfram Sang
Date: Thu Oct 24 2019 - 14:30:42 EST

On Wed, Sep 11, 2019 at 08:24:14AM +0000, Eugen.Hristev@xxxxxxxxxxxxx wrote:
> From: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
> Hello,
> This series adds support for analog and digital filters for i2c controllers
> This series is based on the series:
> [PATCH v2 0/9] i2c: at91: filters support for at91 SoCs
> and later
> [PATCH v4 0/9] i2c: add support for filters
> and enhanced to add the bindings for all controllers plus an extra bindings
> for the width of the spikes in nanoseconds (digital filters) and cut-off
> frequency (analog filters)
> First, bindings are created for
> 'i2c-analog-filter'
> 'i2c-digital-filter'
> 'i2c-digital-filter-width-ns'
> 'i2c-analog-filter-cutoff-frequency'
> The support is added in the i2c core to retrieve filter width/cutoff frequency
> and add it to the timings structure.
> Next, the at91 driver is enhanced for supporting digital filter, advanced
> digital filter (with selectable spike width) and the analog filter.
> Finally the device tree for two boards are modified to make use of the
> new properties.
> This series is the result of the comments on the ML in the direction
> requested: to make the bindings globally available for i2c drivers.

Applied patches 1-7 to for-next (patch 3 is v6). Thanks for your
patience and thanks to Ludovic and Peter for the review! Patches 8-9
should go via the at91 tree.

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