Re: [PATCH v3 0/9] i2c: add support for filters

2019-08-31 Thread Wolfram Sang

> > What is the plan for this patch series?
> 
> I hope to review it this weekend and my hope it is good to go for 5.4.

Series looks good basically. Just a few comments for some patches. See
there.

Thanks!



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Re: [PATCH v3 0/9] i2c: add support for filters

2019-08-29 Thread Wolfram Sang

> > I don't know if it will fit other vendors need concerning the binding
> > but for Microchip it sounds good.
> > 
> > Acked-by: Ludovic Desroches 
> > for the whole serie.
> > 
> > Regards
> > 
> > Ludovic
> > 
> 
> Hello Wolfram,
> 
> What is the plan for this patch series?

I hope to review it this weekend and my hope it is good to go for 5.4.



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Re: [PATCH v3 0/9] i2c: add support for filters

2019-08-22 Thread Eugen.Hristev


On 12.07.2019 11:20, Ludovic Desroches wrote:
> On Tue, Jul 09, 2019 at 03:19:26PM +0200, Eugen Hristev - M18282 wrote:
>> From: Eugen Hristev 
>>
>> 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 enhanced to add the bindings for all controllers plus an extra binding
>> for the width of the spikes in nanoseconds.
>>
>> First, bindings are created for
>> 'i2c-ana-filter'
>> 'i2c-dig-filter'
>> 'i2c-filter-width-ns'
>>
>> The support is added in the i2c core to retrieve filter width 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.
>>
>> Changes in v3:
>> - made bindings global for i2c controllers and modified accordingly
>> - gave up PADFCDF bit because it's a lack in datasheet
>> - the computation on the width of the spike is based on periph clock as it
>> is done for hold time.
>>
>> Changes in v2:
>> - added device tree bindings and support for enable-ana-filt and
>> enable-dig-filt
>> - added the new properties to the DT for sama5d4_xplained/sama5d2_xplained
>>
>> Eugen Hristev (9):
>>dt-bindings: i2c: at91: add new compatible
>>dt-bindings: i2c: add bindings for i2c analog and digital filter
>>i2c: add support for filter-width-ns optional property
>>i2c: at91: add new platform support for sam9x60
>>i2c: at91: add support for digital filtering
>>i2c: at91: add support for advanced digital filtering
>>i2c: at91: add support for analog filtering
>>ARM: dts: at91: sama5d2_xplained: add analog and digital filter for
>>  i2c
>>ARM: dts: at91: sama5d4_xplained: add analog filter for i2c
>>
>>   Documentation/devicetree/bindings/i2c/i2c-at91.txt |  3 +-
>>   Documentation/devicetree/bindings/i2c/i2c.txt  | 11 +
>>   arch/arm/boot/dts/at91-sama5d2_xplained.dts|  6 +++
>>   arch/arm/boot/dts/at91-sama5d4_xplained.dts|  1 +
>>   drivers/i2c/busses/i2c-at91-core.c | 38 +
>>   drivers/i2c/busses/i2c-at91-master.c   | 49 
>> --
>>   drivers/i2c/busses/i2c-at91.h  | 13 ++
>>   drivers/i2c/i2c-core-base.c|  2 +
>>   include/linux/i2c.h|  2 +
>>   9 files changed, 121 insertions(+), 4 deletions(-)
> 
> Hi,
> 
> I don't know if it will fit other vendors need concerning the binding
> but for Microchip it sounds good.
> 
> Acked-by: Ludovic Desroches 
> for the whole serie.
> 
> Regards
> 
> Ludovic
> 

Hello Wolfram,

What is the plan for this patch series?

Thanks,
Eugen


Re: [PATCH v3 0/9] i2c: add support for filters

2019-07-12 Thread Ludovic Desroches
On Tue, Jul 09, 2019 at 03:19:26PM +0200, Eugen Hristev - M18282 wrote:
> From: Eugen Hristev 
> 
> 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 enhanced to add the bindings for all controllers plus an extra binding
> for the width of the spikes in nanoseconds.
> 
> First, bindings are created for
> 'i2c-ana-filter'
> 'i2c-dig-filter'
> 'i2c-filter-width-ns'
> 
> The support is added in the i2c core to retrieve filter width 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.
> 
> Changes in v3:
> - made bindings global for i2c controllers and modified accordingly
> - gave up PADFCDF bit because it's a lack in datasheet
> - the computation on the width of the spike is based on periph clock as it
> is done for hold time.
> 
> Changes in v2:
> - added device tree bindings and support for enable-ana-filt and
> enable-dig-filt
> - added the new properties to the DT for sama5d4_xplained/sama5d2_xplained
> 
> Eugen Hristev (9):
>   dt-bindings: i2c: at91: add new compatible
>   dt-bindings: i2c: add bindings for i2c analog and digital filter
>   i2c: add support for filter-width-ns optional property
>   i2c: at91: add new platform support for sam9x60
>   i2c: at91: add support for digital filtering
>   i2c: at91: add support for advanced digital filtering
>   i2c: at91: add support for analog filtering
>   ARM: dts: at91: sama5d2_xplained: add analog and digital filter for
> i2c
>   ARM: dts: at91: sama5d4_xplained: add analog filter for i2c
> 
>  Documentation/devicetree/bindings/i2c/i2c-at91.txt |  3 +-
>  Documentation/devicetree/bindings/i2c/i2c.txt  | 11 +
>  arch/arm/boot/dts/at91-sama5d2_xplained.dts|  6 +++
>  arch/arm/boot/dts/at91-sama5d4_xplained.dts|  1 +
>  drivers/i2c/busses/i2c-at91-core.c | 38 +
>  drivers/i2c/busses/i2c-at91-master.c   | 49 
> --
>  drivers/i2c/busses/i2c-at91.h  | 13 ++
>  drivers/i2c/i2c-core-base.c|  2 +
>  include/linux/i2c.h|  2 +
>  9 files changed, 121 insertions(+), 4 deletions(-)

Hi,

I don't know if it will fit other vendors need concerning the binding
but for Microchip it sounds good.

Acked-by: Ludovic Desroches 
for the whole serie.

Regards

Ludovic