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Subject: Re: [PATCH v3 00/10] iio: adc: at91-sama5d2_adc: add support for
 sama7g5
To:     Jonathan Cameron <jic23@kernel.org>,
        Eugen Hristev <eugen.hristev@microchip.com>
CC:     <linux-iio@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <robh+dt@kernel.org>,
        <ludovic.desroches@microchip.com>
References: <20210901123013.329792-1-eugen.hristev@microchip.com>
 <20210905112805.3e11c2dd@jic23-huawei>
From:   Nicolas Ferre <nicolas.ferre@microchip.com>
Organization: microchip
Message-ID: <6d85626b-46e0-0b06-c2c3-014ccd5aaa32@microchip.com>
Date:   Wed, 15 Sep 2021 11:16:35 +0200
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On 05/09/2021 at 12:28, Jonathan Cameron wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Wed, 1 Sep 2021 15:30:03 +0300
> Eugen Hristev <eugen.hristev@microchip.com> wrote:
> 
>> Hi,
>>
>> This series adds support for sama7g5.
>>
>> The sama7g5 is slightly different from sama5d2, but has the same basic
>> operations. The register map is a bit different, so, I added some primitives
>> to differentiate between the two classes of hardware blocks (sama5d2-sam9x60
>> and sama7g5).
>>
>> Sama7g5 has 16 channels ADC, no resistive touch, and extra features
>> (FIFOs, better oversampling , not implemented yet).
>>
>> It is a rework of the series initially sent here:
>> https://marc.info/?l=linux-iio&m=161461656807826&w=2
>>
>> Changes in v3:
>> updates for the channel indexes ABI
>> minor nitpicks fixes
>> fixed krobot report
> 
> v2 dropped,
> v3 1-8 applied to the togreg branch of iio.git and initially pushed out as testing
> for 0-day to poke at and to allow me to rebase after rc1 is available.

v3 9-10 applied to the at91-dt branch for 5.16.
It will go through the arm-soc tree.

Thanks, best regards,
   Nicolas

>> Changes in v2:
>>
>> I reworked this according to review by Jonathan, meaning that first I created
>> a no-op patch that will convert the driver to a more platform specific data
>> dedicated type of driver. This adds various structures that hold things like
>> register layout and channel information.
>> After this I created few patches that implement the main differences between
>> sama7g5 and older products: the end-of-conversion new register. I added
>> helper functions to make code more easy to read and more simple.
>> One the last patches adds the layout and channels for sama7g5.
>> At this moment in linux-next, the DT for sama7g5 and sama7g5ek is present,
>> and the last patches add and enable this node in DT for this board.
>>
>> Eugen
>>
>>
>>
>> Eugen Hristev (10):
>>    dt-bindings: iio: adc: at91-sama5d2: add compatible for sama7g5-adc
>>    iio: adc: at91-sama5d2_adc: initialize hardware after clock is started
>>    iio: adc: at91-sama5d2_adc: remove unused definition
>>    iio: adc: at91-sama5d2_adc: convert to platform specific data
>>      structures
>>    iio: adc: at91-sama5d2_adc: add support for separate end of conversion
>>      registers
>>    iio: adc: at91-sama5d2_adc: add helper for COR register
>>    iio: adc: at91-sama5d2_adc: add support for sama7g5 device
>>    iio: adc: at91-sama5d2_adc: update copyright and authors information
>>    ARM: dts: at91: sama7g5: add node for the ADC
>>    ARM: dts: at91: sama7g5ek: enable ADC on the board
>>
>>   .../bindings/iio/adc/atmel,sama5d2-adc.yaml   |   1 +
>>   arch/arm/boot/dts/at91-sama7g5ek.dts          |   8 +
>>   arch/arm/boot/dts/sama7g5.dtsi                |  16 +
>>   drivers/iio/adc/at91-sama5d2_adc.c            | 594 ++++++++++++------
>>   4 files changed, 432 insertions(+), 187 deletions(-)
>>
> 


-- 
Nicolas Ferre