linux-kernel - Re: [PATCH v2 00/10] iio: adc: at91-sama5d2

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Message-ID: <20210830132636.16dde030@jic23-huawei>
Date:   Mon, 30 Aug 2021 13:26:36 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Eugen Hristev <eugen.hristev@...rochip.com>
Cc:     <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <nicolas.ferre@...rochip.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <robh+dt@...nel.org>,
        <ludovic.desroches@...rochip.com>
Subject: Re: [PATCH v2 00/10] iio: adc: at91-sama5d2_adc: add support for
 sama7g5

On Tue, 24 Aug 2021 14:54:31 +0300
Eugen Hristev <eugen.hristev@...rochip.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
> 
> 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
0-8 applied with the minor tweak mentioned in a reply to relevant patch.

I'll assume 9-10 will got via normal soc related tree.

Note that I'm queuing these up for the merge window after this one now
(5.16).

Thanks,

Jonathan

> 
> 
> 
> 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            | 586 ++++++++++++------
>  4 files changed, 425 insertions(+), 186 deletions(-)
>