Re: [PATCH v2 00/10] iio: adc: at91-sama5d2_adc: add support for sama7g5

Jonathan Cameron
2021-08-30T12:25:25Z

On Tue, 24 Aug 2021 14:54:31 +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
>
> 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(-)