Re: [PATCH 00/10] spi: Adding support for Microchip Sparx5 SoC

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Serge Semin writes:

> Hello Lars,
>
> On Wed, May 13, 2020 at 04:00:21PM +0200, Lars Povlsen wrote:
>> This is an add-on series to the main SoC Sparx5 series
>> (Message-ID: <20200513125532.24585-1-lars.povlsen@xxxxxxxxxxxxx>).
>>
>> The series add support for Sparx5 on top of the existing
>> ocelot/jaguar2 spi driver.
>>
>> It spins off the existing support for the MSCC platforms into a
>> separate driver, as adding new platforms from the MSCC/Microchip
>> product lines will further complicate (clutter) the original driver.
>>
>> New YAML dt-bindings are provided for the resulting driver.
>>
>> It is expected that the DT patches are to be taken directly by the arm-soc
>> maintainers.
>
> Regarding our cooperation. It can be implemented as follows. Since your patchset
> is less cumbersome than mine and is more ready to be integrated into the generic DW
> APB SSI code, it would be better to first make it through Mark', Andy' and my reviews
> to be further merged into the kernel version of the driver. After that I'll have
> my code altered so it could be applied on top of your patches. When everything
> is done we'll have a more comprehensive DW APB SSI driver with poll-based
> PIO operations support, new features like rx-delay, etc.
>

Hi Serge!

I think I would be able to work on the SPI patches this week. Should I
base it on the current spi-next or 5.7? Then address the comments and
send out a new revision?

Thanks for reaching out.

---Lars

> Thank you one more time for the series you've shared with us. Let's see what can
> be done to improve it...
>
> -Sergey
>
>>
>> Lars Povlsen (10):
>>   spi: dw: Add support for polled operation via no IRQ specified in DT
>>   spi: dw: Add support for RX sample delay register
>>   spi: dw: Add support for client driver memory operations
>>   dt-bindings: spi: Add bindings for spi-dw-mchp
>>   spi: spi-dw-mmio: Spin off MSCC platforms into spi-dw-mchp
>>   dt-bindings: spi: spi-dw-mchp: Add Sparx5 support
>>   spi: spi-dw-mchp: Add Sparx5 support
>>   arm64: dts: sparx5: Add SPI controller
>>   arm64: dts: sparx5: Add spi-nor support
>>   arm64: dts: sparx5: Add spi-nand devices
>>
>>  .../bindings/spi/mscc,ocelot-spi.yaml         |  89 ++++
>>  .../bindings/spi/snps,dw-apb-ssi.txt          |   7 +-
>>  MAINTAINERS                                   |   2 +
>>  arch/arm64/boot/dts/microchip/sparx5.dtsi     |  37 ++
>>  .../boot/dts/microchip/sparx5_pcb125.dts      |  16 +
>>  .../boot/dts/microchip/sparx5_pcb134.dts      |  22 +
>>  .../dts/microchip/sparx5_pcb134_board.dtsi    |   9 +
>>  .../boot/dts/microchip/sparx5_pcb135.dts      |  23 +
>>  .../dts/microchip/sparx5_pcb135_board.dtsi    |   9 +
>>  arch/mips/configs/generic/board-ocelot.config |   2 +-
>>  drivers/spi/Kconfig                           |   7 +
>>  drivers/spi/Makefile                          |   1 +
>>  drivers/spi/spi-dw-mchp.c                     | 399 ++++++++++++++++++
>>  drivers/spi/spi-dw-mmio.c                     |  93 ----
>>  drivers/spi/spi-dw.c                          |  31 +-
>>  drivers/spi/spi-dw.h                          |   4 +
>>  16 files changed, 644 insertions(+), 107 deletions(-)
>>  create mode 100644 Documentation/devicetree/bindings/spi/mscc,ocelot-spi.yaml
>>  create mode 100644 drivers/spi/spi-dw-mchp.c
>>
>> --
>> 2.26.2
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

--
Lars Povlsen,
Microchip



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