Re: [PATCH v8 0/6] spi: cadence-quadspi: Add QSPI controller support for Intel LGM SoC

From: Vignesh Raghavendra
Date: Thu Nov 19 2020 - 07:37:08 EST




On 11/19/20 11:25 AM, Ramuthevar,Vadivel MuruganX wrote:
> Add QSPI controller support for Intel LGM SoC.
>
> Note from Vignesh(mtd subsystem maintainer):
> This series is a subset of "[PATCH v12 0/4] spi: cadence-quadspi: Add
> support for the Cadence QSPI controller" by Ramuthevar,Vadivel MuruganX
> <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx> that intended to move
> cadence-quadspi driver to spi-mem framework
>
> Those patches were trying to accomplish too many things in a single set
> of patches and need to split into smaller patches. This is reduced
> version of above series.
>
> Changes that are intended to make migration easy are split into separate
> patches. Patches 1 to 3 drop features that cannot be supported under
> spi-mem at the moment (backward compatibility is maintained).
> Patch 4-5 are trivial cleanups. Patch 6 does the actual conversion to
> spi-mem and patch 7 moves the driver to drivers/spi folder.
>
> I have tested both INDAC mode (used by non TI platforms like Altera
> SoCFPGA) and DAC mode (used by TI platforms) on TI EVMs.
>
> Patches to move move bindings over to
> "Documentation/devicetree/bindings/spi/" directory and also conversion
> of bindig doc to YAML will be posted separately. Support for Intel
> platform would follow that.
>
> Reference:
> https://lkml.org/lkml/2020/6/1/50
>
> ---
> v8:
> - As Mark suggested to add the dt-bindings documentation patches
> end of the series , so dropped.

Suggestion was to drop patches converting legacy binding doc to YAML schema.
You still need to include a patch documenting new compatible
"intel,lgm-qspi" in the existing (legacy) binding doc.