[PATCH v2 0/3] Altera ASMI Parallel II IP Core

matthew.gerlach at linux.intel.com matthew.gerlach at linux.intel.com
Mon Oct 9 17:49:54 PDT 2017


Hi Everyone,

Thanks to Rob Herring for Acking the device tree bindings part of the 
patch.  Does anyone have any feedback for the rest of the patch set?

Thanks,

Matthew Gerlach

On Wed, 20 Sep 2017, matthew.gerlach at linux.intel.com wrote:

> From: Matthew Gerlach <matthew.gerlach at linux.intel.com>
>
> This patch set adds a spi-nor flash driver for the Altera ASMI Parallel II
> IP Core.  This driver was created based on feedback from Marek Vasut,
> Cyrill Pitchen, and Michal Suchanek regarding Version 2 of the Altera
> Quadspi Controller: https://lkml.org/lkml/2017/6/26/518
>
> The overall problem with Version 2 of the Altera Quadspi Controller and
> its driver was the fact that there was much duplication of code and logic
> with the spi-nor framework.  This new combination of fpga hardware and
> software "gets out of the way" of the spi-nor framework.  The result is a
> much simpler driver with the spi-nor framework performing the bulk of the work.
>
> Patch 1 contains the device tree bindings for the driver for
> the Altera ASMI-Parallel II IP Core.
>
> Patch 2 contains the driver code for the Altera ASMI-Parallel II IP Core.
> This driver supports being configured via a device tree or with platform
> data.  In the later case, the memory for the registers has been remapped.
>
> Patch 3 contains a work around for some non-standard behavior of EPCQ flash.
>
> Matthew Gerlach (3):
>  dt-bindings: mtd: Altera ASMI Parallel II IP Core
>  mtd: spi-nor: Altera ASMI Parallel II IP Core
>  mtd: spi-nor: add flag for reading dummy cycles from nv cfg reg
>
> .../devicetree/bindings/mtd/altera-asmip2.txt      |  15 +
> MAINTAINERS                                        |   7 +
> drivers/mtd/spi-nor/Kconfig                        |   6 +
> drivers/mtd/spi-nor/Makefile                       |   1 +
> drivers/mtd/spi-nor/altera-asmip2.c                | 478 +++++++++++++++++++++
> include/linux/mtd/altera-asmip2.h                  |  27 ++
> 6 files changed, 534 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/altera-asmip2.txt
> create mode 100644 drivers/mtd/spi-nor/altera-asmip2.c
> create mode 100644 include/linux/mtd/altera-asmip2.h
>
> -- 
> 2.7.4
>
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