linux-kernel - Re: [PATCH 0/2] mtd: spi-nor: add stm32 qspi driver

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Message-ID: <5224f3cd-a128-9e72-c0c8-62a137ceeb79@wedev4u.fr>
Date:   Wed, 29 Mar 2017 18:51:05 +0200
From:   Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>
To:     Ludovic Barre <ludovic.Barre@...com>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>,
        Marek Vasut <marek.vasut@...il.com>
Cc:     Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        devicetree@...r.kernel.org, Richard Weinberger <richard@....at>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        linux-mtd@...ts.infradead.org,
        Brian Norris <computersforpeace@...il.com>,
        David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 0/2] mtd: spi-nor: add stm32 qspi driver

Hi Ludovic,

Le 27/03/2017 à 14:54, Ludovic Barre a écrit :
> From: Ludovic Barre <ludovic.barre@...com>
> 
> This patch set adds a SPI-NOR driver for stm32 QSPI controller.
> It is a specialized SPI interface for serial Flash devices.
> It supports 1 or 2 Flash device with single, dual and quad SPI Flash memories.
> 
> It can operate in any of the following modes:
> -indirect mode: all the operations are performed using the quadspi
>  registers
> -read memory-mapped mode: the external Flash memory is mapped to the
>  microcontroller address space and is seen by the system as if it was
>  an internal memory
> 
> Ludovic Barre (2):
>   dt-bindings: Document the STM32 QSPI bindings
>   mtd: spi-nor: add driver for STM32 quad spi flash controller
> 
>  .../devicetree/bindings/mtd/stm32-quadspi.txt      |  45 ++
>  drivers/mtd/spi-nor/Kconfig                        |   7 +
>  drivers/mtd/spi-nor/Makefile                       |   1 +
>  drivers/mtd/spi-nor/stm32-quadspi.c                | 679 +++++++++++++++++++++
>  4 files changed, 732 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/stm32-quadspi.txt
>  create mode 100644 drivers/mtd/spi-nor/stm32-quadspi.c
> 

Just a small word to warn you that I'm likely to ask you to rebase this
series onto the patch "mtd: spi-nor: introduce more SPI protocols and
the Dual Transfer Mode". Indeed, I need to synchronize with Marek first
but I plan to merge this patch within few days.


Best regards,

Cyrille