Re: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller

[Boris Brezillon <boris.brezillon@bootlin.com>]

On Mon, 22 Oct 2018 11:43:40 +0000
Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> wrote:

> + Mark Brown
> 
> Complete patch series[1]
> [1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70210

Please resend the patch series with a "PATCH RESEND v4" prefix and
explain why you resend it in the cover letter.

> 
> --
> Regards,
> Yogesh Gaur
> 
> > -----Original Message-----
> > From: Yogesh Narayan Gaur [mailto:yogeshnarayan.gaur@nxp.com]
> > Sent: Thursday, October 11, 2018 4:30 PM
> > To: linux-mtd@lists.infradead.org; boris.brezillon@bootlin.com;
> > marek.vasut@gmail.com; linux-spi@vger.kernel.org;
> > devicetree@vger.kernel.org
> > Cc: robh@kernel.org; mark.rutland@arm.com; shawnguo@kernel.org; linux-
> > arm-kernel@lists.infradead.org; computersforpeace@gmail.com;
> > frieder.schrempf@exceet.de; linux-kernel@vger.kernel.org; Yogesh Narayan
> > Gaur <yogeshnarayan.gaur@nxp.com>
> > Subject: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
> > 
> > - Add driver for NXP FlexSPI host controller
> > 
> >  FlexSPI is a flexsible SPI host controller [1], Chapter 30 page 1475,  which
> > supports two SPI channels and up to 4 external devices.
> >  Each channel supports Single/Dual/Quad/Octal mode data transfer (1/2/4/8
> > bidirectional data lines)  i.e. FlexSPI acts as an interface to external devices,
> > maximum 4, each with up to 8  bidirectional data lines.
> > 
> > - Tested this driver with mtd_debug(Erase/Write/Read) utility and JFFS2
> > filesystem mounting and booting on NXP LX2160ARDB[2] and LX2160AQDS
> > targets.
> >  LX2160ARDB is having two NOR slave device connected on single bus A  i.e. A0
> > and A1 (CS0 and CS1).
> >  LX2160AQDS is having two NOR slave device connected on separate buses  one
> > flash on A0 and second on B1 i.e. (CS0 and CS3).
> >  Verified this driver on following SPI NOR flashes:
> >    Micron, mt35xu512aba[3], [Read - 1 bit mode]
> >    Cypress, s25fl512s, [Read - 1/2/4 bit mode]
> > 
> > [1] https://www.nxp.com/docs/en/reference-manual/IMXRT1050RM.pdf
> > [2] https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=26689
> > [3] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70179
> > 
> > Yogesh Gaur (5):
> >   spi: spi-mem: Add driver for NXP FlexSPI controller
> >   dt-bindings: spi: add binding file for NXP FlexSPI controller
> >   arm64: dts: lx2160a: add FlexSPI node property
> >   arm64: defconfig: enable NXP FlexSPI driver
> >   MAINTAINERS: add maintainers for the NXP FlexSPI driver
> > 
> > Changes for v4:
> > - Incorporated review comments for
> >   patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'.
> > - Incorporated binding file review comments.
> > Changes for v3:
> > - Incorporated review comments for
> >   patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'.
> > Changes for v2:
> > - Incorporated Boris review comments and drop below patches as per the
> > comments.
> >  - Patch 'spi: add slave device size in spi_device struct'
> >  - Patch 'spi: add flags for octal I/O data transfer'
> > - Incorporated DTS and Binding file review comments of Shawn Guo and Rob
> > Herring.
> > 
> >  .../devicetree/bindings/spi/spi-nxp-fspi.txt       |   39 +
> >  MAINTAINERS                                        |    6 +
> >  arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts  |   22 +
> >  arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi     |   12 +
> >  arch/arm64/configs/defconfig                       |    1 +
> >  drivers/spi/Kconfig                                |   10 +
> >  drivers/spi/Makefile                               |    1 +
> >  drivers/spi/spi-nxp-fspi.c                         | 1158 ++++++++++++++++++++
> >  8 files changed, 1249 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
> >  create mode 100644 drivers/spi/spi-nxp-fspi.c
> > 
> > --
> > 2.7.4  
>