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

From: Boris Brezillon
Date: Mon Oct 22 2018 - 07:50:31 EST


On Mon, 22 Oct 2018 11:43:40 +0000
Yogesh Narayan Gaur <yogeshnarayan.gaur@xxxxxxx> 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@xxxxxxx]
> > Sent: Thursday, October 11, 2018 4:30 PM
> > To: linux-mtd@xxxxxxxxxxxxxxxxxxx; boris.brezillon@xxxxxxxxxxx;
> > marek.vasut@xxxxxxxxx; linux-spi@xxxxxxxxxxxxxxx;
> > devicetree@xxxxxxxxxxxxxxx
> > Cc: robh@xxxxxxxxxx; mark.rutland@xxxxxxx; shawnguo@xxxxxxxxxx; linux-
> > arm-kernel@xxxxxxxxxxxxxxxxxxx; computersforpeace@xxxxxxxxx;
> > frieder.schrempf@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Yogesh Narayan
> > Gaur <yogeshnarayan.gaur@xxxxxxx>
> > 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
>