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SubjectRe: [PATCH v6 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
Hi Schrempf,

> On 08.01.19 10:24, Yogesh Narayan Gaur wrote:
> > - 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, [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/?submitter=182097
> >
> > Yogesh Narayan 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 v6:
> > - Rebase on top of v5.0-rc1.
>
> Your patches don't apply to v5.0-rc1. It seems like you have instead
> rebased onto the for-5.1 or for-next branch of the SPI tree. I guess
> this is okay, but you should have pointed that out correctly here.

If I may ask for a few (1-2) days, so I can test this code on vf610 NXP
SoC.

As fair as I remember there were some issues when I tested it a few
months back.

>
> > - Incorporated review comments for
> > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'.
> > - Updated s-b tag in all patches.
> > Changes for v5:
> > - Rebase on top of v4.20-rc2
> > - Incorporated review comments for
> > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'.
> > 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 | 7 +
> > .../boot/dts/freescale/fsl-lx2160a-rdb.dts | 22 +
> > .../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 13 +
> > arch/arm64/configs/defconfig | 1 +
> > drivers/spi/Kconfig | 10 +
> > drivers/spi/Makefile | 1 +
> > drivers/spi/spi-nxp-fspi.c | 1095
> > +++++++++++++++++ 8 files changed, 1188 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt create mode
> > 100644 drivers/spi/spi-nxp-fspi.c
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/




Best regards,

Lukasz Majewski

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