Hi Frieder, > Hi Lukasz, > > On 09.01.19 15:56, Lukasz Majewski wrote: > > 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. > > You're probably mixing that up. This series is about the FlexSPI > controller in the Layerscape SOCs. Thanks for the explanation - I've indeed mixed up things a bit :-). I was of course thinking about the QuadSPI driver - as in [1]. > > The QuadSPI driver is already in linux-next to be merged in 5.1 [1]. > The issues with vf610 existed in the old SPI-NOR driver and probably > still exist in the new SPI driver. You are welcome to test the new > driver and come up with some fixes. I've posted some questions on NXP community, but no reply so far. > > Sooner or later, there will probably also be other changes coming up, > such as implementation of the dirmap API. > > Thanks, > Frieder > > [1]: > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/spi?h=next-20190109&id=84d043185dbe0d1b4f6db575bd91c834d37e2f78 > > > > >> > >>> - 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 > > > > -- > > > > DENX Software Engineering GmbH, Managing Director: Wolfgang > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, > > Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: > > lukma@xxxxxxx > ______________________________________________________ > Linux MTD discussion mailing list > http://lists.infradead.org/mailman/listinfo/linux-mtd/ Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@xxxxxxx
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