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 -- 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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