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