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. > - 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 >
