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SubjectRe: [PATCH v6 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
Date
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
>
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