On Thu, Apr 07, 2022 at 11:06:47PM +0800, Chuanhong Guo wrote:
> Mediatek has an extended version of their NAND Flash Interface which
> has a SPI-NAND mode. In this mode, the controller can perform 1-bit
> spi-mem ops for up-to 0xa0 bytes and typical SPI-NAND single, dual
> and quad IO page cache ops with 2-byte address. Additionally, the
> page cache ops can be performed with ECC and auto data formatting
> using the ECC engine of the controller.
>
> This patchset implements support of this mode as a separated SPI-MEM
> driver with piplined ECC engine.
^^^^^^^^
missing 'e': pipelined
For the whole series:
Tested-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
>
> Changes since v1:
> add a blank line between properties in dt binding doc
> rename ecc-engine to nand-ecc-engine for the generic properties
> fix warnings/errors from the CI
>
> Changes since v2:
> use streamed DMA api to avoid an extra memory copy during read
> make ECC engine config a per-nand context
> take user-requested ECC strength into account
>
> Change since v3:
> fix a missed ecc-engine rename in doc from v1
>
> Chuanhong Guo (5):
> mtd: nand: make mtk_ecc.c a separated module
> spi: add driver for MTK SPI NAND Flash Interface
> mtd: nand: mtk-ecc: also parse nand-ecc-engine if available
> dt-bindings: spi: add binding doc for spi-mtk-snfi
> arm64: dts: mediatek: add mtk-snfi for mt7622
>
> .../bindings/spi/mediatek,spi-mtk-snfi.yaml | 88 +
> arch/arm64/boot/dts/mediatek/mt7622.dtsi | 12 +
> drivers/mtd/nand/Kconfig | 7 +
> drivers/mtd/nand/Makefile | 1 +
> drivers/mtd/nand/{raw/mtk_ecc.c => ecc-mtk.c} | 8 +-
> drivers/mtd/nand/raw/Kconfig | 1 +
> drivers/mtd/nand/raw/Makefile | 2 +-
> drivers/mtd/nand/raw/mtk_nand.c | 2 +-
> drivers/spi/Kconfig | 10 +
> drivers/spi/Makefile | 1 +
> drivers/spi/spi-mtk-snfi.c | 1442 +++++++++++++++++
> .../linux/mtd/nand-ecc-mtk.h | 0
> 12 files changed, 1569 insertions(+), 5 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> rename drivers/mtd/nand/{raw/mtk_ecc.c => ecc-mtk.c} (98%)
> create mode 100644 drivers/spi/spi-mtk-snfi.c
> rename drivers/mtd/nand/raw/mtk_ecc.h => include/linux/mtd/nand-ecc-mtk.h (100%)
>
> --
> 2.35.1
>
>
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