mtd: spinand: winbond: Enable high-speed modes on w25n0xjw

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w25n0xjw chips have a high-speed capability hidden in a configuration
register. Once enabled, dual/quad SDR reads may be performed at a much
higher frequency.

Implement the new ->configure_chip() hook for this purpose and configure
the SR4 register accordingly.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

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This commit is contained in:

Miquel Raynal 2025-06-18 14:14:23 +02:00

parent da55809ebb

commit f1a91175fa

3 changed files with 45 additions and 3 deletions

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2

drivers/mtd/nand/spi/core.c

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45

drivers/mtd/nand/spi/winbond.c

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1

include/linux/mtd/spinand.h

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