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mtd: spinand: winbond: Enable high-speed modes on w25n0xjw
authorMiquel Raynal <miquel.raynal@bootlin.com>
Wed, 18 Jun 2025 12:14:23 +0000 (14:14 +0200)
committerMiquel Raynal <miquel.raynal@bootlin.com>
Wed, 30 Jul 2025 09:32:16 +0000 (11:32 +0200)
commitf1a91175faaab02a45d1ceb313a315a5bfeb5416
treed6f1938828ba9162f813ccdd35ba00fea12c013ctree
parentda55809ebb45d1d80b7a388ffef841ed683e1a6fcommit | diff
mtd: spinand: winbond: Enable high-speed modes on w25n0xjw

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>
drivers/mtd/nand/spi/core.c diff | blob | blame | history
drivers/mtd/nand/spi/winbond.c diff | blob | blame | history
include/linux/mtd/spinand.h diff | blob | blame | history
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