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mtd: spi-nor: winbond: Add support for W25H02NWxxAM chips

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These chips must be described as none of the block protection
information are discoverable. This chip supports 4 bits plus the
top/bottom addressing capability to identify the protected blocks.

Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
This commit is contained in:
Miquel Raynal
2025-11-05 18:27:05 +01:00
committed by Pratyush Yadav
parent 1df1fdbc7e
commit 604cf6a401
1 changed files with 4 additions and 0 deletions
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4
drivers/mtd/spi-nor/winbond.c
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@@ -363,6 +363,10 @@ static const struct flash_info winbond_nor_parts[] = {
/* W25H01NWxxAM */
.id = SNOR_ID(0xef, 0xa0, 0x21),
.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6 | SPI_NOR_4BIT_BP,
}, {
/* W25H02NWxxAM */
.id = SNOR_ID(0xef, 0xa0, 0x22),
.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6 | SPI_NOR_4BIT_BP,
},
};