[PATCH] mtd: spi-nor-ids: Add support for Winbond W77Q51NW

Prasanth Mantena p-mantena at ti.com
Mon Jul 21 14:03:12 CEST 2025


On 21:58, Marek Vasut wrote:
> Add IDs for Winbond W77Q51NW, 512M-bit Secure Serial Flash Memory
> with Post-Quantum Cryptography, Dual/Quad SPI, QPI and DTR . The
> flash part is similar to W25Q512NWM .
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
> ---
> Cc: Jagan Teki <jagan at amarulasolutions.com>
> Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
> Cc: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
> Cc: Tom Rini <trini at konsulko.com>
> Cc: Tudor Ambarus <tudor.ambarus at linaro.org>
> Cc: Venkatesh Yadav Abbarapu <venkatesh.abbarapu at amd.com>
> Cc: Vignesh R <vigneshr at ti.com>
> Cc: u-boot at lists.denx.de
> ---
>  drivers/mtd/spi/spi-nor-ids.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
> index e7e97780d7c..0383175beb5 100644
> --- a/drivers/mtd/spi/spi-nor-ids.c
> +++ b/drivers/mtd/spi/spi-nor-ids.c
> @@ -591,6 +591,7 @@ const struct flash_info spi_nor_ids[] = {
>  	{ INFO("w25m512jw", 0xef6119, 0, 64 * 1024, 1024, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
>  	{ INFO("w25m512jv", 0xef7119, 0, 64 * 1024, 1024, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
>  	{ INFO("w25h02jv", 0xef9022, 0, 64 * 1024, 4096, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> +	{ INFO("w77q51nw", 0xef8a1a, 0, 64 * 1024, 1024, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },

Hi Marek,

Is there a place where we can refer to the datasheet.
According to commit message, Its similar flash part W25Q512NWM seems
to have 4Byte address mode but capability is not seen in the code [0].
Is this some limitation that goes with this flash as well.

[0] https://elixir.bootlin.com/u-boot/v2025.07/source/drivers/mtd/spi/spi-nor-ids.c#L553

Thanks,
Prasanth

>  #endif
>  #ifdef CONFIG_SPI_FLASH_XMC
>  	/* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
> -- 
> 2.47.2
> 
> 


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