> On 11/2/26 10:12 AM, [email protected] wrote: > > Hello Kuwano-san, > Hi Marek,
> >> From: Kenichi Nagai <[email protected]> > >> > >> Add IDs for Winbond W77T51NW, 512M-bit Secure Serial Flash Memory > >> with Post-Quantum Cryptography, SPI, Quad, Octal and DTR . For > >> details please see vendor page: > >> > >> https://www.winbond.com/hq/product/code-storage-flash/trustme-secure/w77t-nw/ > >> > > Please use Link: tag. > > Does Link tag apply to arbitrary links in the commit message ? > > I believe Link tag only applies to lore links, hence I did not use it. > I have been using Link: tag with datasheet link since [3]. I prefer to use the tag with datasheet link if it is publicly available in vendor's site, but I won't push for it. > > Unfortunately, datasheet isn't publicly available... > > Yes, I know. > > > Is it possible to add board information you tested? > > Retronix Sparrow Hawk , Renesas R-Car V4H SoC . > Having a working board available is very helpful. Thank you. > >> Signed-off-by: Kenichi Nagai <[email protected]> > >> Signed-off-by: Marek Vasut <[email protected]> > >> --- > >> Cc: Kenichi Nagai <[email protected]> > >> Cc: Takahiro Kuwano <[email protected]> > >> Cc: Tom Rini <[email protected]> > >> Cc: Vignesh R <[email protected]> > >> Cc: Vincent Jardin <[email protected]> > >> Cc: Yuya Hamamachi <[email protected]> > >> Cc: [email protected] > >> --- > >> 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 67486d7a945..fce22300b61 100644 > >> --- a/drivers/mtd/spi/spi-nor-ids.c > >> +++ b/drivers/mtd/spi/spi-nor-ids.c > >> @@ -670,6 +670,7 @@ const struct flash_info spi_nor_ids[] = { > >> { INFO("w25q01nw-im", 0xef8021, 0, 64 * 1024, 2048, SECT_4K | > >> SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, > >> { INFO("w25q02nw-im", 0xef8022, 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) }, > >> + { INFO("w77t51nw", 0xef8e1a, 0, 64 * 1024, 1024, SECT_4K | > >> SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | > SPI_NOR_4B_OPCODES) }, > > > > It would be helpful to see how it differs from the existing w77q51nw. > From what I can find in [1] and [2], W77T is faster and wider than W77Q: > - W77T is up to Octal-IO/200MHz > - W77Q is up to Quad-IO /166MHz Just out of curiosity, do you plan to add Octal-IO support in the future? > The security extras are unsupported by either U-Boot or Linux, and I do > not know the details of the security extras of the W77T part, so I can > not comment on that. > > And of course, the ID differs too. > > Do you have any particular detail in mind that you would like me to find > out ? > Nothing particularly. I understood the interface improvement in W77T. > Thank you for your help ! > Thank you! Reviewed-by: Takahiro Kuwano <[email protected]> > [1] > https://www.winbond.com/hq/product/code-storage-flash/trustme-secure/w77t-nw/ > [2] > https://www.winbond.com/hq/product/code-storage-flash/trustme-secure/w77q-nw/ > > -- > Best regards, > Marek Vasut [3] https://lore.kernel.org/linux-mtd/[email protected]/
