[PATCH] mtd: spi-nor: ids: Add support for Puyasemi flash chips

[Clus Tom]

Hi Anshul,
Thanks for the review. I have sent v2 with the requested changes (using
existing config and adding datasheet links).

Best regards,
Ssunk

Anshul Dalal <anshuld at ti.com> 于2026年2月2日周一 13:42写道：

> On Fri Jan 30, 2026 at 4:31 PM IST, Ssunk wrote:
> > This patch adds JEDEC IDs for Puyasemi PY25F512HB, PY25F01GHB,
> > PY25F512LC, and PY25F01GLC flash parts.
> >
> > site: https://www.puyasemi.com
>
> A link to the datasheets and a reference to the "Table ID Definitions"
> would be helpful in cross-checking the correctness of the IDs.
>
> >
> > Signed-off-by: Ssunk <ssunkkan at gmail.com>
>
> The patch doesn't apply cleanly, please rebase on master or next (as
> appropriate) for the next revision.
>
> > ---
> >  drivers/mtd/spi/Kconfig       |  6 ++++++
> >  drivers/mtd/spi/spi-nor-ids.c | 11 +++++++++++
> >  2 files changed, 17 insertions(+)
> >
> > diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig
> > index a9617c6c58..c223862a46 100644
> > --- a/drivers/mtd/spi/Kconfig
> > +++ b/drivers/mtd/spi/Kconfig
> > @@ -217,6 +217,12 @@ config SPI_FLASH_XTX
> >         Add support for various XTX (XTX Technology Limited)
> >         SPI flash chips (XT25xxx).
> >
> > +config SPI_FLASH_PUYASEMI
> > +     bool "PUYASEMI SPI flash support"
> > +     help
> > +       Add support for various PUYASEMI (Puya Semiconductor (Shanghai)
> Co., Ltd.)
> > +       SPI flash chips (py25xxx)
> > +
>
> Can't this be included as part of the existing CONFIG_SPI_FLASH_PUYA
> which was added by the commit 5c73c05f20be ("mtd: spi-nor-ids: Add Puya
> Semiconductor chips description")?
>
> Nit: Would be nice to see new configs being added in alphabetical order
> in the Kconfig, though the order is not strictly followed currently :(
>
> >  endif
> >
> >  config SPI_FLASH_USE_4K_SECTORS
> > diff --git a/drivers/mtd/spi/spi-nor-ids.c
> b/drivers/mtd/spi/spi-nor-ids.c
> > index 4b7b358eac..2e479ab8a1 100644
> > --- a/drivers/mtd/spi/spi-nor-ids.c
> > +++ b/drivers/mtd/spi/spi-nor-ids.c
> > @@ -624,6 +624,17 @@ const struct flash_info spi_nor_ids[] = {
> >              SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> SPI_NOR_4B_OPCODES) },
> >       { INFO("xt25w01g", 0x0b651B, 0, 64 * 1024, 2048,
> >              SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> SPI_NOR_4B_OPCODES) },
> > +#endif
> > +#ifdef CONFIG_SPI_FLASH_PUYASEMI
> > +     /* Puya Semiconductor (Shanghai) Co., Ltd */
> > +     { INFO("py25f512hb", 0x85231a, 0, 64 * 1024, 1024,
> > +            SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> SPI_NOR_4B_OPCODES) },
> > +     { INFO("py25f01ghb", 0x85231b, 0, 64 * 1024, 2048,
> > +            SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> SPI_NOR_4B_OPCODES) },
> > +     { INFO("py25f512lc", 0x85631a, 0, 64 * 1024, 1024,
> > +            SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> SPI_NOR_4B_OPCODES) },
> > +     { INFO("py25f01glc", 0x85631b, 0, 64 * 1024, 2048,
> > +            SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> SPI_NOR_4B_OPCODES) },
> >  #endif
> >       { },
> >  };
>
>