[PATCH] Add JEDEC ID table entries for additional ISSI SPI-NOR devices.

[Takahiro Kuwano]

Hi,

On 5/11/2026 3:06 PM, Jeffrey Yu wrote:
> Add JEDEC ID table entries for additional ISSI SPI-NOR
>  devices.
> 
> These parts previously not yet supported.
> With these entries, Linux software can match the device by JEDEC ID
> and use the existing ISSI SPI-NOR device handling.
> 
> Newly added devices include:
>   - IS25LP512MJ  (JEDEC 0x9d6020)
>     https://www.issi.com/WW/pdf/25LP-WP512MJ.pdf
>   - IS25WP512MJ  (JEDEC 0x9d7020)
>     https://www.issi.com/WW/pdf/25LP-WP512MJ.pdf
>   - IS25LP010E   (JEDEC 0x9d4011)
>     https://www.issi.com/WW/pdf/25LP-WP040E-020E-010E-512E-025E.pdf
>   - IS25LP020E   (JEDEC 0x9d4012)
>     https://www.issi.com/WW/pdf/25LP-WP040E-020E-010E-512E-025E.pdf
>   - IS25LP040E   (JEDEC 0x9d4013)
>     https://www.issi.com/WW/pdf/25LP-WP040E-020E-010E-512E-025E.pdf
>   - IS25LP01GJ   (JEDEC 0x9d6021)
>     https://www.issi.com/WW/pdf/25LP-WP01GJ.pdf
>   - IS25LP02GG   (JEDEC 0x9d6022)
>     https://www.issi.com/WW/pdf/25LP-WP02GG.pdf
>   - IS25LP02GJ   (JEDEC 0x9d6022)
>     https://www.issi.com/WW/pdf/25LP-WP02GJ.pdf
>   - IS25WP01GG   (JEDEC 0x9d7021)
>     https://www.issi.com/WW/pdf/25LP-WP01GG.pdf
>   - IS25WP01GJ   (JEDEC 0x9d7021)
>     https://www.issi.com/WW/pdf/25LP-WP01GJ.pdf
>   - IS25WJ128F   (JEDEC 0x9d7118)
>     https://www.issi.com/WW/pdf/25WJ128F.pdf
>   - IS25WP02GG   (JEDEC 0x9d7022)
>     https://www.issi.com/WW/pdf/25LP-WP02GG.pdf
>   - IS25WP02GJ   (JEDEC 0x9d7022)
>     https://www.issi.com/WW/pdf/25LP-WP02GJ.pdf
> 
> Signed-off-by: Jeff Yu <jeyu at issi.com>

Please read and follow the guideline [1].
Use Link: tags for datasheet references.

> ---
>  drivers/mtd/spi-nor/issi.c | 571 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 571 insertions(+)
>  create mode 100644 drivers/mtd/spi-nor/issi.c
> 
The issi.c is existing file. Patch must contain changes you made only.

There are many style errors in this patch.
Please run 'scripts/checkpatch.pl --strict' to detect and fix errors.

Thanks,
Takahiro

[1] https://docs.kernel.org/driver-api/mtd/spi-nor.html