[PATCH] Add JEDEC ID table entries for additional ISSI SPI-NOR devices.
Jeffrey Yu
jeyu at issi.com
Thu May 21 04:29:33 CEST 2026
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:
- IS25WX256 (JEDEC 0x9d5b19)
https://www.issi.com/WW/pdf/25LX-WX256-128.pdf
- IS25LX256 (JEDEC 0x9d5a19)
https://www.issi.com/WW/pdf/25LX-WX256-128.pdf
- IS25WX512M (JEDEC 0x9d5b1a)
https://www.issi.com/WW/pdf/25LX-WX512M.pdf
- IS25LX512M (JEDEC 0x9d5a1a)
https://www.issi.com/WW/pdf/25LX-WX512M.pdf
- IS25WX01G (JEDEC 0x9d5b1b)
https://www.issi.com/WW/pdf/25LX-WX01G.pdf
- IS25LX01G (JEDEC 0x9d5a1b)
https://www.issi.com/WW/pdf/25LX-WX01G.pdf
Signed-off-by: Jeffrey Y <jeyu at issi.com>
---
drivers/mtd/spi/spi-nor-ids.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index c0fa98424aa..039821b8175 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -301,6 +301,18 @@ const struct flash_info spi_nor_ids[] = {
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_TB) },
{ INFO("is25wp02gj", 0x9d7022, 0, 64 * 1024, 4096,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_TB) },
+ { INFO("is25wx256", 0x9d5b19, 0, 128 * 1024, 256,
+ SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ | SPI_NOR_4B_OPCODES) },
+ { INFO("is25lx256", 0x9d5a19, 0, 128 * 1024, 256,
+ SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ | SPI_NOR_4B_OPCODES) },
+ { INFO("is25wx512m", 0x9d5b1a, 0, 64 * 1024, 1024,
+ SECT_4K | USE_FSR | SPI_NOR_4B_OPCODES | SPI_NOR_HAS_TB) },
+ { INFO("is25lx512m", 0x9d5a1a, 0, 64 * 1024, 1024,
+ SECT_4K | USE_FSR | SPI_NOR_4B_OPCODES | SPI_NOR_HAS_TB) },
+ { INFO("is25wx01g", 0x9d5b1b, 0, 64 * 1024, 2048,
+ SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ | SPI_NOR_4B_OPCODES) },
+ { INFO("is25lx01g", 0x9d5a1b, 0, 64 * 1024, 2048,
+ SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ | SPI_NOR_4B_OPCODES) },
#endif
#ifdef CONFIG_SPI_FLASH_MACRONIX /* MACRONIX */
/* Macronix */
--
2.43.0
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