[PATCH] ISSI Octal SPI-NOR device support. PATCH v2

Jeffrey Yu jeyu at issi.com
Tue Sep 1 20:20:15 PDT 2026


This patch revision fixes issues reported by kernel test robot.
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-nor/issi.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c
index 18d9a00aa22e..08d83f0b5413 100644
--- a/drivers/mtd/spi-nor/issi.c
+++ b/drivers/mtd/spi-nor/issi.c
@@ -126,6 +126,30 @@ static const struct flash_info issi_nor_parts[] = {
 		.flags = SPI_NOR_QUAD_PP,
 		.fixups = &is25lp256_fixups,
 		.fixup_flags = SPI_NOR_4B_OPCODES,
+	}, {
+		.id = SNOR_ID(0x9d, 0x5b, 0x19),
+		.name = "is25wx256",
+		.size = SZ_256M,
+	}, {
+		.id = SNOR_ID(0x9d, 0x5a, 0x19),
+		.name = "is25lx256",
+		.size = SZ_256M,
+	}, {
+		.id = SNOR_ID(0x9d, 0x5b, 0x1a),
+		.name = "is25wx512m",
+		.size = SZ_512M,
+	}, {
+		.id = SNOR_ID(0x9d, 0x5a, 0x1a),
+		.name = "is25lx512m",
+		.size = SZ_512M,
+	}, {
+		.id = SNOR_ID(0x9d, 0x5b, 0x1b),
+		.name = "is25wx01g",
+		.size = SZ_1G,
+	}, {
+		.id = SNOR_ID(0x9d, 0x5a, 0x1b),
+		.name = "is25lx01g",
+		.size = SZ_1G,
 	}
 };
 
-- 
2.43.0




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