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

Ssunk ssunkkan at gmail.com
Fri Jan 30 12:01:32 CET 2026


This patch adds JEDEC IDs for Puyasemi PY25F512HB, PY25F01GHB,
PY25F512LC, and PY25F01GLC flash parts.

site: https://www.puyasemi.com

Signed-off-by: Ssunk <ssunkkan at gmail.com>
---
 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)
+
 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
 	{ },
 };
-- 
2.34.1



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