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mtd: spi-nor: Add Dosilicon DS25M/Q series support

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Add support for dosilicon ds25m4cb, ds25m4dn, ds25q4cb, ds25q4dn

Datasheets:
ds25m4cb:
https://www.dosilicon.com/resources/SPI%20NOR/DS25M4CB-XXXXX_Rev04.pdf
ds25m4dn:
https://www.dosilicon.com/resources/SPI%20NOR/DS25M4DN-XXXXX_Rev03.pdf
ds25q4cb:
https://www.dosilicon.com/resources/SPI%20NOR/DS25Q4CB-XXXXX_Rev03.pdf
ds25q4dn:
https://www.dosilicon.com/resources/SPI%20NOR/DS25Q4DN-XXXXX_Rev01.pdf

Signed-off-by: Ssunk <ssunkkan@gmail.com>
[trini: Adjust spacing]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Ssunk 2026-02-08 12:17:57 +08:00 committed by Tom Rini
parent fba2419269
commit c56db9b4a4
2 changed files with 16 additions and 0 deletions
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5
drivers/mtd/spi/Kconfig
View File

@ -157,6 +157,11 @@ config SPI_FLASH_ATMEL
help
Add support for various Atmel SPI flash chips (AT45xxx and AT25xxx)
config SPI_FLASH_DOSILICON
bool "Dosilicon SPI flash support"
help
Add support for various Dosilicon SPI flash chips (DS25xxx)
config SPI_FLASH_EON
bool "EON SPI flash support"
help

11
drivers/mtd/spi/spi-nor-ids.c
View File

@ -77,6 +77,17 @@ const struct flash_info spi_nor_ids[] = {
{ INFO("at25sl321", 0x1f4216, 0, 64 * 1024, 64, SECT_4K) },
{ INFO("at26df081a", 0x1f4501, 0, 64 * 1024, 16, SECT_4K) },
#endif
#ifdef CONFIG_SPI_FLASH_DOSILICON
/* Dosilicon Co., Ltd */
{ INFO("ds25m4cb", 0xe5401a, 0, 64 * 1024, 1024,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
{ INFO("ds25m4dn", 0xe5401b, 0, 64 * 1024, 2048,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
{ INFO("ds25q4cb", 0xe5301a, 0, 64 * 1024, 1024,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
{ INFO("ds25q4dn", 0xe5301b, 0, 64 * 1024, 2048,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
#endif
#ifdef CONFIG_SPI_FLASH_EON /* EON */
/* EON -- en25xxx */
{ INFO("en25q80b", 0x1c3014, 0, 64 * 1024, 16, SECT_4K) },