[PATCH v3] spi-nor: Add Winbond w25q512jv

Joel Stanley joel at jms.id.au
Mon Jun 19 23:20:28 PDT 2017


From: Benjamin Herrenschmidt <benh at kernel.crashing.org>

Similar to the other ones, different size. The "JV" suffix is in
the datasheet, I haven't seen mentions of a different one.

The the datasheet indicates DUAL and QUAD are supported.

http://www.winbond.com/resource-files/w25m512jv%20revc%2001062017.pdf

Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Signed-off-by: Joel Stanley <joel at jms.id.au>
---
v3:
 - Added the DUAL and QUAD flags for ben. Tested with aspeed-smc driver.

 drivers/mtd/spi-nor/spi-nor.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index eef55b597ec7..ad46dc82c8d1 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1146,6 +1146,8 @@ static const struct flash_info spi_nor_ids[] = {
 	{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024,  16, SECT_4K) },
 	{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
 	{ "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K) },
+	{ "w25q512jv", INFO(0xef7119, 0, 64 * 1024, 1024,
+			SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) },
 
 	/* Catalyst / On Semiconductor -- non-JEDEC */
 	{ "cat25c11", CAT25_INFO(  16, 8, 16, 1, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
-- 
2.11.0




More information about the linux-mtd mailing list