[PATCH V4] mtd: spi-nor: winbond: Add support for winbond chip

Shaik Sajida Bhanu quic_c_sbhanu at quicinc.com
Thu Jan 20 01:54:51 PST 2022


Add support for winbond W25Q512NW-IM chip.

Signed-off-by: Shaik Sajida Bhanu <quic_c_sbhanu at quicinc.com>
Reviewed-by: Doug Anderson <dianders at chromium.org>
---

Changes since V1:
	- Added space before name of the flash part as suggested by Doug.

Changes since V2:
	- Updated chip name as w25q512nwm as suggested by Doug.

Changes since V3:
	- Updated flash_info flags passing according to below patch
	 https://lore.kernel.org/all/20211207140254.87681-7-tudor.ambarus@microchip.com/
	 As suggested by Tudor Ambarus.
---
 drivers/mtd/spi-nor/winbond.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
index 675f32c..c4be225 100644
--- a/drivers/mtd/spi-nor/winbond.c
+++ b/drivers/mtd/spi-nor/winbond.c
@@ -124,6 +124,10 @@ static const struct flash_info winbond_parts[] = {
 	{ "w25m512jv", INFO(0xef7119, 0, 64 * 1024, 1024)
 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ |
 			      SPI_NOR_DUAL_READ) },
+	{ "w25q512nwm", INFO(0xef8020, 0, 64 * 1024, 1024)
+		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
+			      SPI_NOR_QUAD_READ) },
 	{ "w25q512jvq", INFO(0xef4020, 0, 64 * 1024, 1024)
 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
 			      SPI_NOR_QUAD_READ) },
-- 
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