[PATCH v2 2/2] mtd: spi-nor: Add Renesas AT25QL128A serial nor flash
Biju Das
biju.das.jz at bp.renesas.com
Fri Jul 15 03:57:16 PDT 2022
Add support for Renesas AT25QL128A serial nor flash.
Details of flash chip can be found here [1]
[1] https://www.dialog-semiconductor.com/sites/default/files/2022-04/DS-AT25QL128A-129F-022022.pdf
Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
---
$ xxd -p sfdp
53464450060101ff00060110300000ff1f00010280000001ffffffffffff
ffffffffffffffffffffffffffffffffffffe520f1ffffffff0744eb086b
083b80bbfeffffffffff00ffffff42eb0c200f5210d800ff3362d5008429
01ceeca1073d7a757a75f7a2d55c19f61cffe810c080ffffffffffffffff
ffffffffffffffff501650190000ffff
$ md5sum /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/sfdp
23e3ec56b5b8f986d0488ba4727239dd /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/sfdp
$ cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/jedec_id
1f4218
$ cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/partname
at25ql128a
$ cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/manufacturer
atmel
v2->v1:
* Added flash definitions into Atmel table.
RFC->v1:
* Moved the flash definitions to atmel.c
* Remove macro related to locking as it is untested.
* Replaced INFO macro with SNOR_ID3
RFC:
* https://patchwork.kernel.org/project/linux-renesas-soc/patch/20220501185512.51158-1-biju.das.jz@bp.renesas.com/
---
drivers/mtd/spi-nor/atmel.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/spi-nor/atmel.c b/drivers/mtd/spi-nor/atmel.c
index 656dd80a0be7..80c24d138b27 100644
--- a/drivers/mtd/spi-nor/atmel.c
+++ b/drivers/mtd/spi-nor/atmel.c
@@ -186,6 +186,7 @@ static const struct flash_info atmel_nor_parts[] = {
.fixups = &atmel_nor_global_protection_fixups },
{ "at25sl321", INFO(0x1f4216, 0, 64 * 1024, 64)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { "at25ql128a", SNOR_ID3(0x1f4218) },
{ "at26f004", INFO(0x1f0400, 0, 64 * 1024, 8)
NO_SFDP_FLAGS(SECT_4K) },
{ "at26df081a", INFO(0x1f4501, 0, 64 * 1024, 16)
--
2.25.1
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