* [PATCH v4 1/1] mtd: spi-nor: winbond: Add support for w25q01jvq
@ 2022-02-22 9:22 Potin Lai
0 siblings, 0 replies; only message in thread
From: Potin Lai @ 2022-02-22 9:22 UTC (permalink / raw)
To: Tudor Ambarus, Michael Walle, Pratyush Yadav, Miquel Raynal,
Richard Weinberger, Vignesh Raghavendra
Cc: Patrick Williams, Potin Lai, linux-mtd, linux-kernel
Add support for winbond w25q01jvq chip
Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Reviewed-by: Michael Walle <michael@walle.cc>
---
v3: https://lore.kernel.org/all/20220222085148.21594-1-potin.lai@quantatw.com/
v2: https://lore.kernel.org/all/20220222064227.16724-1-potin.lai@quantatw.com/
v1: https://lore.kernel.org/all/20211224104522.24615-1-potin.lai@quantatw.com/
Changes v3 --> v4:
- fix correct chip name "w25q01jvq"
root@bletchley:~# cat /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/jedec_id
ef4021
root@bletchley:~# cat /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/manufacturer
winbond
root@bletchley:~# cat /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/partname
w25q01jvq
root@bletchley:~# md5sum /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp
a7b9dbf76e99a33db99e557b6676588a /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp
root@bletchley:~# hexdump -C /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp
00000000 53 46 44 50 06 01 01 ff 00 06 01 10 80 00 00 ff |SFDP............|
00000010 84 00 01 02 d0 00 00 ff 03 00 01 02 f0 00 00 ff |................|
00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
00000080 e5 20 fb ff ff ff ff 3f 44 eb 08 6b 08 3b 42 bb |. .....?D..k.;B.|
00000090 fe ff ff ff ff ff 00 00 ff ff 40 eb 0c 20 0f 52 |..........@.. .R|
000000a0 10 d8 00 00 36 02 a6 00 82 ea 14 e2 e9 63 76 33 |....6........cv3|
000000b0 7a 75 7a 75 f7 a2 d5 5c 19 f7 4d ff e9 70 f9 a5 |zuzu...\..M..p..|
000000c0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000d0 ff 0a f0 ff 21 ff dc ff |....!...|
000000d8
Changes v2 --> v3:
- move spi-nor flash information to comment area
Changes v1 --> v2:
- rework patch to work with new flags
---
drivers/mtd/spi-nor/winbond.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
index 59d53b4c39c8..960ce04ab381 100644
--- a/drivers/mtd/spi-nor/winbond.c
+++ b/drivers/mtd/spi-nor/winbond.c
@@ -131,6 +131,8 @@ static const struct flash_info winbond_parts[] = {
{ "w25q512jvq", INFO(0xef4020, 0, 64 * 1024, 1024)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
SPI_NOR_QUAD_READ) },
+ { "w25q01jvq", INFO(0xef4021, 0, 64 * 1024, 2048)
+ PARSE_SFDP },
};
/**
--
2.17.1
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