Messages in this thread Patch in this message | | | From | Potin Lai <> | Subject | [PATCH v3 1/1] mtd: spi-nor: winbond: Add support for w25q01jv-iq | Date | Tue, 22 Feb 2022 16:51:48 +0800 |
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Add support for winbond w25q01jv-iq chip
Signed-off-by: Potin Lai <potin.lai@quantatw.com>
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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 v2 --> v3: - move spi-nor flash information to comment area 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 w25q01jv-iq 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 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..4c088250fe96 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) }, + { "w25q01jv-iq", INFO(0xef4021, 0, 64 * 1024, 2048) + PARSE_SFDP }, }; /** -- 2.17.1
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