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From:   Potin Lai <potin.lai@quantatw.com>
To:     Tudor Ambarus <tudor.ambarus@microchip.com>,
        Michael Walle <michael@walle.cc>,
        Pratyush Yadav <p.yadav@ti.com>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Richard Weinberger <richard@nod.at>,
        Vignesh Raghavendra <vigneshr@ti.com>
Cc:     Patrick Williams <patrick@stwcx.xyz>,
        Potin Lai <potin.lai@quantatw.com>,
        linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 1/1] mtd: spi-nor: winbond: Add support for w25q01jv-iq
Date:   Tue, 22 Feb 2022 14:42:26 +0800
Message-Id: <20220222064227.16724-1-potin.lai@quantatw.com>
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Add support for winbond w25q01jv-iq chip

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:~# 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

Signed-off-by: Potin Lai <potin.lai@quantatw.com>

---

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