linux-kernel - [PATCH] mtd: spinand: winbond: add support for serial NAND flash

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Message-ID: <20231012064134.4068621-1-quic_sridsn@quicinc.com>
Date:   Thu, 12 Oct 2023 12:11:34 +0530
From:   Sridharan S N <quic_sridsn@...cinc.com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <frieder.schrempf@...tron.de>, <mikhail.kshevetskiy@...sys.eu>,
        <olivier.maignial@...mail.fr>, <quic_sridsn@...cinc.com>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC:     Md Sadre Alam <quic_mdalam@...cinc.com>
Subject: [PATCH] mtd: spinand: winbond: add support for serial NAND flash

Add support for W25N01JW, W25N02JWZEIF, W25N512GW,
W25N02KWZEIR and W25N01GWZEIG.

W25N02KWZEIR has 8b/512b on-die ECC capability and other
four has 4b/512b on-die ECC capability.

Signed-off-by: Sridharan S N <quic_sridsn@...cinc.com>
Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
---
 drivers/mtd/nand/spi/winbond.c | 45 ++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c
index f507e3759301..1a473021cca5 100644
--- a/drivers/mtd/nand/spi/winbond.c
+++ b/drivers/mtd/nand/spi/winbond.c
@@ -169,6 +169,51 @@ static const struct spinand_info winbond_spinand_table[] = {
 					      &update_cache_variants),
 		     0,
 		     SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
+	SPINAND_INFO("W25N01JW",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xbc, 0x21),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25m02gv_ooblayout, w25n02kv_ecc_get_status)),
+	SPINAND_INFO("W25N02JWZEIF",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xbf, 0x22),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 2, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
+	SPINAND_INFO("W25N512GW",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x20),
+		     NAND_MEMORG(1, 2048, 64, 64, 512, 10, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
+	SPINAND_INFO("W25N02KWZEIR",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x22),
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
+	SPINAND_INFO("W25N01GWZEIG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x21),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25m02gv_ooblayout, w25n02kv_ecc_get_status)),
 };
 
 static int winbond_spinand_init(struct spinand_device *spinand)
-- 
2.34.1