[PATCH v2 2/2] mtd: spi-nor: Add Renesas AT25QL128A serial nor flash

From: Biju Das <biju.das.jz@bp.renesas.com>
To: Tudor Ambarus <tudor.ambarus@microchip.com>,
	Pratyush Yadav <p.yadav@ti.com>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
	Michael Walle <michael@walle.cc>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Claudiu Beznea <claudiu.beznea@microchip.com>,
	linux-mtd@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Biju Das <biju.das@bp.renesas.com>,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	linux-renesas-soc@vger.kernel.org
Subject: [PATCH v2 2/2] mtd: spi-nor: Add Renesas AT25QL128A serial nor flash
Date: Fri, 15 Jul 2022 11:57:16 +0100	[thread overview]
Message-ID: <20220715105716.2415068-3-biju.das.jz@bp.renesas.com> (raw)
In-Reply-To: <20220715105716.2415068-1-biju.das.jz@bp.renesas.com>

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@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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