linux-kernel - [PATCH v3] mtd: spi-nor: macronix: Add support for mx66l2g45g

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Message-Id: <20220523150334.1758649-1-jiaqing.zhao@linux.intel.com>
Date:   Mon, 23 May 2022 23:03:35 +0800
From:   Jiaqing Zhao <jiaqing.zhao@...ux.intel.com>
To:     linux-mtd@...ts.infradead.org,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Pratyush Yadav <p.yadav@...com>,
        Michael Walle <michael@...le.cc>
Cc:     linux-kernel@...r.kernel.org,
        Jiaqing Zhao <jiaqing.zhao@...ux.intel.com>
Subject: [PATCH v3] mtd: spi-nor: macronix: Add support for mx66l2g45g

Macronix mx66l2g45g is a 3V, 2Gbit (256MB) NOR flash that supports
x1, x2, and x4 operation modes.

Tested read/write/erase with Aspeed AST2600 BMC SoC operating in x2
mode at 50MHz, using Aspeed spi-mem driver.

Signed-off-by: Jiaqing Zhao <jiaqing.zhao@...ux.intel.com>
---
 drivers/mtd/spi-nor/macronix.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c
index d81a4cb2812b..33d02a01b381 100644
--- a/drivers/mtd/spi-nor/macronix.c
+++ b/drivers/mtd/spi-nor/macronix.c
@@ -95,6 +95,8 @@ static const struct flash_info macronix_nor_parts[] = {
 	{ "mx66l1g45g",  INFO(0xc2201b, 0, 64 * 1024, 2048)
 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
 			      SPI_NOR_QUAD_READ) },
+	// TODO: Use SNOR_ID3() for "mx66l2g45g"
+	{ "mx66l2g45g",  INFO(0xc2201c, 0, 0, 0) PARSE_SFDP },
 	{ "mx66l1g55g",  INFO(0xc2261b, 0, 64 * 1024, 2048)
 		NO_SFDP_FLAGS(SPI_NOR_QUAD_READ) },
 	{ "mx66u2g45g",	 INFO(0xc2253c, 0, 64 * 1024, 4096)
-- 
2.34.1