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From: Haibo Chen <haibo.chen@nxp.com>
To: Tudor Ambarus <tudor.ambarus@linaro.org>,
	 Pratyush Yadav <pratyush@kernel.org>,
	Michael Walle <mwalle@kernel.org>,
	 Miquel Raynal <miquel.raynal@bootlin.com>,
	 Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	 Haibo Chen <haibo.chen@nxp.com>,
	imx@lists.linux.dev
Subject: [PATCH v3 5/5] mtd: spi-nor: micron-st: add comment for mt35xu02gcba
Date: Wed, 12 Nov 2025 14:48:08 +0800	[thread overview]
Message-ID: <20251112-nor-v3-5-20aaff727c7d@nxp.com> (raw)
In-Reply-To: <20251112-nor-v3-0-20aaff727c7d@nxp.com>

mt35xu02gcba is similar with mt35xu01gbba, but with four
dies inside. According to datasheet, it contain SFDP and
support 8D-8D-8D mode. Add comments here, remider to change
the code in future if has a chance to test on this chip.

Link: https://datasheet.octopart.com/MT35XU02GCBA1G12-0AAT-Micron-datasheet-138896808.pdf
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 drivers/mtd/spi-nor/micron-st.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c
index 6d081ec176c37249e5ddb724b61bd70f68088163..cc053b4d615ade3f12068618f8355779561dce55 100644
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -206,6 +206,12 @@ static const struct flash_info micron_nor_parts[] = {
 		.fixup_flags = SPI_NOR_IO_MODE_EN_VOLATILE,
 		.fixups = &mt35xu01gbba_fixups,
 	}, {
+		/*
+		 * MT35XU02GCBA contain SFDP, so no need the size
+		 * and no_sfdp_flags here, should similar with
+		 * MT35XU01GBBA, but with 4 dies. If someone can
+		 * test on this chip, can change accordingly.
+		 */
 		.id = SNOR_ID(0x2c, 0x5b, 0x1c),
 		.name = "mt35xu02g",
 		.sector_size = SZ_128K,

-- 
2.34.1


  parent reply	other threads:[~2025-11-12  6:48 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-12  6:48 [PATCH v3 0/5] mtd: spi-nor: micron-st: few clean up for micron spi nor chip Haibo Chen
2025-11-12  6:48 ` [PATCH v3 1/5] mtd: spi-nor: micron-st: rename the die_late_init functions Haibo Chen
2025-11-12  6:48 ` [PATCH v3 2/5] mtd: spi-nor: micron-st: move set_octal_dtr to late_init() Haibo Chen
2025-11-12  9:01   ` Tudor Ambarus
2025-11-12  6:48 ` [PATCH v3 3/5] mtd: spi-nor: micron-st: use SFDP of mt35xu512aba Haibo Chen
2025-11-12  9:05   ` Tudor Ambarus
2025-11-12  6:48 ` [PATCH v3 4/5] mtd: spi-nor: micron-st: add mt35xu01gbba support Haibo Chen
2025-11-12  9:07   ` Tudor Ambarus
2025-11-12  6:48 ` Haibo Chen [this message]
2025-11-12  9:21   ` [PATCH v3 5/5] mtd: spi-nor: micron-st: add comment for mt35xu02gcba Tudor Ambarus
2025-11-12  9:22     ` Tudor Ambarus

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