linux-kernel - [PATCH 2/3] mtd: spi-nor: Add GD25LB512ME GigaDevice flash

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Message-Id: <20250523-sfg-spifmc-v1-2-4cf16cf3fd2a@gmail.com>
Date: Fri, 23 May 2025 18:54:50 +0800
From: Zixian Zeng <sycamoremoon376@...il.com>
To: Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Pratyush Yadav <pratyush@...nel.org>, Michael Walle <mwalle@...nel.org>, 
 Miquel Raynal <miquel.raynal@...tlin.com>, 
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, 
 Chen Wang <unicorn_wang@...look.com>, Inochi Amaoto <inochiama@...il.com>, 
 Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Alexandre Ghiti <alex@...ti.fr>, Longbin Li <looong.bin@...il.com>
Cc: linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 sophgo@...ts.linux.dev, linux-spi@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 dlan@...too.org, ziyao@...root.org, Zixian Zeng <sycamoremoon376@...il.com>
Subject: [PATCH 2/3] mtd: spi-nor: Add GD25LB512ME GigaDevice flash_info

Add GD25LB512ME SPI-NOR flash information

Signed-off-by: Zixian Zeng <sycamoremoon376@...il.com>
---
 drivers/mtd/spi-nor/gigadevice.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/mtd/spi-nor/gigadevice.c b/drivers/mtd/spi-nor/gigadevice.c
index ef1edd0add70e6ca501620798a779d621d6bb00d..223b2f598ecd651ce8df6789dfbaf938c534f94f 100644
--- a/drivers/mtd/spi-nor/gigadevice.c
+++ b/drivers/mtd/spi-nor/gigadevice.c
@@ -33,6 +33,15 @@ static const struct spi_nor_fixups gd25q256_fixups = {
 	.post_bfpt = gd25q256_post_bfpt,
 };
 
+static void gd25lb512me_default_init(struct spi_nor *nor)
+{
+	nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
+}
+
+static const struct spi_nor_fixups gd25lb512me_fixups = {
+	.default_init = gd25lb512me_default_init,
+};
+
 static const struct flash_info gigadevice_nor_parts[] = {
 	{
 		.id = SNOR_ID(0xc8, 0x40, 0x15),
@@ -82,6 +91,14 @@ static const struct flash_info gigadevice_nor_parts[] = {
 		.size = SZ_16M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
 		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0xc8, 0x67, 0x1a),
+		.name = "gd25lb512me",
+		.size = SZ_64M,
+		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_QUAD_READ,
+		.fixups = &gd25lb512me_fixups,
+		.fixup_flags = SPI_NOR_4B_OPCODES,
 	},
 };
 

-- 
2.49.0