linux-kernel - [PATCH 2/2] mtd: spi-nor: micron-st: add support for mt25ql01g and mt25qu01g

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Date:   Fri, 23 Jul 2021 13:27:48 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Michael Walle <michael@...le.cc>,
        Pratyush Yadav <p.yadav@...com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>
Cc:     linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH 2/2] mtd: spi-nor: micron-st: add support for mt25ql01g and mt25qu01g

Split these mt25q models from the older n25q models by matching their
extended IDs to allow adding support for 4byte opcodes.

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.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 d5baa8762c8d..2fca5de2504f 100644
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -172,11 +172,17 @@ static const struct flash_info st_parts[] = {
 			      SECT_4K | USE_FSR | SPI_NOR_QUAD_READ |
 			      SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB |
 			      SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6) },
+	{ "mt25ql01g",   INFO6(0x20ba21, 0x104400, 64 * 1024, 2048,
+			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
+			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
 	{ "n25q00",      INFO(0x20ba21, 0, 64 * 1024, 2048,
 			      SECT_4K | USE_FSR | SPI_NOR_QUAD_READ |
 			      SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB |
 			      SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6 |
 			      NO_CHIP_ERASE) },
+	{ "mt25qu01g",   INFO6(0x20bb21, 0x104400, 64 * 1024, 2048,
+			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
+			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
 	{ "n25q00a",     INFO(0x20bb21, 0, 64 * 1024, 2048,
 			      SECT_4K | USE_FSR | SPI_NOR_QUAD_READ |
 			      NO_CHIP_ERASE) },
-- 
2.17.1