[PATCH 0/3] Add quad mode support for QPIC SNAND
From: Md Sadre Alam
Date: Thu Jul 16 2026 - 01:28:04 EST
The Qualcomm QPIC SPI-NAND controller supports both single (x1) and
quad (x4) transfer modes, however the current driver operates only in
single-bit mode. This series adds support for quad data transfers and
includes a vendor-specific fix required for Macronix SPI-NAND devices.
Signed-off-by: Md Sadre Alam <mdalam@xxxxxxxxxxxxxxxx>
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Md Sadre Alam (3):
spi: spi-qpic-snand: move command mapping helper
spi: spi-qpic-snand: add quad mode support
spi: spi-qpic-snand: Handle Macronix quad read opcode 0x6b
drivers/spi/spi-qpic-snand.c | 155 ++++++++++++++++++++++++++++---------------
1 file changed, 103 insertions(+), 52 deletions(-)
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base-commit: 19827e7930a5511c68e12aac6e4522f3661a1709
change-id: 20260716-quad-ec2765317214
Best regards,
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Md Sadre Alam <mdalam@xxxxxxxxxxxxxxxx>