There are infineon flashes [1] that require 8 dummy cycles for the 1-1-1 Read ID command. Since the command is not covered by JESD216 or any other standard, introduce an optional "rdid-dummy-ncycles" DT property to allow flashes to be correctly identified. Add support for CYRS17B512. Link: https://www.infineon.com/dgdl/Infineon-CYRS17B512_512_MB_64_MB_SERIAL_NOR_FLASH_SPI_QSPI_3-DataSheet-v07_00-EN.pdf?fileId=8ac78c8c8fc2dd9c01900eee733d45f3 [1] Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@xxxxxxxxxxxx> --- Takahiro Kuwano (3): dt-bindings: mtd: jedec,spi-nor: add optional rdid-dummy-ncycles mtd: spi-nor: use rdid-dummy-ncycles DT property mtd: spi-nor: spansion: add support for CYRS17B512 .../devicetree/bindings/mtd/jedec,spi-nor.yaml | 6 ++++++ drivers/mtd/spi-nor/core.c | 9 ++++++++- drivers/mtd/spi-nor/spansion.c | 17 +++++++++++++++++ 3 files changed, 31 insertions(+), 1 deletion(-) --- base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b change-id: 20250214-snor-rdid-dummy-ncycles-73575ecc7b8d Best regards, -- Takahiro Kuwano <Takahiro.Kuwano@xxxxxxxxxxxx>
