RE: [EXT] [PATCH v6 2/2] mtd: spi-nor: cadence-quadspi: Add support for Octal SPI controller

["Bean Huo (beanhuo)" <beanhuo@xxxxxxxxxx>]

Hi, Vignesh

>
>Cadence OSPI controller IP supports Octal IO (x8 IO lines), It also has an
>integrated PHY. IP register layout is very similar to existing QSPI IP except for
>additional bits to support Octal and Octal DDR mode. Therefore, extend
>current driver to support Octal mode. Only Octal SDR read (1-1-8)mode is
>supported for now.

Does this your Cadence OSPI controller support 8-8-8 IO mode, if yes,
Why not directly enable 8-8-8 mode? 

>Tested with mt35xu512aba Octal flash on TI's AM654 EVM.
>
>Signed-off-by: Vignesh R <vigneshr@xxxxxx>
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