[PATCH v7 6/7] mtd: spi-nor: add support for Macronix Octal flash with RWW feature

Tudor Ambarus tudor.ambarus at linaro.org
Fri Jan 12 00:42:53 PST 2024



On 12/21/23 09:07, Jaime Liao wrote:
> From: JaimeLiao <jaimeliao at mxic.com.tw>
> 
> Adding Macronix Octal flash for Octal DTR support.
> 
> The octaflash series can be divided into the following types:
> 
> MX25 series : Serial NOR Flash.
> MX66 series : Serial NOR Flash with stacked die.(Size larger than 1Gb)
> LM/UM series : Up to 250MHz clock frequency with both DTR/STR operation.
> LW/UW series : Support simultaneous Read-while-Write operation in multiple
>                bank architecture. Read-while-write feature which means read
>                data one bank while another bank is programing or erasing.
> 
> MX25LM : 3.0V Octal I/O
>  -https://www.mxic.com.tw/Lists/Datasheet/Attachments/8729/MX25LM51245G,%203V,%20512Mb,%20v1.1.pdf

Link: https://blabla just above your S-o-b tag
> 
> MX25UM : 1.8V Octal I/O
>  -https://www.mxic.com.tw/Lists/Datasheet/Attachments/8967/MX25UM51245G,%201.8V,%20512Mb,%20v1.5.pdf

Please split in 2 patches, one adding MX25{LM, UM} and the other adding
MX66{LM, UM}

Please read
https://www.kernel.org/doc/html/next/driver-api/mtd/spi-nor.html before
re-submitting, you missed the sanity mtd-utils tests.

ta



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