[PATCH v2] mtd: spi-nor: winbond: add support for W25Q512NW-IQ

Michael Walle michael at walle.cc
Thu Jul 14 00:37:09 PDT 2022


Hi,

thanks for the update.

Am 2022-07-13 23:12, schrieb Jae Hyun Yoo:
> Add support for Winbond W25Q512NW-IQ/IN
> 
> Signed-off-by: Jae Hyun Yoo <quic_jaehyoo at quicinc.com>
> Link: 
> https://www.winbond.com/resource-files/W25Q512NW%20RevB%2007192021.pdf
> Reviewed-by: Cédric Le Goater <clg at kaod.org>
> ---
> Changes in v2:
>  * Refined commit message (Michael)
> 
> Test result on AST2600 SoC's SPI controller:
> $ cat
> /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/jedec_id
> ef6020
> 
> $ cat
> /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/manufacturer
> winbond
> 
> $ cat
> /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/partname
> w25q512nwq
> 
> $ hexdump
> /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/sfdp
> 0000000 4653 5044 0106 ff01 0600 1001 0080 ff00
> 0000010 0084 0201 00d0 ff00 ffff ffff ffff ffff
> 0000020 ffff ffff ffff ffff ffff ffff ffff ffff
> *
> 0000080 20e5 fffb ffff 1fff eb44 6b08 3b08 bb42
> 0000090 fffe ffff ffff 0000 ffff eb40 200c 520f
> 00000a0 d810 0000 0233 00a6 e781 d914 63e9 3376
> 00000b0 757a 757a bdf7 5cd5 f719 ff5d 70e9 a5f9
> 00000c0 ffff ffff ffff ffff ffff ffff ffff ffff
> 00000d0 0aff fff0 ff21 ffdc
> 00000d8

md5sum of this file is missing.

For the record: there is still an ongoing discussion on the v1 of
this patch.

-michael



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