[PATCH v2 00/14] spi: dw: Add support for DUAL/QUAD/OCTAL modes

[Sean Anderson]

On 2/26/21 3:00 PM, Sean Anderson wrote:
> On 2/26/21 5:25 AM, Jagan Teki wrote:
>> On Fri, Feb 5, 2021 at 9:41 AM Sean Anderson <seanga2 at gmail.com> wrote:
>>>
>>> This series adds support for enhanced SPI modes. It was tested on a K210 (DWC
>>> SSI with QSPI flash).
>>>
>>> If anyone has a designware device with QSPI flash attached (especially a DW SSI
>>> APB device), I'd greatly appreciate them testing out this patch series.
>>>
>>> Many of the earlier patches in this series are general fixups and can be split
>>> off/merged separately if desired.
>>>
>>> Changes in v2:
>>> - Add more information to exec_op debug message
>>> - Actually mask interrupts
>>> - Merge CAP_{DUAL,QUAD,OCTAL} into CAP_ENHANCED
>>> - Fix some inconsistencies in register naming and usage
>>> - Moved some hunks between commits so things make more sense
>>>
>>> Sean Anderson (14):
>>>    cmd: sf: Display errno on erase failure
>>>    cmd: sf: Print error on test failure
>>>    mtd: spi-nor-core: Fix typo in documentation
>>
>> Applied to u-boot-spi/master
>>
>>>    mtd: spi-mem: Export spi_mem_default_supports_op
>>>    spi: spi-mem: Add debug message for spi-mem ops
>>
>> Commented.
>>
>>>    spi: dw: Log status register on timeout
>>>    spi: dw: Actually mask interrupts
>>>    spi: dw: Switch to capabilities
>>>    spi: dw: Rewrite poll_transfer logic
>>>    spi: dw: Add ENHANCED cap
>>>    spi: dw: Define registers for enhanced mode
>>>    spi: dw: Support enhanced SPI
>>>    spi: dw: Support clock stretching
>>
>> Any testing on these? it's better to have an Ack from respective
>> driver authors or users. Once done, please send a series for dw-spi
>> patches.
> 
> +CC some people who have authored commits for this driver in the past.
> They probably should have been CC'd for the original series, but it
> looks like I forgot.

Ping Eugeniy, Ley Foon?

> 
> --Sean
> 
>>
>>>    riscv: k210: Enable QSPI for spi3
>>
>> I think Rick can pick this via risc-v tree.
>>
>> Jagan.
>>
>