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

[Sean Anderson]

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.

--Sean

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