[PATCH v14 2/2] dmaengine: add driver for Sophgo CV18XX/SG200X dmamux

[Alexander Sverdlin]

Thanks for the patch, Inochi!

On Wed, 2025-06-11 at 16:09 +0800, Inochi Amaoto wrote:
> Sophgo CV18XX/SG200X use DW AXI CORE with a multiplexer for remapping
> its request lines. The multiplexer supports at most 8 request lines.
> 
> Add driver for Sophgo CV18XX/SG200X DMA multiplexer.
> 
> Signed-off-by: Inochi Amaoto <inochiama at gmail.com>

Successfully tested with USB series in host mode on Milk-V Duo Module 01 EVB:

Tested-by: Alexander Sverdlin <alexander.sverdlin at gmail.com>

> ---
>  drivers/dma/Kconfig          |   9 ++
>  drivers/dma/Makefile         |   1 +
>  drivers/dma/cv1800b-dmamux.c | 259 +++++++++++++++++++++++++++++++++++
>  3 files changed, 269 insertions(+)
>  create mode 100644 drivers/dma/cv1800b-dmamux.c

-- 
Alexander Sverdlin.