Re: [PATCH v3 1/2] ns16550: add support for WCH CH382 serial adapters

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Mon, 11 May 2026, Jiaqing Zhao wrote:
> Add support for the WCH (Nanjing Qinheng Microelectronics Co., Ltd.)
> CH382 PCIe dual port serial adapter. The CH382 is available in two
> variants:
>  - CH382 2S   [1c00:3253]: 2 serial ports
>  - CH382 2S1P [1c00:3250]: 2 serial ports + 1 parallel port
> 
> This chip uses IO BAR0, base baud rate 115200, ports starting at offset
> 0xc0 and spaced 8 bytes apart, and a 256-byte FIFO. [1]
> 
> [1] https://www.wch-ic.com/downloads/CH382DS1_PDF.html
> 
> Signed-off-by: Jiaqing Zhao <Zhao.Jiaqing@xxxxxxx>
> Reviewed-by: Denis Mukhin <dmukhin@xxxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>