Re: [PATCH 00/16] i3c: aspeed: Add I3C support

[Jeremy Kerr]

Hi Cédric,

> > Isn't this the designware i3c ip block, and as such could we name
> > it so? 
> 
> Currently, QEMU only has a model for a dummy Aspeed I3C variant so
> this is a great addition.

[...]

> According to recent work on the kernel, it is indeed based on
> designware I3C :
>   
> https://lore.kernel.org/all/20230331091501.3800299-1-jk@codeconstruct.com.au/
> 
> Jeremy, how different is it ? Could we introduce properties or sub
> classes, to support both.

The differences (at least from the view of the current Linux driver
implementation) are very minor; unless we want to be errata-compatible,
you could use the dw driver directly, plus the ast2600-specific global
register space.

Cheers,


Jeremy