Re: [PATCH v3] i3c: master: support to adjust first broadcast address speed

[Frank Li]

On Mon, Aug 26, 2024 at 10:13:23AM +0200, Miquel Raynal wrote:
> Hi Carlos,
>
> carlos.song@xxxxxxx wrote on Mon, 26 Aug 2024 13:09:57 +0800:
>
> > From: Carlos Song <carlos.song@xxxxxxx>
> >
> > According to I3C spec 6.2 Timing Specification, the Open Drain High Period
> > of SCL Clock timing for first broadcast address should be adjusted to 200ns
> > at least. I3C device working as i2c device will see the broadcast to close
> > its Spike Filter then change to work at I3C mode. After that I3C open drain
> > SCL high level should be adjusted back.
> >
> > Signed-off-by: Carlos Song <carlos.song@xxxxxxx>
> > Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
>
> Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
>
> Frank, did you test it with eg. the Silvaco master?

This problem only existed on one board with specific i2c devices. I have
not such boards in hand. Carlos work closely with me and tested by our test
team.

Frank

>
> Thanks,
> Miquèl