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

From: Miquel Raynal
Date: Mon Aug 26 2024 - 04:13:40 EST


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?

Thanks,
Miquèl