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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: carlos.song@nxp.com
Cc: alexandre.belloni@bootlin.com, linux-i3c@lists.infradead.org,
	linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	linux-imx@nxp.com
Subject: Re: [PATCH v3] i3c: master: support to adjust first broadcast address speed
Date: Mon, 26 Aug 2024 10:13:23 +0200	[thread overview]
Message-ID: <20240826101323.746b617c@xps-13> (raw)
In-Reply-To: <20240826050957.1881563-1-carlos.song@nxp.com>

Hi Carlos,

carlos.song@nxp.com wrote on Mon, 26 Aug 2024 13:09:57 +0800:

> From: Carlos Song <carlos.song@nxp.com>
> 
> 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@nxp.com>
> Reviewed-by: Frank Li <Frank.Li@nxp.com>

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>

Frank, did you test it with eg. the Silvaco master?

Thanks,
Miquèl

WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: carlos.song@nxp.com
Cc: alexandre.belloni@bootlin.com, linux-i3c@lists.infradead.org,
	linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	linux-imx@nxp.com
Subject: Re: [PATCH v3] i3c: master: support to adjust first broadcast address speed
Date: Mon, 26 Aug 2024 10:13:23 +0200	[thread overview]
Message-ID: <20240826101323.746b617c@xps-13> (raw)
In-Reply-To: <20240826050957.1881563-1-carlos.song@nxp.com>

Hi Carlos,

carlos.song@nxp.com wrote on Mon, 26 Aug 2024 13:09:57 +0800:

> From: Carlos Song <carlos.song@nxp.com>
> 
> 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@nxp.com>
> Reviewed-by: Frank Li <Frank.Li@nxp.com>

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>

Frank, did you test it with eg. the Silvaco master?

Thanks,
Miquèl

-- 
linux-i3c mailing list
linux-i3c@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-i3c

  reply	other threads:[~2024-08-26  8:13 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-26  5:09 [PATCH v3] i3c: master: support to adjust first broadcast address speed carlos.song
2024-08-26  5:09 ` carlos.song
2024-08-26  8:13 ` Miquel Raynal [this message]
2024-08-26  8:13   ` Miquel Raynal
2024-08-26 16:04   ` Frank Li
2024-08-26 16:04     ` Frank Li
2024-08-26 16:35     ` Miquel Raynal
2024-08-26 16:35       ` Miquel Raynal
2024-09-04 19:07   ` Frank Li
2024-09-04 19:07     ` Frank Li
2024-09-05  1:47     ` Carlos Song

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