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From: "Ing. Josua Mayer" <josua.mayer@jm0.eu>
To: Jayesh Choudhary <j-choudhary@ti.com>,
	vigneshr@ti.com, andi.shyti@kernel.org, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org,
	linux-kernel@vger.kernel.org
Cc: aaro.koskinen@iki.fi, andreas@kemnade.info, khilman@baylibre.com,
	rogerq@kernel.org, tony@atomide.com, jmkrzyszt@gmail.com,
	linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: i2c: omap: Add mux-states property
Date: Tue, 18 Mar 2025 20:55:11 +0100	[thread overview]
Message-ID: <59651605-45fa-49d7-bb15-dae83d8ad471@jm0.eu> (raw)
In-Reply-To: <20250318103622.29979-2-j-choudhary@ti.com>

Hi Jayesh,

Am 18.03.25 um 11:36 schrieb Jayesh Choudhary:
> Add mux controller support for when the I2C lines are muxed after
> signals come out of SoC and before they go to any client.
> 
> Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
> ---
>   Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml | 6 ++++++
>   1 file changed, 6 insertions(+)

Is there any chance for this to be generic across any i2c controller
regardless of SoC in use?
Is this perhaps also generic to any device in dts,
similar to assigned-clocks?

E.g. in k3-am642-hummingboard-t-{pcie,usb3}.dts we have a mux on the 
carrier board switching a serdes lane between two different connectors.
It would make sense for pcie and usb phy nodes to delay probe in a 
similar fashion.
The same may hold true for other buses muxed at boot-time or based on 
assembly options or extension cards.

sincerely
Josua Mayer

  reply	other threads:[~2025-03-18 19:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-18 10:36 [PATCH 0/2] Add support for setting MUX for I2C lines Jayesh Choudhary
2025-03-18 10:36 ` [PATCH 1/2] dt-bindings: i2c: omap: Add mux-states property Jayesh Choudhary
2025-03-18 19:55   ` Ing. Josua Mayer [this message]
2025-03-18 22:18     ` Rob Herring
2025-03-19 11:32       ` Andreas Kemnade
2025-03-18 22:19   ` Rob Herring
2025-03-18 10:36 ` [PATCH 2/2] i2c: omap: Add support for setting mux Jayesh Choudhary
2025-03-19 10:11 ` [PATCH 0/2] Add support for setting MUX for I2C lines Andi Shyti

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