linux-kernel - Re: [PATCH v5 11/11] i2c: rtl9300: add support for RTL9310 I2C controller

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Message-ID: <13823964.uLZWGnKmhe@ripper>
Date: Sun, 10 Aug 2025 12:39:08 +0200
From: Sven Eckelmann <sven@...fation.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>,
 Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Jonas Jelonek <jelonek.jonas@...il.com>
Cc: linux-i2c@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Markus Stockhausen <markus.stockhausen@....de>,
 Harshal Gohel <hg@...onwunderlich.de>,
 Jonas Jelonek <jelonek.jonas@...il.com>
Subject:
 Re: [PATCH v5 11/11] i2c: rtl9300: add support for RTL9310 I2C controller

On Sunday, 10 August 2025 00:07:12 CEST Jonas Jelonek wrote:
> Add support for the internal I2C controllers of RTL9310 series based
> SoCs to the driver for RTL9300. Add register definitions, chip-specific
> functions and compatible strings for known RTL9310-based SoCs RTL9311,
> RTL9312 and RTL9313.
> 
> Make use of a new device tree property 'realtek,scl' which needs to be
> specified in case both or only the second master is used. This is
> required due how the register layout changed in contrast to RTL9300,
> which has SCL selection in a global register instead of a
> master-specific one.
> 
> Signed-off-by: Jonas Jelonek <jelonek.jonas@...il.com>

Tested-by: Sven Eckelmann <sven@...fation.org>

Tested the patchset on an RTL9312 device with both SFP modules and an POE MCU 
which requires I2C Block transfers (but not SMBus).

Regards,
	Sven
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