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Date:   Tue, 11 Jul 2023 14:36:11 +0200
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Subject: Re: [PATCH v1] ARM: dts: stm32: prtt1c: Add PoDL PSE regulator nodes
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To:     Oleksij Rempel <o.rempel@pengutronix.de>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk+dt@kernel.org>,
        =?UTF-8?B?SsOpcsO0bWUgUG91aWxsZXI=?= <jerome.pouiller@silabs.com>
CC:     <kernel@pengutronix.de>, <linux-kernel@vger.kernel.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <devicetree@vger.kernel.org>, <netdev@vger.kernel.org>
References: <20230323123242.3763673-1-o.rempel@pengutronix.de>
From:   Alexandre TORGUE <alexandre.torgue@foss.st.com>
In-Reply-To: <20230323123242.3763673-1-o.rempel@pengutronix.de>
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Hi Oleksij

On 3/23/23 13:32, Oleksij Rempel wrote:
> This commit introduces Power over Data Line (PoDL) Power Source
> Equipment (PSE) regulator nodes to the PRTT1C devicetree. The addition
> of these nodes enables support for PoDL in PRTT1C devices, allowing
> power delivery and data transmission over a single twisted pair.
> 
> The new PoDL PSE regulator nodes provide voltage capability information
> of the current board design, which can be used as a hint for system
> administrators when configuring and managing power settings. This
> update enhances the versatility and simplifies the power management of
> PRTT1C devices while ensuring compatibility with connected Powered
> Devices (PDs).
> 
> After applying this patch, the power delivery can be controlled from
> user space with a patched [1] ethtool version using the following commands:
>    ethtool --set-pse t1l2 podl-pse-admin-control enable
> to enable power delivery, and
>    ethtool --show-pse t1l2
> to display the PoDL PSE settings.
> 
> By integrating PoDL PSE support into the PRTT1C devicetree, users can
> benefit from streamlined power and data connections in their
> deployments, improving overall system efficiency and reducing cabling
> complexity.
> 
> [1] https://lore.kernel.org/all/20230317093024.1051999-1-o.rempel@pengutronix.de/
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---

Applied on stm32-next.

cheers
Alex