From: Alexandre TORGUE <alexandre.torgue@foss.st.com>
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>,
"Jérôme Pouiller" <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>
Subject: Re: [PATCH v1] ARM: dts: stm32: prtt1c: Add PoDL PSE regulator nodes
Date: Tue, 11 Jul 2023 14:36:11 +0200 [thread overview]
Message-ID: <6fa4ea12-bc7d-4977-8b7e-bfbea2ef2955@foss.st.com> (raw)
In-Reply-To: <20230323123242.3763673-1-o.rempel@pengutronix.de>
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
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prev parent reply other threads:[~2023-07-11 12:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-23 12:32 [PATCH v1] ARM: dts: stm32: prtt1c: Add PoDL PSE regulator nodes Oleksij Rempel
2023-03-28 9:58 ` Alexandre TORGUE
2023-03-28 11:02 ` Oleksij Rempel
2023-04-03 7:48 ` Alexandre TORGUE
2023-07-11 12:36 ` Alexandre TORGUE [this message]
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