From nobody Thu Apr 9 17:58:38 2026 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3302636654B; Tue, 3 Mar 2026 13:54:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772546081; cv=none; b=gLx3bBUldZKp0tG7wNOEMI3823fbcrN2eYnKqQ+PWOitddX6y90h2lJ7QbOOlntec3tHxytEPtTAbVqM5MOFEoLIjW3WaqeOOB2RjEWPpcHyKH35mHxhwZlDxadtcxrz6lLYo2k/WzpQ+MNpFagnczVihtQmruCRZNnhtOj0e4s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772546081; c=relaxed/simple; bh=SMMr1PdcU/OF0EiAehRqWWuHFzTL+3hjgw3LMCb1gTo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FKxrjv4vBQbQyFjzfvnPKutH7KMlSWxbXTaR8Je54dWdl/iMn/FRIvYEoPUkQpqETs6ywVw2RM6OMknb1aKwIBsgrXM/5elIGfM4iCRkKHZMqIdpkXHgAlIKW3X3PG+M4+f9vM0DqYEL1tQcx/cWcuadseOY5+LiIYcW2SzLPgw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=Kp80WY9m; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="Kp80WY9m" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id C9F4A4E42500; Tue, 3 Mar 2026 13:54:36 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 9DCA15FF29; Tue, 3 Mar 2026 13:54:36 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3F2C2103696DA; Tue, 3 Mar 2026 14:54:34 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1772546075; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=tIAzdhsujhMcPbHTHBP9SpG8Mzlw5Ly5rGbW+sw5+Ww=; b=Kp80WY9mw07Du0z+vZQ4XxyWYiItSZww+0eroe07Q03DlcDZziTXVhKLeAABBAxLiLbreU 82COeyY2lenO17EmdLdEuPd+0TbYq/3yKBOyjT6dmb5n68/qqWpua2ZOdl71FBKGWOWhDa eOliQ5rNQooUDqAJwkpk9LJJsaMh3yAsGFQsDAhhUGZcUFC4HQCdZc2gHIZH+6YpShjrPa 0VwZ06A+8e/W1G2sbgOGljkv0ht+j/7ZmY+9OjpV2tQfeurEb0gUXi5/7kLEMNOxz973Uv qMC15a+u74tqKXlTPc4XAKUF73gBz48W9UrVB+rjA3RUkO7XOAt6c3fYpeCbeQ== From: Romain Gantois Date: Tue, 03 Mar 2026 14:54:26 +0100 Subject: [PATCH net-next 1/2] dt-bindings: net: sff,sfp: Describe power supply pins Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260303-sfp-regulators-v1-1-7101ae34cb84@bootlin.com> References: <20260303-sfp-regulators-v1-0-7101ae34cb84@bootlin.com> In-Reply-To: <20260303-sfp-regulators-v1-0-7101ae34cb84@bootlin.com> To: Russell King , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Lunn , Heiner Kallweit , Liam Girdwood , Mark Brown Cc: Maxime Chevallier , Thomas Petazzoni , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Romain Gantois X-Mailer: b4 0.14.3 X-Last-TLS-Session-Version: TLSv1.3 SFP cages and soldered-on SFF transceivers have two separate power supply pins: one for the transmitter circuit, and one for the receiver circuit. Describe these two pins and the regulators supplying them. Signed-off-by: Romain Gantois Acked-by: Conor Dooley --- Documentation/devicetree/bindings/net/sff,sfp.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/net/sff,sfp.yaml b/Documenta= tion/devicetree/bindings/net/sff,sfp.yaml index 15616ad737f57..95729cf694a7d 100644 --- a/Documentation/devicetree/bindings/net/sff,sfp.yaml +++ b/Documentation/devicetree/bindings/net/sff,sfp.yaml @@ -68,6 +68,14 @@ properties: output gpio signal (SFP+ only), low - low Tx rate, high - high Tx ra= te. Must not be present for SFF modules =20 + vccr-supply: + description: + Phandle to a regulator supplying the receiver power (AKA VccR) pin. + + vcct-supply: + description: + Phandle to a regulator supplying the transmitter power (AKA VccT) pi= n. + allOf: - if: properties: --=20 2.52.0 From nobody Thu Apr 9 17:58:38 2026 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 518CA367F27 for ; Tue, 3 Mar 2026 13:54:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772546083; cv=none; b=rcpaUIMyJqO2W4RdRrFSqOI9uJP2qW4B2LlgKGPm+PmPdMd06IokrzCDqHQYsTARHHw+GR2ZTsHTNtw+ymZEUJF9M1cFR/StHHEzADaxXXmQuNWO/r8TMlyqN7+95YijIVMHPvXAYdpCnDOR/vQ1TCMx0hZZUgn9X1+cZw/IIhI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772546083; c=relaxed/simple; bh=kREZyk51t/pc57Q7Omi8G1cdvAJLhFQE4zUug5/PuCk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=u1WZZQ1UgE2z5jZmkhAqMPqttgrF6C5O8/3mWg2GaUOFI0ZbZL1RZHZFfnhvX/slZbANXMbgb/BwlDspolVg6DHbVIG2FaixfKgi1fDMYq2PV+cRct5BjZ/yvaf2OBFeydoR3oPLYQv12X5SO7M4xJctMGNZw2HFMS8W9SbUEuc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=ArjcEI27; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="ArjcEI27" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id CDFF24E42502; Tue, 3 Mar 2026 13:54:38 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id A45175FF29; Tue, 3 Mar 2026 13:54:38 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 07880103696E4; Tue, 3 Mar 2026 14:54:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1772546077; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=bOKnk01pRviZLzaDWepX3/tqvs4TA97JeFVo66U4bvo=; b=ArjcEI27A2kjWXTzjqONKg56X9MOLf6vc5Rom6R7l6bibdyoet1H/9rM3Zy+8LpXt4ssUR AZVrJlm9ox4trCbtry40eQHxBVN1BN/DP5Sp86FNNnjwMQuv8kfh1kiZp+KO5S3YHWgJEJ SL/1Xfsoz3C92P+UUAKTgoDS8BGSd7q96kocMWFF4W8Aibvkh627esKwXMn6uswQMkoCLo 0FcYFOu8ogOQ3UxKg4W5olQUgBAhKzM/qRPrUMY2jgmiFfL078f+C3683MzP1Dgq9bQIuv oDlo22pTDQUC88et5V6XBuFBbCpKoJVQHcpZ5Ndu0esrbRUXCSFDXShWx6z+DQ== From: Romain Gantois Date: Tue, 03 Mar 2026 14:54:27 +0100 Subject: [PATCH net-next 2/2] net: sfp: manage receiver and transmitter regulators Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260303-sfp-regulators-v1-2-7101ae34cb84@bootlin.com> References: <20260303-sfp-regulators-v1-0-7101ae34cb84@bootlin.com> In-Reply-To: <20260303-sfp-regulators-v1-0-7101ae34cb84@bootlin.com> To: Russell King , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Lunn , Heiner Kallweit , Liam Girdwood , Mark Brown Cc: Maxime Chevallier , Thomas Petazzoni , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Romain Gantois X-Mailer: b4 0.14.3 X-Last-TLS-Session-Version: TLSv1.3 If phandles to receiver and/or transmitter regulators for an SFP device are found, enable them at probe time. Signed-off-by: Romain Gantois --- drivers/net/phy/sfp.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index f4bf53da3d4fd..602c166f60ddf 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -3095,6 +3096,14 @@ static int sfp_probe(struct platform_device *pdev) struct sfp *sfp; int err, i; =20 + err =3D devm_regulator_get_enable_optional(&pdev->dev, "vccr"); + if (err && err !=3D -ENODEV) + return err; + + err =3D devm_regulator_get_enable_optional(&pdev->dev, "vcct"); + if (err && err !=3D -ENODEV) + return err; + sfp =3D sfp_alloc(&pdev->dev); if (IS_ERR(sfp)) return PTR_ERR(sfp); --=20 2.52.0