From nobody Tue Dec 2 02:17:42 2025 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (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 588AB3064A3; Thu, 20 Nov 2025 20:56:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763672177; cv=none; b=F+4Xl3XJxgfQrZdkPyMWLn3jkmegfCXXC9VTmTyFxsovrarYC/DK/Tcd+riK6AVaCL2Ht1l3eStJbG/tuFZ+B+/Z6nroCn7QkmNoVIKnAgl459NJ7bwTd0uXiaaROO2l0mrk3+n8dCHtMbGs10k1mMP3C1awiXvDXLrY2nrOm5I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763672177; c=relaxed/simple; bh=jxA5jlW4L1kXG64MdapWoWEFhI8/sWrRMrBcoL9gL2A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hSOFCWmStDWGyox5CZ0j+b2Qtuzbudw2zkBT4fnPz2iV12L+P5OWsl29FzAzbSypk1znrj9bdp54+8H6XzYk7PBNvWphJlFpPASEJncegtIop00BCPWZVoY4AoBW6205pVJ4QafVBqJ/qdAIJC5TBEcW/dD50G/hoXVYEE1gFBE= 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=F7orXe+w; arc=none smtp.client-ip=185.171.202.116 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="F7orXe+w" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id AB10DC111AC; Thu, 20 Nov 2025 20:55:51 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 07232606F6; Thu, 20 Nov 2025 20:56:14 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 86AB710371BC1; Thu, 20 Nov 2025 21:56:09 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1763672172; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=uIAXwEdg0d4MmgTZP1ulCjwLYFQ+33UFGD9u1cTHZGc=; b=F7orXe+wufXZZNtLCYeFPm1ecjfzChVYYLKxF90LWDA0q5V+CSILqLZer2mRFvDM/c1Ywc SU7M32tDQm1NBf0nClzmQIh4rFS58R7Rn1iLVSTmvO1JXt185bTSIrerhdJie5ni5fAQbt rsw1tp0zX1udVMEV6w34mQPSPiLafWWVzBgIfR/kdXx/uGYNxLH6tr+X7C1T/d9bOmdJn6 PBmo2B7Axc6YAeYxw3YLdz9kfVAS3ZIttTQotjfmyzI7T00CuUC96Biq0K1p7LPE0qUO69 6+qBlr66HxzBBVbbGVGWZ24p/KzUi7uo3+CDONhFT8khsbt9PDk11ACCGq4nUA== From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , =?UTF-8?q?K=C3=B6ry=20Maincent?= , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Oleksij Rempel , =?UTF-8?q?Nicol=C3=B2=20Veronese?= , Simon Horman , mwojtas@chromium.org, Antoine Tenart , devicetree@vger.kernel.org, Conor Dooley , Krzysztof Kozlowski , Rob Herring , Romain Gantois , Daniel Golle , Dimitri Fedrau , Tariq Toukan Subject: [PATCH net-next v18 14/15] net: phy: dp83822: Add SFP support through the phy_port interface Date: Thu, 20 Nov 2025 21:55:04 +0100 Message-ID: <20251120205508.553909-15-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251120205508.553909-1-maxime.chevallier@bootlin.com> References: <20251120205508.553909-1-maxime.chevallier@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" The DP83822 can support 100BaseFX. This mode was only accessible through custom DT properties, but there also exist SFP modules that support these modes. As this only requires setting the relevant supported interface in the driver, expose the port capability with the new phy_port API, allowing SFP support. Reviewed-by: Christophe Leroy Reviewed-by: Andrew Lunn Tested-by: Christophe Leroy Signed-off-by: Maxime Chevallier --- drivers/net/phy/dp83822.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index c012dfab3171..f31b6d974d22 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -979,6 +979,13 @@ static int dp83822_attach_mdi_port(struct phy_device *= phydev, } } =20 + /* If attached from SFP, is_mii is set, but not the mediums. */ + if (port->is_mii) + dp83822->fx_enabled =3D true; + + if (dp83822->fx_enabled) + __set_bit(PHY_INTERFACE_MODE_100BASEX, port->interfaces); + return 0; } =20 --=20 2.49.0