From nobody Fri Dec 19 17:27:08 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 ECEDF3148D5; Thu, 6 Nov 2025 09:48:48 +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=1762422530; cv=none; b=B+1vdvt0i+5v4VMIGJO5w4u4nDupYwYDhb89hOK/QGbcknjhA/jHLanNtFSoeA1v+r/P3Q0jTVROqAoyiAlUt2whDbwXabAVUuVjg1gfGWLUUyvNXSy8n4j8UjrtHbd1ZItf8ArTxVs8xUdlA2t/R4/bfKCQV//lVO/LP7Q2Q8s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762422530; c=relaxed/simple; bh=9NlM1Bn14f7wxaJKHpS5BCVRp0TeER0/UFu0cVmExXc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AVxNTOuCeRby0Yu0wm/WsHl91REt2PqJ2/v6DdXMnf/p8c/Ld0Eaf8mE/vOiPyR56ewUTpq3g3pqW0LRubBQ4CDwEZrLY2ICWjyftiq0xMpD+oXStPhnL3Meyw3e5S7o9Ib5ZuotlqzPLSKYiyemFSWTet8mevdR4UbDTUmShw4= 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=Rm90rUTX; 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="Rm90rUTX" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 99F16C0FA88; Thu, 6 Nov 2025 09:48:26 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id A54256068C; Thu, 6 Nov 2025 09:48:47 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 92F421185081C; Thu, 6 Nov 2025 10:48:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1762422526; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=fmp4wafkdiIV9RPs6myiZuo5+ItcdF0jCaL0ZPt2pEA=; b=Rm90rUTXX/a/59DoOes3+Lj/wxongYZRRILzvl7nInUjluEJggIQIoguqdsC8JeMkOUmnX zoskFk6tzeRr8hHwE3r0XfWsnXJ2r35RYH6enGZPdNpVtd/bDdbnnI+xcRB4QamkkMwZwl DMclHXBOyf/hAfwrg9h3vWk1w60ECGHoKYwqgSmqO0JYWGiFpVj49USxepX2KT4bB8iGxe 6E9bThX8fS6OYDkIiF6KXusJKFvZFdF2vxeSPgkElfwSoUtQkIAcMyS4lB5WSRGhi8qZFJ rAxCyCWujyn0S0o6UI++qdFVPLJJ2gKGgNC/C1UASaexq7Qo0iyTczJmHJGKVg== 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 Subject: [PATCH net-next v15 14/15] net: phy: dp83822: Add SFP support through the phy_port interface Date: Thu, 6 Nov 2025 10:47:39 +0100 Message-ID: <20251106094742.2104099-15-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251106094742.2104099-1-maxime.chevallier@bootlin.com> References: <20251106094742.2104099-1-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 Signed-off-by: Maxime Chevallier Reviewed-by: Andrew Lunn --- 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