From mboxrd@z Thu Jan 1 00:00:00 1970 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 1B8252FFF98; Mon, 10 Nov 2025 09:25:03 +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=1762766709; cv=none; b=aogiQQpWZ0J3fAoQ9+3C6Pd8KFweaZKb/XTvzIFBRR+wQ/eZzIO5V9SslalinJImq9uhKwMPt0S4qccJUxJOlekcfErPWkIUZ8RibkwlDgNKSI3TMlg1OlhQetqG2FlNWINADBj8WEdplmmXejXTcg/dFeQIiCE6n/q8RlT9eIk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762766709; c=relaxed/simple; bh=iUZ/Yx3AukzK6pJNmffYidpyX2g/uXSCest8qxWEuqc=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=nzCdVmoSuUpamdHO0z90vfk/nMI4LlRXFrOYys71bhxoQIr8M4WRqhybFf9oF+h5DDwSFzzw9MMzeQdUejT3v24/kWrFKr6MXVmebSxlGAL8RHKzB0i4z7cguXatLhHRYsv/Jgvz4+ZnTBCW8rmVJVkzD/kEBA2g77ntBK6FDzU= 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=UQMHZXOp; 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="UQMHZXOp" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 8F4C1C108E5; Mon, 10 Nov 2025 09:24:40 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id ED1AE606F5; Mon, 10 Nov 2025 09:25:01 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 43C21103718CD; Mon, 10 Nov 2025 10:24:56 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1762766701; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding; bh=2UjXNUAU7fR3oSw2iEJYC571sGcvg1zBexjhCxPzTys=; b=UQMHZXOpReBXvyFNfBv6U4tovBJdNrYDWQuOGjE7pe/xi/u+AE11n/wiFckZIprzy2+/SE PR48KLP4NvwtDZ38WWt8hTlyaQ3MhPuWDJmbNDQ93hthwVqd/SU1ZB02ylISlajaqTfszS yco9YZcGiJvg/lAaf1A+8RgE/65p0OpYJaI6oIOwHnDPh0azyjUsF1NerpswPubSUubXlM VZlaTL/pji2AXUkXTQaFOaOyslnTASbzd/cNm/20S/v2LJ5Fc/fpukAABRacpOvauG26Ox S+OsZF8KY83RI2cgHF3wqhUj6CoF/9aJY0348TSOCi7ApPx9/TK5qBW9KGcjeQ== From: Romain Gantois Subject: [PATCH net-next v2 0/3] net: phy: dp83869: Support 1000Base-X SFP Date: Mon, 10 Nov 2025 10:24:52 +0100 Message-Id: <20251110-sfp-1000basex-v2-0-dd5e8c1f5652@bootlin.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAGWvEWkC/12NQQqDMBBFryKz7pQZG6t05T2Ki5hOaqBNJAliE e/eIF11+Xj89zdIEp0kuFUbRFlccsEXqE8VmEn7p6B7FIaa6oaZLpjsjExEo06yoqbGtJ3qlG4 UlM0cxbr16N3BS0Yva4ahmMmlHOLnOFr48L+m+msujIRWXdlyS6ZV0o8h5JfzZxPeMOz7/gUIG 4yftgAAAA== X-Change-ID: 20251103-sfp-1000basex-a05c78484a54 To: Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Maxime Chevallier , Thomas Petazzoni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Romain Gantois X-Mailer: b4 0.14.3 X-Last-TLS-Session-Version: TLSv1.3 Hi everyone, This is version two of my series which adds support for using the DP83869 PHY as a transceiver between an RGMII upper MAC and a downstream 1000Base-X SFP module. Patch 1 and 2 of the series are necessary to get the PHY to properly switch its operating mode to RGMII<->1000Base-X when an SFP module is inserted. Patch 3 adds the actual SFP support, with only 1000Base-X modules supported for now. Side note: A wider-scoped series adding general SFP support to this PHY was sent some time ago, but was not pursued, mainly due to complications with SGMII support: https://lore.kernel.org/netdev/20250514-dp83869-1000basex-v1-0-1bdb3c9c3d63@bootlin.com/ Best Regards, Romain Signed-off-by: Romain Gantois --- Changes in v2: - Simplified module capability check. - Fixed unchecked return value in configure_mode(). - Link to v1: https://lore.kernel.org/r/20251104-sfp-1000basex-v1-0-f461f170c74e@bootlin.com --- Romain Gantois (3): net: phy: dp83869: Restart PHY when configuring mode net: phy: dp83869: ensure FORCE_LINK_GOOD is cleared net: phy: dp83869: Support 1000Base-X SFP drivers/net/phy/dp83869.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) --- base-commit: dd43cb8c0f1de74d7fa47913acbc2bc54672c6e0 change-id: 20251103-sfp-1000basex-a05c78484a54 Best regards, -- Romain Gantois