From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from polaris.svanheule.net (polaris.svanheule.net [84.16.241.116]) (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 3FF4B4CA769 for ; Sun, 18 Oct 2026 16:22:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=84.16.241.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792340553; cv=none; b=METFWHVJFMceQam3+cg8Z9yBr2vDmrKjysCOB0zsfHC9ycY585wm3YF6xuVnf0n0JWiXSPT/lszl3qjQgDjhAramQoDlBFBGUFKH3RF5/tox+MsolTutdn7eU7t+zvsPm7rqMf2Z2ZBHhfTZiQ6z2UBjGHG2KVThFUn/8ceDnjk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792340553; c=relaxed/simple; bh=3H4IscU/TXX2mp9uO9toIfgWvRJ0vS30N+G82TUQx/8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=p2g8A7BJa0Aw0gR6EtJv1w8U7cfe+KL/roa4Qukbup0Gl4MjMIFK/GbZVRKbX+8Op1XkcHiJhrN+aerYFMkB4bWgDkqhbeueonP+cZJlw/dXsh8IyGvAgrxHfzVnluZbrqU5xzVFGz4I1SeskeZqIyapOSIP8ajAGuHmHSdTqEI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=svanheule.net; spf=pass smtp.mailfrom=svanheule.net; dkim=pass (2048-bit key) header.d=svanheule.net header.i=@svanheule.net header.b=1YFhKwGi; arc=none smtp.client-ip=84.16.241.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=svanheule.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=svanheule.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=svanheule.net header.i=@svanheule.net header.b="1YFhKwGi" Received: from terra.vega.svanheule.net (2a02-1812-1620-5d00-3535-4149-dfc3-da80.ip6.access.telenet.be [IPv6:2a02:1812:1620:5d00:3535:4149:dfc3:da80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sander@svanheule.net) by polaris.svanheule.net (Postfix) with ESMTPSA id 9DFE7955C9E; Sun, 18 Oct 2026 18:13:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=svanheule.net; s=mail1707; t=1792339986; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=bd8yAyBoc0oE9NlFGWjwmYkR6VMH6Mg95VbMEB+tYYM=; b=1YFhKwGiX3DcFJ3rfLm6nvaX4lO2OO086pYIqV/GFrWOga+QeO4q3SAq9RVAr8HeuWuEM7 J895FIdJwuO8blXNXv4QS+k8BsFbvkWoHKt5Gn66KWHDRqNEX/FIARimlsM5zoqvvI9fXF +piJzG0/yMLpEGR9HsLPZ9yTxRKiu44ldNzfs4xHmhqgJcTcUgKK6NhibH+3onVf/O3PSb w5rav2FuBI1jNWMNjdL6ejMIL+Sxaa+Bf93KPfHZ4CJARVsILh/3cO1CHzP2CQ6qUpLcZp nQuUVs1i1pufA00E0vwY2g8Qvk3N1YhBm6YngVcanQLoYXmHBKIVksIC1wsopA== From: Sander Vanheule To: Jonas Jelonek , Oleksij Rempel , Kory Maincent , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sander Vanheule Subject: [PATCH net-next 0/2] net: pse-pd: Plain I2C transport for Realtek Gen1 Date: Sun, 18 Oct 2026 18:12:46 +0200 Message-ID: <20261018161248.376205-1-sander@svanheule.net> X-Mailer: git-send-email 2.56.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit While for the Gen2 protocol both a plain I2C transport and an SMBus transport were provided, Gen1 only got SMBus. The Unifi Switch Lite 16 PoE uses the Gen1 protocol to manage a single BCM59121, but does to using plain I2C. These patches simply add a new compatible for the plain I2C transport and the associated match data. This is sufficient to let the existing code talk to the management MCU. Sander Vanheule (2): dt-bindings: net: pse-pd: realtek,pse: add gen1 I2C transport net: pse-pd: realtek-pse-mcu: add gen1 I2C transport .../bindings/net/pse-pd/realtek,pse-mcu-gen1.yaml | 7 +++++++ drivers/net/pse-pd/realtek-pse-mcu-core.c | 8 +++++++- drivers/net/pse-pd/realtek-pse-mcu-i2c.c | 1 + drivers/net/pse-pd/realtek-pse-mcu.h | 1 + 4 files changed, 16 insertions(+), 1 deletion(-) -- 2.56.0