From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 D8462246BA7 for ; Sun, 14 Dec 2025 20:42:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765744939; cv=none; b=QhS4KcAOgX2HmbS3gHKCL8xMZUySSCnOrZDisNragfiBoshuxjzV+5CsanNX1bW7Yy+SYdJIfOSHcqmVXJiT1Xvy7rTrYDNbS/yhmn+XosA30Xbqy4v6LhLevaHXVi21YNj14pApgsjRSAmUxSnwtl1TeStITmnOY158KGHeShY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765744939; c=relaxed/simple; bh=jEa658HLG0UG+Gha1cEfa5pm1E3PYVGVzZ3jVK5gWUQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dxq1UjJiRnTik5TaUroEoUlyD3sYxD7w670fZAfmD0EDVxuBduDb4A4kVKxmxwH15GcEZj4CPxodtaa85cHn1fX0LwYE6ttbQpHANduY2L7FmQCZgFMehSGu1qdTnj8+yOyY8EO/jUYjrRgO3B/e95QDq2jtrLOSJH3SPlyUUS4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=N+VtpiFe; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="N+VtpiFe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1765744936; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7dtrcaVLTNzNgFmQjfOcQvmiNkCId0/CKPWI6nsR8CY=; b=N+VtpiFesTTcp/VqlGBZ5DiC9dCAZ0AeDL+49ZSbF7PkRl0LXxRDx/tO6al0k7o4Ixb8TV UkkPRxEInVu0kJ+BuBhEXr+OOzimTxblm2TY2oxX5wLG9lrhKPe0BePu6cc89tijkV9yeK fe8hzBor3KbOZdyXYChARZVyBnaIz8Q= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-530-ZenklePwOjaeAwlmJE1OgQ-1; Sun, 14 Dec 2025 15:42:12 -0500 X-MC-Unique: ZenklePwOjaeAwlmJE1OgQ-1 X-Mimecast-MFC-AGG-ID: ZenklePwOjaeAwlmJE1OgQ_1765744929 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4A1331956063; Sun, 14 Dec 2025 20:42:08 +0000 (UTC) Received: from [10.45.224.53] (unknown [10.45.224.53]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1B170180045B; Sun, 14 Dec 2025 20:41:57 +0000 (UTC) Message-ID: <89eaccbb-bfcf-4dac-b7b7-f4259de75dd2@redhat.com> Date: Sun, 14 Dec 2025 21:41:53 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC net-next 01/13] dt-bindings: net: ethernet-controller: Add DPLL pin properties To: Andrew Lunn Cc: netdev@vger.kernel.org, Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vadim Fedorenko , Arkadiusz Kubalewski , Grzegorz Nitka , Jiri Pirko , Petr Oros , Michal Schmidt , Prathosh Satish , Tony Nguyen , Przemek Kitszel , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , Richard Cochran , Jonathan Lemon , Simon Horman , Alexander Lobakin , Willem de Bruijn , Stefan Wahren , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-rdma@vger.kernel.org References: <20251211194756.234043-1-ivecera@redhat.com> <20251211194756.234043-2-ivecera@redhat.com> <2de556f0-d7db-47f1-a59e-197f92f93d46@lunn.ch> Content-Language: en-US From: Ivan Vecera In-Reply-To: <2de556f0-d7db-47f1-a59e-197f92f93d46@lunn.ch> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 On 12/11/25 8:56 PM, Andrew Lunn wrote: > On Thu, Dec 11, 2025 at 08:47:44PM +0100, Ivan Vecera wrote: >> Ethernet controllers may be connected to DPLL (Digital Phase Locked Loop) >> pins for frequency synchronization purposes, such as in Synchronous >> Ethernet (SyncE) configurations. >> >> Add 'dpll-pins' and 'dpll-pin-names' properties to the generic >> ethernet-controller schema. This allows describing the physical >> connections between the Ethernet controller and the DPLL subsystem pins >> in the Device Tree, enabling drivers to request and manage these >> resources. > > Please include a .dts patch in the series which actually makes use of > these new properties. > > Andrew Hi Andy, I would include this but the development of this series was done on Microchip EVB-LAN9668 EDS2 development board [1] and its DTS is not present in upstream tree. The base DTS for this board is at vendor's github repo [2]. The second development environment was/is ACPI based Intel GNR-D platform and the goal is to use unified fwnode API so ACPI is providing _DSD nodes to specify dpll-pin-names and dpll-names properties. Ivan [1] https://www.microchip.com/en-us/development-tool/ev83e85a [2] https://github.com/microchip-ung/linux/blob/bsp-6.12-2025/arch/arm/boot/dts/microchip/lan966x-pcb8385.dts