From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (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 2E869289839; Wed, 7 May 2025 14:17:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746627464; cv=none; b=azjWyjwGrGEUfF9VTZiKBteoR2SsY197zuQfe0TSdZ3KarDgGlzVYnX0d1lSPcxeJkr2VFO3eY8Gq9VuDkayPIskJubaeuEdCuRiqWz8403mI7W51xeDY+AJfEFCrqvtcwG1P39RLzmhSy/j3jO+pLnwJYWtSxD8N7mSnlJL42A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746627464; c=relaxed/simple; bh=PtB5Usi8xLaJmNGDACycIzyHJbkLqaznxmbCpeinUIk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=O+c4ulPne4CBL5wCTCLKKrux7cetiJXtSkYMnSKBCEObU0Pd/3OXVo8isVMwrwQwco47LHbsIA3DG1+ZEcbJluN5vo5eJQkf7RHC5ap4xfgGnURGXSRKCiJwZM4/9tDLl72FuyYt4IZQWtvlHlE+Ykf5Jr51KneifxzILAyUNqo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=lkIbSxKq; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="lkIbSxKq" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=riPhI6Eapns1oW9Gn4OqspYK1Wq/yqbnDVBWZAn6+N8=; b=lkIbSxKqLABQ9AeH01kNU+Ma68 D2Qc2irMyCeY79HtU6uyKbwy9YC2uBNN6XuJkfxzXiF7IXvaz7ddDFy4VlqK9JaYSN7o/mA9LEiM0 JO6jfOniUqp8quI+9Z7OjGhmrJgow+qL/essHLdqatkcyaSOh/DLqaGSqaMfs1waDT08=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1uCfac-00BtMw-8e; Wed, 07 May 2025 16:17:38 +0200 Date: Wed, 7 May 2025 16:17:38 +0200 From: Andrew Lunn To: Wasim Nazir Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, kernel@quicinc.com, kernel@oss.qualcomm.com Subject: Re: [PATCH 0/8] qcom: Refactor sa8775p/qcs9100 based ride boards Message-ID: References: <20250507065116.353114-1-quic_wasimn@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250507065116.353114-1-quic_wasimn@quicinc.com> > Ethernet card: > - There are two variants of ethernet card each with different capabilities: > - [Ethernet-v1] card contains: > - 2x 1G RGMII phy, 2x 1G SGMII phy(enabled currently) > - Total 4 phy supported, only 2 phy are enabled and it is used in ride. > - [Ethernet-v2] card contains: > - 2x 1G RGMII phy, 2x 2.5G HSGMII(enabled currently) & 10G PCIe > based MAC+PHY controller > - Total 5 phy supported, only 2 phy are enabled and it is used > in ride-r3. > - Either [Ethernet-v1] or [Ethernet-v2] is connected to backplain > board via B2B connector. Is it possible to identify the card, e.g. does it have an I2C EEPROM, or some strapping resistors on the B2B bus? I'm just wondering if DT overlays would be a better solution. Andrew