From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A4E89C433FE for ; Sun, 20 Nov 2022 23:43:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=SWi5OLLIV6I1Ydh1h8FwOBHCfC6RFEw+e65K88Gq6K8=; b=V6qDeCnTQBj+nj +Wfq1u3jT5bOspQskwpzzrLcAQDe/A7Plp82My1JAkukaxTd8LeoX7sc1BKbAcJv7YslC6pl8JP7z UEv1htOvRFRr5anoxPT8Spki4rmVzuUsGXXBuv7bNuMMG1BjUfMauuOVec0u44uZdFLRD+FHYRTf7 h5pfyR4lmtwkx50G1PNq4QBkxZTJ6jm6+bXRUo5tgk/OSs+tjKourF135mpf9AFOGNJpOBdQTwx22 OYDP2127atDdkLv1JiwE1LkmgtdnxUXF1F5ex17uUiadmYxyn5UbG72fIHuST850Oq3nE1WzaJKoo 8A9aowXB8x+m5r5DjJKg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1owtxb-007fwI-E7; Sun, 20 Nov 2022 23:42:51 +0000 Received: from vps0.lunn.ch ([156.67.10.101]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1owtxY-007fvj-7x for linux-arm-kernel@lists.infradead.org; Sun, 20 Nov 2022 23:42:49 +0000 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=3TiYJwh6WLGjngXJXq9QOuYOjjjU6e7ZQDDyVdCxrBc=; b=TaX2Qp5iJY8V4EU+rHut+AlB7T MVzcV4ldtP1TlXSubk9wVTIpULARgYL8V1zRrA+CqWAscYYVwjamNJduUKZUpgzmRuzZSM6vi6SNW hFWWV4EaqXSRmdRHEmjawx2/zRymExa8e+d+aHZatov+FCyGL2vdEiPhnDlUXjFZB3/w=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1owtx0-002xBP-NF; Mon, 21 Nov 2022 00:42:14 +0100 Date: Mon, 21 Nov 2022 00:42:14 +0100 From: Andrew Lunn To: Renze Nicolai Cc: Rob Herring , Krzysztof Kozlowski , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maxime Ripard , Andre Przywara , Conley Lee , krzysztof.kozlowski@linaro.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [PATCH 2/2] arm64: allwinner: a64: add device tree for SOPINE on Pine64 Clusterboard Message-ID: References: <3351526.aeNJFYEL58@werkpc> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3351526.aeNJFYEL58@werkpc> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221120_154248_322559_3E5C8998 X-CRM114-Status: UNSURE ( 7.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > +&emac { > + allwinner,tx-delay-ps = <500>; > +}; Is this direct MAC to MAC without a PHY in the middle? And RGMII? 500ps seems odd. It is normally 1000ps. And you need to specify a delay for both Rx and Tx. I could understand &emac { allwinner,tx-delay-ps = <500>; allwinner,rx-delay-ps = <500>; }; then each end adds 1/2 the delay on both Rx and Tx. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel