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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B2A6C388F9 for ; Tue, 17 Nov 2020 02:02:03 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 60E3A20897 for ; Tue, 17 Nov 2020 02:02:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Z3qG56aJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 60E3A20897 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lunn.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject: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=TG5Gk4StAl9P0zBvwSonnfPTW1/ePI/tZICsONQ8qvE=; b=Z3qG56aJ0u4sZQd8l1aC3Ysgk fAvKTvI7PDeWdJ8kx0viy9+C8Ph6OuITtkuki+9MUU69/sfL0HSO8xj+QWnGzJTtXlSxakhOQHfcn ywQClnq0sZBWtvn+BcjNrT/arMjZR96y/RQ3z0xxSLNA6GHmWO0X+0Eo07j8TxdCkeYNyieFPYxRL +zyWIKiY2N3W53SRMbqUNRjORTjteRuo/wpiq+10mzhipOBoeGadFYXUF+CjJDbxZ3CKOcBSCVzFk aWdNlQaGIexm0/0WF1aapGZQOuv4/lGWtAMrSU79c6fftPjzGQsrTJ1eZpwLiAR1SEM5erZws14va tEcGnUSgA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1keqJe-0007gk-S2; Tue, 17 Nov 2020 02:01:54 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1keqJc-0007gO-Mi; Tue, 17 Nov 2020 02:01:53 +0000 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1keqJN-007S4p-J8; Tue, 17 Nov 2020 03:01:37 +0100 Date: Tue, 17 Nov 2020 03:01:37 +0100 From: Andrew Lunn To: Martin Blumenstingl Subject: Re: [PATCH RFC v2 1/5] dt-bindings: net: dwmac-meson: use picoseconds for the RGMII RX delay Message-ID: <20201117020137.GA1752213@lunn.ch> References: <20201115185210.573739-1-martin.blumenstingl@googlemail.com> <20201115185210.573739-2-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201115185210.573739-2-martin.blumenstingl@googlemail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201116_210152_809928_B96B6CAB X-CRM114-Status: GOOD ( 12.01 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, f.fainelli@gmail.com, jianxin.pan@amlogic.com, narmstrong@baylibre.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, khilman@baylibre.com, linux-amlogic@lists.infradead.org, kuba@kernel.org, davem@davemloft.net, linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On Sun, Nov 15, 2020 at 07:52:06PM +0100, Martin Blumenstingl wrote: > Amlogic Meson G12A, G12B and SM1 SoCs have a more advanced RGMII RX > delay register which allows picoseconds precision. Deprecate the old > "amlogic,rx-delay-ns" in favour of a new "amlogic,rgmii-rx-delay-ps" > property. > > For older SoCs the only known supported values were 0ns and 2ns. The new > SoCs have 200ps precision and support RGMII RX delays between 0ps and > 3000ps. > > While here, also update the description of the RX delay to indicate > that: > - with "rgmii" or "rgmii-id" the RX delay should be specified > - with "rgmii-id" or "rgmii-rxid" the RX delay is added by the PHY so > any configuration on the MAC side is ignored > - with "rmii" the RX delay is not applicable and any configuration is > ignored > > Signed-off-by: Martin Blumenstingl Reviewed-by: Andrew Lunn Andrew _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic