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=-6.7 required=3.0 tests=BAYES_00, 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 0A82FC388F9 for ; Tue, 17 Nov 2020 02:07:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B9AB824698 for ; Tue, 17 Nov 2020 02:07:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728017AbgKQCHG (ORCPT ); Mon, 16 Nov 2020 21:07:06 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:59180 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727829AbgKQCHF (ORCPT ); Mon, 16 Nov 2020 21:07:05 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1keqOZ-007S9C-4V; Tue, 17 Nov 2020 03:06:59 +0100 Date: Tue, 17 Nov 2020 03:06:59 +0100 From: Andrew Lunn To: Martin Blumenstingl Cc: davem@davemloft.net, kuba@kernel.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, robh+dt@kernel.org, netdev@vger.kernel.org, jianxin.pan@amlogic.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, khilman@baylibre.com, narmstrong@baylibre.com, jbrunet@baylibre.com, f.fainelli@gmail.com Subject: Re: [PATCH RFC v2 5/5] net: stmmac: dwmac-meson8b: add support for the RGMII RX delay on G12A Message-ID: <20201117020659.GE1752213@lunn.ch> References: <20201115185210.573739-1-martin.blumenstingl@googlemail.com> <20201115185210.573739-6-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201115185210.573739-6-martin.blumenstingl@googlemail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 15, 2020 at 07:52:10PM +0100, Martin Blumenstingl wrote: > Amlogic Meson G12A (and newer: G12B, SM1) SoCs have a more advanced RX > delay logic. Instead of fine-tuning the delay in the nanoseconds range > it now allows tuning in 200 picosecond steps. This support comes with > new bits in the PRG_ETH1[19:16] register. > > Add support for validating the RGMII RX delay as well as configuring the > register accordingly on these platforms. > > Signed-off-by: Martin Blumenstingl Reviewed-by: Andrew Lunn Andrew