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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C22ADCCA485 for ; Tue, 7 Jun 2022 18:37:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350347AbiFGShM (ORCPT ); Tue, 7 Jun 2022 14:37:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351721AbiFGSd4 (ORCPT ); Tue, 7 Jun 2022 14:33:56 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D25E81483C2; Tue, 7 Jun 2022 10:57:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 030A5CE2424; Tue, 7 Jun 2022 17:57:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0A95C34119; Tue, 7 Jun 2022 17:57:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654624654; bh=tXpFV1oq8s2qSwjMPFj5GjP5i35kucSjkrQzFXm++X0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eGxNaFes9WWENbjjaHskWx6IUxUES1FK6lHfsV4OHrv3fS9Fb6BrypvhNgN+1TEEm LUrPTvGhWp6+EgmjULAkpjI/oZHug+hDKk4YcaMVgQ4jlfUsJe/zOrYiDmciFg0e+k yQ1ljstf1LFrZjAfKw57URxEN8CstU+BxpLno67A= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Marek Vasut , Alexandre Torgue , Patrice Chotard , Patrick Delaunay , linux-stm32@st-md-mailman.stormreply.com, Sasha Levin Subject: [PATCH 5.15 406/667] ARM: dts: stm32: Fix PHY post-reset delay on Avenger96 Date: Tue, 7 Jun 2022 19:01:11 +0200 Message-Id: <20220607164946.918592920@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607164934.766888869@linuxfoundation.org> References: <20220607164934.766888869@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Marek Vasut [ Upstream commit ef2d90708883f4025a801feb0ba8411a7a4387e1 ] Per KSZ9031RNX PHY datasheet FIGURE 7-5: POWER-UP/POWER-DOWN/RESET TIMING Note 2: After the de-assertion of reset, wait a minimum of 100 μs before starting programming on the MIIM (MDC/MDIO) interface. Add 1ms post-reset delay to guarantee this figure. Fixes: 010ca9fe500bf ("ARM: dts: stm32: Add missing ethernet PHY reset on AV96") Signed-off-by: Marek Vasut Cc: Alexandre Torgue Cc: Patrice Chotard Cc: Patrick Delaunay Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue Signed-off-by: Sasha Levin --- arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi index 6885948f3024..8eb51d84b698 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi @@ -141,6 +141,7 @@ compatible = "snps,dwmac-mdio"; reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>; reset-delay-us = <1000>; + reset-post-delay-us = <1000>; phy0: ethernet-phy@7 { reg = <7>; -- 2.35.1