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 9EDBECCA482 for ; Tue, 7 Jun 2022 21:56:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349146AbiFGV4X (ORCPT ); Tue, 7 Jun 2022 17:56:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1383303AbiFGVxC (ORCPT ); Tue, 7 Jun 2022 17:53:02 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6F395F5A; Tue, 7 Jun 2022 12:11:17 -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 ams.source.kernel.org (Postfix) with ESMTPS id 59D10B82182; Tue, 7 Jun 2022 19:11:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF7BDC385A5; Tue, 7 Jun 2022 19:11:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654629075; bh=F5vc2z5PopVkJ8A8MZC70EPgQB/h1zcxegZ4uIkJRU4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pmTdBiNpeqPYixelxqRPqaUQTFP0fKf+8Nb8tJxfhY6DvjHj7vKEj2hrnDc8vvH2u O23J6JweUkYRCWcqJOe84c4CZXSkQqxqRzLaUxbZuSs+LZtxZ99Ckjv8bAGsukuwfV +1sJyaEa2Xz4d0/x3G2dxipQ5KzYTXViQaOxLMr8= 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 5.18 561/879] ARM: dts: stm32: Fix PHY post-reset delay on Avenger96 Date: Tue, 7 Jun 2022 19:01:19 +0200 Message-Id: <20220607165019.146590485@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607165002.659942637@linuxfoundation.org> References: <20220607165002.659942637@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 61e17f44ce81..76c54b006d87 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