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 5E841C433EF for ; Wed, 24 Nov 2021 13:47:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351753AbhKXNuV (ORCPT ); Wed, 24 Nov 2021 08:50:21 -0500 Received: from mail.kernel.org ([198.145.29.99]:39064 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349334AbhKXNpk (ORCPT ); Wed, 24 Nov 2021 08:45:40 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0021E61179; Wed, 24 Nov 2021 13:00:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637758836; bh=dTPb2kXkqqZHHUU/5EsT1jSVWNxZwUWDpuzJjesggv4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eVWd1J+w5EuL+8U48IYt5Yiv+FAKF6Ki+RSQLg1TnJxJds1l3Dfm401dWf8wugrtT L22wccGg0vjPslutPXvUGpCR3jCh0dOtX16pbFJkgsAPVX0Ol2+WW4hrzkLfWu4MZE ydmtlkbAFMZdxWaok2Lcd6/QOIiyfuf8ACLE1WwY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Heiko Thiery , Frieder Schrempf , Shawn Guo , Sasha Levin Subject: [PATCH 5.15 044/279] arm64: dts: imx8mm-kontron: Fix reset delays for ethernet PHY Date: Wed, 24 Nov 2021 12:55:31 +0100 Message-Id: <20211124115720.248284776@linuxfoundation.org> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211124115718.776172708@linuxfoundation.org> References: <20211124115718.776172708@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: linux-kernel@vger.kernel.org From: Frieder Schrempf [ Upstream commit 315e7b884190a6c9c28e95ad3b724dde9e922b99 ] According to the datasheet the VSC8531 PHY expects a reset pulse of 100 ns and a delay of 15 ms after the reset has been deasserted. Set the matching values in the devicetree. Reported-by: Heiko Thiery Signed-off-by: Frieder Schrempf Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts index e99e7644ff392..49d7470812eef 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts @@ -123,8 +123,8 @@ ethphy: ethernet-phy@0 { reg = <0>; - reset-assert-us = <100>; - reset-deassert-us = <100>; + reset-assert-us = <1>; + reset-deassert-us = <15000>; reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; }; }; -- 2.33.0