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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 0DE93C433DF for ; Tue, 23 Jun 2020 03:40:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E332720780 for ; Tue, 23 Jun 2020 03:40:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592883645; bh=YnFKD2SuD44mKD4MHh/11/4JdpjARNP9QmTVMDETsFw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=hSTnRWG3pAavxeds6WPnqvjuhQobwazUTkZen/LFFhUzNAtfx1KKusHItB29Dzpdx WtaNbsWYrJRmFw6S6O+mImKgaMsQpebBjDM8tOonNHeoHVJgTQYCuupjGnQAVPwTdb DY3sh4CSPgrdd72SLCxas2Zk6mQAedNeuzUTV1gA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731114AbgFWDkm (ORCPT ); Mon, 22 Jun 2020 23:40:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:39266 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728526AbgFWDkm (ORCPT ); Mon, 22 Jun 2020 23:40:42 -0400 Received: from dragon (80.251.214.228.16clouds.com [80.251.214.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B03DB206C1; Tue, 23 Jun 2020 03:40:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592883641; bh=YnFKD2SuD44mKD4MHh/11/4JdpjARNP9QmTVMDETsFw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dwQ/rjW3rD29ihmU/ZiivDNFUn9sMGLMqcGoVW6l03+BONg1fSJkoaNzzCQ7oWIau hPLFxOsjW6gfmOnOoNHHiE0woEMl5Zh8kCC8q0FBMyKkPFpax7OhnB8ib/mhBy3TTP +BYdTj/gzPOj6REQ0BM3Ac/2n6teqZqE8PEUdg1k= Date: Tue, 23 Jun 2020 11:40:34 +0800 From: Shawn Guo To: Schrempf Frieder Cc: Fabio Estevam , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , "stable@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Rob Herring Subject: Re: [PATCH 2/2] ARM: dts: Change WDOG_ANY signal from push-pull to open-drain Message-ID: <20200623034033.GJ30139@dragon> References: <20200528144312.25980-1-frieder.schrempf@kontron.de> <20200528144312.25980-2-frieder.schrempf@kontron.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200528144312.25980-2-frieder.schrempf@kontron.de> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 28, 2020 at 02:43:43PM +0000, Schrempf Frieder wrote: > From: Frieder Schrempf > > The WDOG_ANY signal is connected to the RESET_IN signal of the SoM > and baseboard. It is currently configured as push-pull, which means > that if some external device like a programmer wants to assert the > RESET_IN signal by pulling it to ground, it drives against the high > level WDOG_ANY output of the SoC. > > To fix this we set the WDOG_ANY signal to open-drain configuration. > That way we make sure that the RESET_IN can be asserted by the > watchdog as well as by external devices. > > Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards") > Cc: stable@vger.kernel.org > Signed-off-by: Frieder Schrempf Added 'imx6ul-kontron:' to subject and applied both patches. Shawn