From patchwork Sun Oct 7 15:39:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Lengfeld X-Patchwork-Id: 10629687 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 74EF516B1 for ; Sun, 7 Oct 2018 15:40:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 26E1028FFD for ; Sun, 7 Oct 2018 15:40:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1AD172900B; Sun, 7 Oct 2018 15:40:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 89ED328FFD for ; Sun, 7 Oct 2018 15:40:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728297AbeJGWrz (ORCPT ); Sun, 7 Oct 2018 18:47:55 -0400 Received: from stcim.de ([78.46.90.227]:49588 "EHLO stcim.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728075AbeJGWrz (ORCPT ); Sun, 7 Oct 2018 18:47:55 -0400 Received: from [46.183.103.17] (helo=localhost.localdomain) by stcim with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1g9BA9-0001Xq-FF; Sun, 07 Oct 2018 17:40:13 +0200 From: Stefan Lengfeld To: wsa+renesas@sang-engineering.com Cc: linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, preid@electromag.com.au, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.or, j-keerthy@ti.com, t-kristo@ti.com, grygorii.strashko@ti.com, andriy.shevchenko@linux.intel.com Subject: [RFC PATCH 3/3] ARM: dts: phyboard-mira-dl: rely on PMIC for reboot and watchdog Date: Sun, 7 Oct 2018 17:39:37 +0200 Message-Id: <20181007153937.16787-4-contact@stefanchrist.eu> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20181007153937.16787-1-contact@stefanchrist.eu> References: <20180923202034.qugs4fxucj7h4vri@porty> <20181007153937.16787-1-contact@stefanchrist.eu> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Stefan Christ Rely on PMIC watchdog and reboot support. The i.MX6 internal watchdog cannot be used, because it does not reset external PMIC voltages on reset. Signed-off-by: Stefan Christ Signed-off-by: Christian Hemp --- arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts b/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts index 9f7f9f98139d..04e2d5a1b998 100644 --- a/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts +++ b/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts @@ -62,3 +62,11 @@ &usdhc1 { status = "okay"; }; + +&wdog1 { + /* + * Rely on PMIC reboot handler. Internal i.MX6 watchdog, that is also + * used for reboot, does not reset all external PMIC voltages on reset. + */ + status = "disabled"; +};