From patchwork Thu Jul 14 12:28:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12917830 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A73BDC43334 for ; Thu, 14 Jul 2022 12:31:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lwTYvYSyV6bKQc9muoDJkslc3KxE3095gGjv+46RMgE=; b=3x1tGuj7rWvAiW4PfaetYVnyQ8 B15DnaJBo/RrdDcjUEr3ap4qF10XLSIIYJKRdO5rROVwYIJRVdYVkAdDYxX1KNt2JeyloCXd2Jt5N Rr5Ez0jfOtpbplSgvQHIhEPNPHhpE+UNkMNC841jk3sp2eBG/zL4XHvAS3hfnHAmexnIwtAZgiH+T TXsDLGPzSp6DkyZWOW8rxyDIvr9l8jlflAn3rtrywBw7UueyALGlAdHum9MWF9cjhep8sNbG2LCiJ XK8Bri1uoKTxDImCMH5Vuf7SXpj9yoIAxp623BjQdXOHhNqYO1XGabUL6MUKoa+hffO+4o07U7Y+B u+Wc4yMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBy00-00ECqi-Gj; Thu, 14 Jul 2022 12:31:20 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBxy2-00EBaC-4Q; Thu, 14 Jul 2022 12:29:20 +0000 X-UUID: 9988a4328cf64216af8aa8251b3e5831-20220714 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.8,REQID:3da6276a-6c70-488e-97ff-e6d793fe928f,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:51,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:51 X-CID-META: VersionHash:0f94e32,CLOUDID:883bfd32-b9e4-42b8-b28a-6364427c76bb,C OID:IGNORED,Recheck:0,SF:801,TC:nil,Content:3,EDM:-3,IP:nil,URL:0,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: 9988a4328cf64216af8aa8251b3e5831-20220714 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 50043983; Thu, 14 Jul 2022 05:29:13 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Thu, 14 Jul 2022 20:28:40 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Thu, 14 Jul 2022 20:28:40 +0800 From: Tinghan Shen To: Yong Wu , Joerg Roedel , "Will Deacon" , Rob Herring , "Krzysztof Kozlowski" , Lee Jones , Matthias Brugger , "Tinghan Shen" , Chun-Jie Chen , AngeloGioacchino Del Regno , "MandyJH Liu" , Weiyi Lu CC: , , , , , , Fengquan Chen Subject: [PATCH v2 07/19] arm64: dts: mt8195: Disable watchdog external reset signal Date: Thu, 14 Jul 2022 20:28:25 +0800 Message-ID: <20220714122837.20094-8-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220714122837.20094-1-tinghan.shen@mediatek.com> References: <20220714122837.20094-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220714_052918_205153_E8AE3141 X-CRM114-Status: UNSURE ( 9.18 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Disable the external output reset signal of watchdog reset to avoid losing the reset reason stored in the watchdog registers. Signed-off-by: Fengquan Chen Signed-off-by: Tinghan Shen Reviewed-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 066c14989708..436687ba826f 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -327,6 +327,7 @@ watchdog: watchdog@10007000 { compatible = "mediatek,mt8195-wdt", "mediatek,mt6589-wdt"; + mediatek,disable-extrst; reg = <0 0x10007000 0 0x100>; };