From patchwork Fri Apr 3 20:22:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 1266210 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=VhMUnKIW; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48vBF05cgwz9sSj for ; Sat, 4 Apr 2020 07:22:28 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728415AbgDCUW1 (ORCPT ); Fri, 3 Apr 2020 16:22:27 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:35616 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728147AbgDCUW0 (ORCPT ); Fri, 3 Apr 2020 16:22:26 -0400 Received: by mail-wr1-f68.google.com with SMTP id g3so7724640wrx.2; Fri, 03 Apr 2020 13:22:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UNPe3Sj9nisgX8TMQG4uvyThsRCvZnaiE/iNxuk8GJ8=; b=VhMUnKIWuGyXO9Wk/YcdTBcgSMYnN4H26x6y7/9SgmCzWy4Vf6g8fQ6XchCp0Kko61 x59FMlJkWblglZmlr9PibNCvCdg+/cbB2bzk/c7tV3wMMYpkGD+wOE3ZS2f/u+3pefKS V9aNke9IErE3yghtXR012FEnNkXmnyVSjgswey95eT1GBwLyxhOouZvW4LhflDdNdHhL bOMct7S3a5fnTeAhYYcUJBHE8H7Q3/K1OhvaEl6o30MORyFRYmfjowZ3+mQMilawVZdR xx3vkYhI3qMQNRmwtvfHJSVV21lwWy6Of/BrM97wDImyirH+nuaa+W0cDpGNMj7340Xn OmCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UNPe3Sj9nisgX8TMQG4uvyThsRCvZnaiE/iNxuk8GJ8=; b=MusC5UO9GmCuR8Dwy59rTrCOL3D2ankYho3vonag5LxoBAL5czzpB+3eR4wRLwQQcY PSa3R0J/LfNeEZ6Hqo9tw+kfFlQ6GWivxlAesBAIj9oHFbRfGHvs5kMQqZlSdUJF+005 hDQ1hgB7RV7iR04tMCyQGXv5nEqvdOxT42Y0fjdy5z7c5tXzdLEy9UUf/w2v7GlGDAWk bFCZaauMVZ8DrAcUC30Q4R+26XAcUa/rDtqnuXoZDoEOUmJYD269gmj94Nr83dS/h7HK 9w7q+9wJL11NVPXuCMSF5PrKJjhMhwMgJaewLv7jgkpOdKHEUJMdku/mbZRAzhUYO/jg hOxQ== X-Gm-Message-State: AGi0PuaLxMD5dpCtXDepEG2daVqLQaouOFp8FQBIRU2R12OBtYnHwtfZ OiTjVlXf9byaIvVvw7qhd+E= X-Google-Smtp-Source: APiQypLT9r357ptijr1DMYEYfVwzqiVe4R9FAoRQ/z4pi7HhWS8SjPiZBFyKIpQ4+XmTShtzshM9+w== X-Received: by 2002:a5d:6605:: with SMTP id n5mr10565784wru.303.1585945344205; Fri, 03 Apr 2020 13:22:24 -0700 (PDT) Received: from localhost (pD9E51CDC.dip0.t-ipconnect.de. [217.229.28.220]) by smtp.gmail.com with ESMTPSA id d13sm13804946wrq.11.2020.04.03.13.22.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2020 13:22:23 -0700 (PDT) From: Thierry Reding To: Daniel Lezcano , Thomas Gleixner , Thierry Reding Cc: Rob Herring , Dmitry Osipenko , Jon Hunter , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 4/7] arm64: tegra: Add native timer support on Tegra186 Date: Fri, 3 Apr 2020 22:22:06 +0200 Message-Id: <20200403202209.299823-5-thierry.reding@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200403202209.299823-1-thierry.reding@gmail.com> References: <20200403202209.299823-1-thierry.reding@gmail.com> MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Thierry Reding The native timers IP block found on NVIDIA Tegra SoCs implements a watchdog timer that can be used to recover from system hangs. Add the device tree node on Tegra186. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 58100fb9cd8b..4dfa70e93693 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -167,6 +167,22 @@ emc: external-memory-controller@2c60000 { }; }; + timer@3010000 { + compatible = "nvidia,tegra186-timer"; + reg = <0x0 0x03010000 0x0 0x000e0000>; + interrupts = , + , + , + , + , + , + , + , + , + ; + status = "disabled"; + }; + uarta: serial@3100000 { compatible = "nvidia,tegra186-uart", "nvidia,tegra20-uart"; reg = <0x0 0x03100000 0x0 0x40>;