From patchwork Fri Mar 20 13:34:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 1258906 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=HiPsk+JI; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48kPsb2b4rz9sSX for ; Sat, 21 Mar 2020 00:35:15 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727478AbgCTNfN (ORCPT ); Fri, 20 Mar 2020 09:35:13 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:36365 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727448AbgCTNfM (ORCPT ); Fri, 20 Mar 2020 09:35:12 -0400 Received: by mail-wr1-f66.google.com with SMTP id 31so1494739wrs.3; Fri, 20 Mar 2020 06:35:10 -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=HiPsk+JIb2hyg5Qkn4eZQ5lRw7DEF4diIWH41qF+EGfE1Me0t8w8c+WEgJem++3gc7 NhQtgcIBHpzOeUPHxBGXhRzffm6AZxluJcxezw9azGvhMWgqLjlu+eyutfux0RsCthAd 7xrP+47+OjQuY1WP8pOBHk1gKFd0nc9MtCdeR8P5eMmvsK5yInuCUJE2fk0LWFhs+yYC vHYNsowa3qGPfwNaDhv6/VlnOFxERDVa3F3uMIYqaQZ/ReKz3n3ON5YJeOteYNdM4vXB ZTxNWJ+HuOvYaGV/DzEF/rn2brKSxhwtEvQbkEe6zPBNGK1+U+Uyea5S7b3VDxDHnCnR 6CtA== 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=c0PqLiSd1u3vt5TWsEAIfY04gGnkYAcJ55nWWcYEwg5QnmSRYf/cTL0TuEOcrJK5YY 02pc1sy8NKYPcwQdKs+FsuQ2qS2MNtBFnuQdQvOwLFQaOjciLtMAmfejGp2alCdOiE4H aUC9WLGh+VMX+PqELUu2oRzA9xBDteLLReVLhXAF2vF8lUBreBYwJKb6qts9bT3BAnyv zbr+BmeM9cF/5OGzqFd1GyG3GA8HPELe6jPr17ZKl3Hp8eymBs20yjU0leE1nUAno36X 93wbEmTDb/Cr/2byFZdn/nQOCLHFREOBnYXFRXvuj9Qtr/YIi0LhyUVE3ZI1CnXmx4ia bhNQ== X-Gm-Message-State: ANhLgQ1zbIUKaIzd0CZtTDuahmtXp+WZjXPmgyv7rTy4ucpipNV2hN01 SC+xhNYQbGjATDQPRZR77D0= X-Google-Smtp-Source: ADFU+vsmF62dkz4NOF0fz2vj+AQ9Q4dIQxEtvA6NbGIPJUif7KQu/7XeP2PuG9ptM3YqSbuJXOnCFA== X-Received: by 2002:adf:fc82:: with SMTP id g2mr11634358wrr.117.1584711310179; Fri, 20 Mar 2020 06:35:10 -0700 (PDT) Received: from localhost (pD9E51CDC.dip0.t-ipconnect.de. [217.229.28.220]) by smtp.gmail.com with ESMTPSA id s22sm7160030wmc.16.2020.03.20.06.35.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2020 06:35:09 -0700 (PDT) From: Thierry Reding To: Thomas Gleixner , Thierry Reding Cc: Rob Herring , Jon Hunter , linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/7] arm64: tegra: Add native timer support on Tegra186 Date: Fri, 20 Mar 2020 14:34:49 +0100 Message-Id: <20200320133452.3705040-5-thierry.reding@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200320133452.3705040-1-thierry.reding@gmail.com> References: <20200320133452.3705040-1-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>;