From patchwork Fri Apr 3 20:22:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 1266213 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=APq8zqvn; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48vBFN0yc4z9sSM for ; Sat, 4 Apr 2020 07:22:48 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728264AbgDCUWn (ORCPT ); Fri, 3 Apr 2020 16:22:43 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:51072 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728417AbgDCUW3 (ORCPT ); Fri, 3 Apr 2020 16:22:29 -0400 Received: by mail-wm1-f68.google.com with SMTP id t128so8471547wma.0; Fri, 03 Apr 2020 13:22:28 -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=WS2drkVzUywPkUAraDwxibChKAzL4Ioj5dgxbparViM=; b=APq8zqvnzru0QNSUVmz1Bamnt9WwBG0Ba+0o9zlwP5hmr9KKGSVgL1qxQwwWq+YrqV JxrqA4jdfSxyIygLsRySycAtz3JbJk1RM76CM7zDmzYh4vHK9Y1FYY9M5JP+8o+9sEHQ puINkczY1Sp5tXnYikpww0JpzJOOK9/MG1n3papRoGb83am1XzDV1N+u5VC8ChZYQfhO Mdy0V15OW14tmkNe7LY7XnpuqRRlhPshIWzkWRm0C28JyNuSmovLDzkuQgESWJcCkciE z1XSEpha/t2YzEhZW52xQc7G+if7YZOUbyJR/SPriub5kHQIuJC7JtdU1vBHxeGGJoH2 7msQ== 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=WS2drkVzUywPkUAraDwxibChKAzL4Ioj5dgxbparViM=; b=F6hpXLbDLQfpadaEFLnyavFPXSNy/4qU+XMgN3gMwBpfvrtayWsADYzXRyxxvoG8c2 BuhuAtFk4z0U/59ilyejcBDv9HCPmYca91+rHZzRwTO/y7XxwpIyPB0wEA0i4wSxIJF6 zZLz2y6EFt7sL+VWOT7GlqF4VbjBXWWqtGr4/uqm/RRKWHtCboUUX/bRtKXcOeuQdA+B mQNc7FFLilW51zQks67+3/X9PArvqhavcL4XMtM7TkFkzN8680SdlpZRPYtTVNpbm9DT fg0XjokZSbPEXObEcrL+ftJiUrRk9trHQsrKW2bPWU0eSCUwY/TN7+KDLTUQgUMWZDLW 4waw== X-Gm-Message-State: AGi0PuYhC9ypq1A06iaqxrihDOP7Jdsk/taraDEsLZLokPZoZEoYA+L8 2HftOF2BCU9urVULbwbueeY9gCu+ X-Google-Smtp-Source: APiQypK7NTafTkpGY2knIzDtkbi/m/65q+yopgUPWyBDnGa4LDCAPZpjpPNjHOgsFE+8seD7lY5AhQ== X-Received: by 2002:a1c:3281:: with SMTP id y123mr10095222wmy.140.1585945347470; Fri, 03 Apr 2020 13:22:27 -0700 (PDT) Received: from localhost (pD9E51CDC.dip0.t-ipconnect.de. [217.229.28.220]) by smtp.gmail.com with ESMTPSA id v186sm12715529wme.24.2020.04.03.13.22.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2020 13:22:26 -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 6/7] arm64: tegra: Add native timer support on Tegra194 Date: Fri, 3 Apr 2020 22:22:08 +0200 Message-Id: <20200403202209.299823-7-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 Tegra194. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 019f66f03a97..a0a5b44ff9bb 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -213,6 +213,23 @@ emc: external-memory-controller@2c60000 { }; }; + timer@3010000 { + compatible = "nvidia,tegra194-timer", + "nvidia,tegra186-timer"; + reg = <0x03010000 0x000e0000>; + interrupts = , + , + , + , + , + , + , + , + , + ; + status = "disabled"; + }; + uarta: serial@3100000 { compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart"; reg = <0x03100000 0x40>;