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Thu, 14 Apr 2022 01:26:09 -0700 From: Kartik To: , , , , , , , , , , , , , , , , Subject: [PATCH 6/6] arm64: tegra: Enable native timers on Tegra234 Date: Thu, 14 Apr 2022 13:55:38 +0530 Message-ID: <1649924738-17990-7-git-send-email-kkartik@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1649924738-17990-1-git-send-email-kkartik@nvidia.com> References: <1649924738-17990-1-git-send-email-kkartik@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1258e399-e489-4589-77b1-08da1df07137 X-MS-TrafficTypeDiagnostic: DM6PR12MB2697:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.236;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(40470700004)(46966006)(36840700001)(316002)(7696005)(47076005)(426003)(336012)(40460700003)(6666004)(82310400005)(86362001)(36756003)(83380400001)(5660300002)(26005)(186003)(8676002)(7049001)(508600001)(36860700001)(2616005)(70206006)(70586007)(356005)(2906002)(110136005)(81166007)(8936002)(921005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Apr 2022 08:26:15.3444 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1258e399-e489-4589-77b1-08da1df07137 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.236];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT031.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB2697 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The native timers IP block found on NVIDIA Tegra SoCs implements a watchdog timer that can be used to recover from system hangs. Add and enable the device tree node on Tegra234. Signed-off-by: Kartik --- arch/arm64/boot/dts/nvidia/tegra234.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index 8767dbe2d066..47e0500a3838 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -446,6 +446,28 @@ status = "okay"; }; + timer@2080000 { + compatible = "nvidia,tegra234-timer"; + reg = <0x02080000 0x00121000>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + status = "okay"; + }; + gpio: gpio@2200000 { compatible = "nvidia,tegra234-gpio"; reg-names = "security", "gpio"; -- 2.17.1