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Wed, 29 Jun 2022 11:29:20 -0700 From: Kartik To: , , , , , , , , , , , , , , , , Subject: [PATCH v2 3/6] clocksource/drivers/timer-tegra186: Add support for Tegra234 SoC Date: Wed, 29 Jun 2022 23:59:01 +0530 Message-ID: <1656527344-28861-4-git-send-email-kkartik@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1656527344-28861-1-git-send-email-kkartik@nvidia.com> References: <1656527344-28861-1-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: 02511e4d-2967-47e4-ccb5-08da59fd4da2 X-MS-TrafficTypeDiagnostic: BYAPR12MB4741:EE_ 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:203.18.50.14;CTRY:HK;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:hkhybrid03.nvidia.com;CAT:NONE;SFS:(13230016)(4636009)(39860400002)(396003)(136003)(376002)(346002)(36840700001)(40470700004)(46966006)(336012)(186003)(316002)(36860700001)(70206006)(47076005)(70586007)(83380400001)(4744005)(426003)(2616005)(40460700003)(82310400005)(36756003)(110136005)(40480700001)(7049001)(8676002)(26005)(921005)(82740400003)(7696005)(8936002)(478600001)(2906002)(86362001)(6666004)(356005)(5660300002)(41300700001)(7636003);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jun 2022 18:29:28.6709 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 02511e4d-2967-47e4-ccb5-08da59fd4da2 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[203.18.50.14];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT055.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB4741 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org The timer IP block present on Tegra234 SoC supports watchdog timer functionality that can be used to recover from system hangs. The watchdog timer uses a timer in the background for countdown. Signed-off-by: Kartik --- drivers/clocksource/timer-tegra186.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/clocksource/timer-tegra186.c b/drivers/clocksource/timer-tegra186.c index 4515517c87a5..ea742889ee06 100644 --- a/drivers/clocksource/timer-tegra186.c +++ b/drivers/clocksource/timer-tegra186.c @@ -486,8 +486,14 @@ static const struct tegra186_timer_soc tegra186_timer = { .num_wdts = 3, }; +static const struct tegra186_timer_soc tegra234_timer = { + .num_timers = 16, + .num_wdts = 3, +}; + static const struct of_device_id tegra186_timer_of_match[] = { { .compatible = "nvidia,tegra186-timer", .data = &tegra186_timer }, + { .compatible = "nvidia,tegra234-timer", .data = &tegra234_timer }, { } }; MODULE_DEVICE_TABLE(of, tegra186_timer_of_match); -- 2.17.1