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Fri, 2 May 2025 16:26:23 +0200 From: Daniel Schultz To: , , , , , , , , CC: , Daniel Schultz Subject: [PATCH 2/3] arm64: dts: ti: k3-am62a: Set Critical Temp. to 105C Date: Fri, 2 May 2025 07:26:05 -0700 Message-ID: <20250502142606.2840508-2-d.schultz@phytec.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250502142606.2840508-1-d.schultz@phytec.de> References: <20250502142606.2840508-1-d.schultz@phytec.de> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ClientProxiedBy: Diagnostix.phytec.de (172.25.0.14) To Florix.phytec.de (172.25.0.13) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU6PEPF0000952A:EE_|AS8P195MB1368:EE_ X-MS-Office365-Filtering-Correlation-Id: c02ed374-dd81-4ed7-9c3e-08dd89855261 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|36860700013|1800799024; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 May 2025 14:26:26.1566 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c02ed374-dd81-4ed7-9c3e-08dd89855261 X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: DU6PEPF0000952A.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8P195MB1368 The AM62Ax SoC supports two temperature ranges: * A: -40 to 105C - Extended Industrial * I: -40 to 125C - Automotive By default, use the lower limit (105 °C) so that any AM62A running in Extended Industrial mode will shut down safely before overheating. If the bootloader detects an Automotive-grade device, it should override this and raise the critical trip point to 125 °C. Signed-off-by: Daniel Schultz --- arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi index 39ff9118b6c4..40dcb9bab965 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi @@ -19,7 +19,7 @@ main0_alert: main0-alert { }; main0_crit: main0-crit { - temperature = <125000>; /* milliCelsius */ + temperature = <105000>; /* milliCelsius */ hysteresis = <2000>; /* milliCelsius */ type = "critical"; }; @@ -50,7 +50,7 @@ main1_alert: main1-alert { }; main1_crit: main1-crit { - temperature = <125000>; /* milliCelsius */ + temperature = <105000>; /* milliCelsius */ hysteresis = <2000>; /* milliCelsius */ type = "critical"; }; @@ -81,7 +81,7 @@ main2_alert: main2-alert { }; main2_crit: main2-crit { - temperature = <125000>; /* milliCelsius */ + temperature = <105000>; /* milliCelsius */ hysteresis = <2000>; /* milliCelsius */ type = "critical"; }; -- 2.25.1