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Fri, 6 Nov 2026 04:03:12 -0800 From: Jon Hunter Date: Fri, 6 Nov 2026 12:02:58 +0000 Subject: [PATCH 1/3] arm64: tegra: Add regulator for Jetson AGX Thor thermal sensor X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20261106-tegra-for-7-3-fixes-v1-1-e62053cbda3e@nvidia.com> References: <20261106-tegra-for-7-3-fixes-v1-0-e62053cbda3e@nvidia.com> In-Reply-To: <20261106-tegra-for-7-3-fixes-v1-0-e62053cbda3e@nvidia.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding CC: , , , Thierry Reding , "Jon Hunter" X-Mailer: b4 0.16.1-dev X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000055DB:EE_|DSVPR12MB999261:EE_ X-MS-Office365-Filtering-Correlation-Id: 15bc2286-94e5-49c8-4848-08df3bfdfbb6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700016|1800799024|23010399003|376014|18002099003|22082099003|10067099003|56012099006|11063799006|261102123227099003|261021121427099003|261021123027099003|261009223027099003|261022075727099003; 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Fixes: 56bb69f9b003 ("arm64: tegra: Add thermal sensor for Jetson AGX Thor") Signed-off-by: Jon Hunter --- arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi | 9 +++++++++ arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834-0008.dts | 4 ++++ arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi | 9 +++++++++ 3 files changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi index f39f33a66cd2..707e2e79efa7 100644 --- a/arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi @@ -61,10 +61,19 @@ i2c { thermal-sensor@4c { compatible = "ti,tmp451"; reg = <0x4c>; + vcc-supply = <&vdd_1v8_ao>; }; }; }; + vdd_1v8_ao: regulator-vdd-1v8-ao { + compatible = "regulator-fixed"; + regulator-name = "VDD_1V8_AO"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + thermal-zones { cpu-thermal { polling-delay-passive = <40>; diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834-0008.dts b/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834-0008.dts index 3bd4c4cf2871..d598c6925773 100644 --- a/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834-0008.dts +++ b/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834-0008.dts @@ -20,4 +20,8 @@ pci@8480000 { status = "okay"; }; }; + + regulator-vdd-1v8-ao { + vin-supply = <&vdd_5v0_sys>; + }; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi index 9295f9c81296..0ed2335ea91f 100644 --- a/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra264-p4071-0000+p3834.dtsi @@ -64,6 +64,15 @@ key-power { }; }; + vdd_5v0_sys: regulator-vdd-5v0-sys { + compatible = "regulator-fixed"; + regulator-name = "VIN_SYS_5V0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + }; + thermal-zones { tj-thermal { trips { -- 2.43.0