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Thu, 5 Mar 2026 07:17:02 -0800 From: Jon Hunter To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding CC: , , Jon Hunter Subject: [PATCH] arm64: tegra: Fix RTC aliases Date: Thu, 5 Mar 2026 15:16:59 +0000 Message-ID: <20260305151659.703273-1-jonathanh@nvidia.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000FCC0:EE_|SA5PPF50009C446:EE_ X-MS-Office365-Filtering-Correlation-Id: a08eb4a1-1c01-4578-8bdf-08de7aca4f03 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|376014|36860700016; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(376014)(36860700016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: EAMBKdtUhBjfsISWaL9DdoJDu0s2vHAJjBK1ajsMAnK5K0bLH/NqLl0k5x9TmcB5u4bTIl0Mg5lHa9y1dvayXglF0pGRUbqWmtBkw243IGe3fOrzJgUcq6RsvLP7zL9kgtYzHjEy0YAisNq1sMQxXHI7THun2elHqHmsg0F9aPXEQOhYTHznR2kkrrMB1KER1xytgtI4Ebxiow8tM+GDu1jfjrWcvdW7kpPWrOnHm1yXejXTxm0bF7W+G/8OEMcdbEPCSmFXCFZrVchgTE0L5uyzr1tJcq0O1iAzGTq/LBAvYW9AUPiRkhyw5POqN9dZjF28H/oSYqcROC3Xq4HPtgTLZ9yU4ZLe08bBaErXlgBuxMI8Ia/RJl1OA10Xxw+W0CVUAklh6uuKtN1+B3AxZ0xuHDht4ZAwh/wjscdA5fDIFI+1GbIr8kHPaswzzBr9 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Mar 2026 15:17:25.9692 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a08eb4a1-1c01-4578-8bdf-08de7aca4f03 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000FCC0.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPF50009C446 The following warning is observed on the Tegra234 Jetson platforms ... rtc-nvidia-vrs10 4-003c: /aliases ID 0 not available This happens because the 'rtc@c2a0000' device is registered before the vrs10 RTC and so is assigned the 'rtc0' alias. We want the vrs10 RTC to be the default RTC because this RTC maintains time across power cycles. Fix this by adding a 'rtc1' alias for the 'rtc@c2a0000' device. Fixes: b1806f2b4e78 ("arm64: tegra: Add device-tree node for NVVRS RTC") Signed-off-by: Jon Hunter --- arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi | 1 + arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi index 58bf55c0e414..c10d041c183b 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi @@ -9,6 +9,7 @@ aliases { mmc0 = "/bus@0/mmc@3460000"; mmc1 = "/bus@0/mmc@3400000"; rtc0 = "/bpmp/i2c/pmic@3c"; + rtc1 = "/bus@0/rtc@c2a0000"; }; bus@0 { diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi index ab391a71c3d3..9e9e80d57623 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi @@ -8,6 +8,7 @@ / { aliases { mmc0 = "/bus@0/mmc@3400000"; rtc0 = "/bpmp/i2c/pmic@3c"; + rtc1 = "/bus@0/rtc@c2a0000"; }; bus@0 { -- 2.43.0