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Wed, 16 Apr 2025 05:06:27 -0700 From: Shubhi Garg To: , , , , , , CC: Subject: [PATCH 1/5] dt-bindings: mfd: add bindings for NVIDIA VRS PSEQ Date: Wed, 16 Apr 2025 12:06:15 +0000 Message-ID: <20250416120619.483793-2-shgarg@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250416120619.483793-1-shgarg@nvidia.com> References: <20250416120619.483793-1-shgarg@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF0000449F:EE_|DS4PR12MB9658:EE_ X-MS-Office365-Filtering-Correlation-Id: 3316848f-7591-4744-1777-08dd7cdf2a10 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|82310400026|36860700013|13003099007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?E0Vng7H3CdPFNjK0l4nhw0FFe2rDlhjg3Vx9A3fnIMGM9jttOCzhcI4uP1E4?= =?us-ascii?Q?D/DEGctOOFzQMwU3RqxhNBPCEfx3K12rz5zAbZngA0sjHV0KhN3uC4pDSKsN?= =?us-ascii?Q?3l/Z3siPbs38UPTFIDOTCAhCVPKC6SV23WXwNbW7J1M8bYzh8iUMRv/NgVnn?= =?us-ascii?Q?r8QWtyYIvYjSax+vAMoGw30ha7Afy6VvCbA8fDfmlMPIPBUiPCkoW7vA8RE7?= =?us-ascii?Q?UBUAVjZ6XeG2uuEn2LgyBNZp0+xwYw+nL9NgSqJoX/6TjnZ2cwNMwDLkCJui?= =?us-ascii?Q?VBt9OiFMvqMsfiR5ZQvyk4zW6GTQVaVmgX1L0b6eMshi3hdhGdEBQEelAqDR?= =?us-ascii?Q?9XREt1xQU4paiHrGfEDif8ru2fiwTBaYPxbanWM0X/bQMS1c8qkyV3bcjRU7?= =?us-ascii?Q?uUlm0QxMMawD20K6EKIzxktqyxIlgJhFicrra6RubKylAKeSbyCAIhCcTJyD?= =?us-ascii?Q?eJ8Xg/JwdLo13xZ85nonPAtuT7+Eeisgjlp+m46QPPP1EUygWAnLmsqr0ecC?= =?us-ascii?Q?m7m1IQ5Z4QUTo6uNNFgBr7jkeBZaTf+GqDQjdgWJOEicssOCGwY0CPoqdtMf?= =?us-ascii?Q?UA2bGcE3w78NxX6RvK3qGL4LYPngAIneMcumuE8DCA7/RrWUMJBHiY4bKqHw?= =?us-ascii?Q?kgXL2CQW7zAhi6RojQBoaHpNLNDfgyuGEclUW6cdIRsTYMdqcKDjKnwu7bNY?= =?us-ascii?Q?UkLrhF1zSAtlGfmSE1qNhy/IDUuFLrcGPnvZtACB3KdtdliYe8eBgFwDhJGw?= =?us-ascii?Q?6B1iLMop+dAK6T3lUZ5Dd+aXytyhY/q0oJsidyBnd2nc/FqpGbm7daEMJ1jf?= =?us-ascii?Q?Lk+1v/hx0XaPnzfy5MXoygYaWQ/Z0BmsvOdVkZsc+p8dDfs8a37fBykzr3oo?= =?us-ascii?Q?nhX8ZB8yqtfcy6u8fR+/UhhGhhtYJZh9dV6iDTwA3ohbr0HFtfXsR3sqMBWd?= =?us-ascii?Q?T3dx/yEBe/UbPBEy7ja/i87He5cDB5kPeS6EZ8SkgWSdwP2/PKXDgXcm71Up?= =?us-ascii?Q?qaiMT71vRVQYRPYCw0mPPyM1xYV1l3YnyYSXddizoKSXQJ4k1HYhMm8qorGj?= =?us-ascii?Q?afj9bxhoJ4aeTApq88pZzR+/FBp+RQHnKiWujFRD7/57TED+YiLg+U/srymj?= =?us-ascii?Q?Ds4RjuH/xS6qIYS+ySJEkyLMFy7+qHrpsCfLascnZpN/HplObVzqaVVjvEEf?= =?us-ascii?Q?03hNEkj6R2x24l149uwdHD+8tmbHKvJOZH8UhY+eiOganeHzZGXc8d9D7BRL?= =?us-ascii?Q?m8M+vhuCcMROKxyEW5wDdd/AN60xPZvt94qz+sNPiNYwNltQkqiZ8bWfhlaW?= =?us-ascii?Q?M5w7YI2uxol08CJj1a91YJm2hskQgNhFXaKLDs161I2B0B4MYJ1zrYZkYsJP?= =?us-ascii?Q?n+VjkOH96zfevg8D9LvyxVEq1CPt0wxf+NqhB/3yEumVekbv+AWbxN0krBO1?= =?us-ascii?Q?aS2OUmDRkGbMmJ1hi8M8wFrltOzTe+zRh9d44bEUprWqzzNQHN+YcmaF2lwi?= =?us-ascii?Q?r4jRoFwxHGVDCPinq2apmYdpy2pBw4ys8zry?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(1800799024)(82310400026)(36860700013)(13003099007);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Apr 2025 12:06:47.9696 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3316848f-7591-4744-1777-08dd7cdf2a10 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF0000449F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PR12MB9658 Content-Type: text/plain; charset="utf-8" Add bindings for NVIDIA VRS (Voltage Regulator Specification) power sequencer device. NVIDIA VRS PSEQ controls ON/OFF and suspend/resume power sequencing of system power rails on Tegra234 SoC. This device also provides 32kHz RTC support with backup battery for system timing. Signed-off-by: Shubhi Garg --- .../bindings/mfd/nvidia,vrs-pseq.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/nvidia,vrs-pseq.y= aml diff --git a/Documentation/devicetree/bindings/mfd/nvidia,vrs-pseq.yaml b/D= ocumentation/devicetree/bindings/mfd/nvidia,vrs-pseq.yaml new file mode 100644 index 000000000000..d4c5984930e9 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/nvidia,vrs-pseq.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIAT= ES. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/nvidia,vrs-pseq.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Voltage Regulator Specification Power Sequencer + +maintainers: + - Shubhi Garg + +description: + NVIDIA Voltage Regulator Specification Power Sequencer device controls O= N/OFF + and suspend/resume power sequencing of system power rails for NVIDIA + SoCs. It provides 32kHz RTC clock support with backup battery for + system timing. + +properties: + compatible: + const: nvidia,vrs-pseq + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + description: + The first cell is the IRQ number, the second cell is the trigger typ= e. + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + vrs@3c { + compatible =3D "nvidia,vrs-pseq"; + reg =3D <0x3c>; + interrupt-parent =3D <&pmc>; + interrupts =3D <24 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells =3D <2>; + status =3D "disabled"; + }; + }; --=20 2.25.1