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Wed, 16 Apr 2025 05:06:21 -0700 From: Shubhi Garg To: , , , , , , CC: Subject: [PATCH 0/5] Add NVIDIA VRS PSEQ support Date: Wed, 16 Apr 2025 12:06:14 +0000 Message-ID: <20250416120619.483793-1-shgarg@nvidia.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0E1:EE_|SA1PR12MB8947:EE_ X-MS-Office365-Filtering-Correlation-Id: 02c1ea57-0d67-4ae4-8277-08dd7cdf2286 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|1800799024|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?6EP9Jaq0W3/jkulIuAmP5e1rrwoJskME3eYM2I+h5RvfhmxjjwQYKh7olg1f?= =?us-ascii?Q?GAbA29aiub/LyaF1xkQWbfe8L6af4aFiPn3hZS2Dqx4wJCBDTKrGfvIkV4pF?= =?us-ascii?Q?RwjuhDKXVJWxe3d2gZioR5AI3m+ABNiUg0VhH8yJkrLf0dEXTXj7Vlkgglwg?= =?us-ascii?Q?7ydLOfrYlmSKN2oSo6jpk1mqQ4usOitkuMtKT0WdR9XPnlbueG9OG/P45dwD?= =?us-ascii?Q?41axUD/pM0TLCjFEVs2tAjBIheODi9aebEDrlz8WArkIhLKKmsXfA4xo9u/T?= =?us-ascii?Q?BZ9TXO+giVjWA1QeL7JnktnypBHVZnVCuoLfIeHIZss+mgm7lJCO47YEwTeh?= =?us-ascii?Q?Kn7enjPJzE3hVbivgXhpCvm0DjNSpeszLZC0wgrePylk0xWBqbDO3ciUU5e+?= =?us-ascii?Q?0nxZNs/Xxvc5B4q1CLNkz2KTdW+JYWj4gO7GRW81dj3YjR0XKbXILElZUFBB?= =?us-ascii?Q?pN984H+tuX3QdaMCfurj5Onq6nZgPBHRGww3I0/MMVhWzfnb1ZWvwNOHGDXD?= =?us-ascii?Q?5GstgosY/2eRnKeLb2C+mgK6agjWRdQUeewPVX3hFB9dSjgQWiekOej9lth1?= =?us-ascii?Q?IlVMs0w/a/pPM8Tnu8TT+eLjwqRQyKDpAwYh7WY/kv1fx988mhIkA1UcFyle?= =?us-ascii?Q?fqSwSn57cjzaSULBso15nweYdwV6FyxI2HKoCLr+255Yjizj5ugky3uxWmfS?= =?us-ascii?Q?MupXPObK+mNpKImLJgtLPTaZgAFyXBm6s/Xji+brlPnsVhDrfhFMI40ZQ3I/?= =?us-ascii?Q?FUakaRYBp65W3cLFhz2XCmKs2X5yADAi6ULGwIiZQmQYgTHpccJAnxSl+V7V?= =?us-ascii?Q?d2KVLAG30JNO5M89rvPwuQIgUQd6cy93J6j2Wrrv0WGuPI+KkCCwdCeHAE4/?= =?us-ascii?Q?/i1dwFJYGg2VImyU8qLC7fX6n3WQy2DohEjX4AB9HCZ3IdIrHQq8zdegfN7g?= =?us-ascii?Q?kwnxcldH95cW78uW9ASxcRnJlPXV8w0ft3zakzQSa9brf3U4r/epjvqb8PaN?= =?us-ascii?Q?bQkU/E3DqpZNFMxEUrchqAL/zEHEu7wEeapqNwL8UpqHPNBr1/oqy1DkTu4Q?= =?us-ascii?Q?VASjCGh5ThQE+hqjNLD1iB/Ehfvxhb1tKshM2E8N9u6Dg8qYPUOYeT2pYKC1?= =?us-ascii?Q?g2pILpmjdSS4n88kdArQxk3shKVvCpmQNbfcamcT2spFyjeTB6n5Sj49T7WF?= =?us-ascii?Q?zdtjESwvnWI7yPliWU09uzGUZFrqtra/jDaCNbZhPywKzXN1/70OK6k2TdE0?= =?us-ascii?Q?Pw1eHKXbi+b0B96PtxRF1RGkgJAeUGgcTDSDdWTT+zeHs8mPPXeTE1plNjq3?= =?us-ascii?Q?SwVnW5qbYg1yTUXZEKOAa8+U59+JVcQvvA2CMbqiTEj5trCsdvDejb1R0u2V?= =?us-ascii?Q?ArFuu8P6IZsNsKOa25LdV2rDvRxwZjBlLEP9HldHYttIdXtu6s4TGZpeDf4+?= =?us-ascii?Q?g+JwfMByItlqQbiwsg13npO0F8M+BTYkkrllkz13A6kN+j5M9RoF8NPyOzkn?= =?us-ascii?Q?MN0tBeqEwxR2rGJhgF2RPykJ2MdT63RFQlqH?= 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)(36860700013)(82310400026)(1800799024)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Apr 2025 12:06:35.3395 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 02c1ea57-0d67-4ae4-8277-08dd7cdf2286 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: MN1PEPF0000F0E1.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB8947 This patch series adds support for NVIDIA's Voltage Regulator Specification (VRS) Power Sequencer (PSEQ) controller. This controller includes a PSEQ hardware block, that manages power sequencing and voltage regulation for various components in the system. This controller also provides 32kHz RTC support with backup battery for system timing. The series includes: - Device tree bindings for the VRS PSEQ controller - MFD driver to handle the core functionality - RTC driver for the PSEQ's real-time clock functionality - Device tree nodes for Tegra234 platforms - Configuration updates to enable the driver Shubhi Garg (5): dt-bindings: mfd: add bindings for NVIDIA VRS PSEQ arm64: tegra: Add device-tree node for NVVRS PSEQ mfd: nvvrs: add NVVRS PSEQ MFD driver rtc: nvvrs: add NVIDIA VRS PSEQ RTC device driver arm64: defconfig: enable NVIDIA VRS PSEQ .../bindings/mfd/nvidia,vrs-pseq.yaml | 61 ++ .../arm64/boot/dts/nvidia/tegra234-p3701.dtsi | 11 + .../arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 17 + arch/arm64/configs/defconfig | 2 + drivers/mfd/Kconfig | 12 + drivers/mfd/Makefile | 1 + drivers/mfd/nvidia-vrs-pseq.c | 279 +++++++++ drivers/rtc/Kconfig | 10 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-nvidia-vrs-pseq.c | 559 ++++++++++++++++++ include/linux/mfd/nvidia-vrs-pseq.h | 127 ++++ 11 files changed, 1080 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/nvidia,vrs-pseq.yaml create mode 100644 drivers/mfd/nvidia-vrs-pseq.c create mode 100644 drivers/rtc/rtc-nvidia-vrs-pseq.c create mode 100644 include/linux/mfd/nvidia-vrs-pseq.h -- 2.25.1