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Wed, 18 Mar 2026 10:28:36 -0700 From: Akhil R To: Alexandre Belloni , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "Rafael J . Wysocki" , Robert Moore , "Len Brown" , Guenter Roeck , Philipp Zabel , Eric Biggers , "Fredrik Markstrom" , Miquel Raynal , Thierry Reding , "Jon Hunter" , Suresh Mangipudi , , , , , , , CC: Akhil R Subject: [PATCH 00/12] i3c: Support ACPI and SETAASA device discovery Date: Wed, 18 Mar 2026 22:57:13 +0530 Message-ID: <20260318172820.13771-1-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-hwmon@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: DM2PEPF00003FC6:EE_|MW6PR12MB8865:EE_ X-MS-Office365-Filtering-Correlation-Id: 58d55e1d-ae58-49ca-a505-08de8513d6b8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|36860700016|1800799024|376014|82310400026|18002099003|56012099003|921020; X-Microsoft-Antispam-Message-Info: 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 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)(7416014)(36860700016)(1800799024)(376014)(82310400026)(18002099003)(56012099003)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: G/fkhBe8M/g/1EhpytxjkyEdbQ7oIJ7dzh6omUbaSnKBhG9yjk4eMOuIs+SZvhNjUJdHBZxo3FmqPCUHbjcubv/BJ/GkEi0VKvJGR6qHVSmBM51QukHmiAUnmvtuzr2i8tcZJ9qU1RrB6A1YxNpqeu0IhSPElOz4bgRi3JdvftDHCQ65xIRENLVXmkqArqZAOsKKDML13piLPyD5H2Nzii7gV+EYfiwyUnmsvIC4HTa1OZM3HH7ZHmoOyVGM+eMl3zppeDmk5foPqTJA8W10LNp8Kiq0H5+GNjuKFqcWQ4MkhGctOOzIUYiKz8ftE7Fy5lEwns05K7l7yrasckLJNgynMvtTpQjH+RNxxRjh8uxi28CDWuxFFwSkHFuEcO3jQu2ePgRW2tM8iBa4+W0uhXrzico+m4799cYTHhGVRr2JOw+mr+anhNitomtDupUJ X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2026 17:28:58.5029 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 58d55e1d-ae58-49ca-a505-08de8513d6b8 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: DM2PEPF00003FC6.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW6PR12MB8865 This patch series adds SETAASA device discovery to the I3C subsystem, enabling support for SPD5118 temperature sensors found on DDR5 memory modules. The changes also add ACPI support for all existing DAA methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus. SPD5118 and similar devices on DDR5 memory modules differ from typical I3C devices in their initialization. They use SETAASA broadcast CCC instead of ENTDAA for address assignment, and per JEDEC specification, are not required to have a Provisioned ID or implement standard device information CCC commands (GETPID, GETDCR, GETBCR). The series enables to describe all I3C and I2C devices on both Device Tree and the ACPI table, using unified device property APIs throughout the I3C core and the Synopsys DesignWare I3C master driver. Please note that the series modifies drivers across multiple subsystems, like Device Tree bindings, ACPI, I3C and HWMON. Akhil R (12): dt-bindings: i3c: Add mipi-i3c-static-method to support SETAASA ACPICA: Read LVR from the I2C resource descriptor i3c: master: Use unified device property interface i3c: master: Support ACPI enumeration i3c: master: Add support for devices using SETAASA i3c: master: Add support for devices without PID i3c: master: match I3C device through DT and ACPI i3c: dw-i3c-master: Add SETAASA as supported CCC i3c: dw-i3c-master: Add a quirk to skip clock and reset i3c: dw-i3c-master: Add ACPI ID for Tegra410 hwmon: spd5118: Add I3C support arm64: defconfig: Enable I3C and SPD5118 hwmon .../devicetree/bindings/i3c/i3c.yaml | 30 +- arch/arm64/configs/defconfig | 3 + drivers/acpi/acpica/rsserial.c | 6 +- drivers/hwmon/Kconfig | 7 +- drivers/hwmon/spd5118.c | 66 +++- drivers/i3c/master.c | 327 +++++++++++++++--- drivers/i3c/master/dw-i3c-master.c | 66 ++-- include/acpi/acrestyp.h | 1 + include/linux/i3c/ccc.h | 1 + include/linux/i3c/master.h | 22 +- 10 files changed, 439 insertions(+), 90 deletions(-) -- 2.50.1