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Thu, 9 Apr 2026 03:58:00 -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 , Sakari Ailus , Wolfram Sang , Miquel Raynal , , , , , , CC: Akhil R Subject: [PATCH v2 00/13] Support ACPI and SETAASA device discovery Date: Thu, 9 Apr 2026 16:27:30 +0530 Message-ID: <20260409105747.48158-1-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 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: CH1PEPF0000AD7D:EE_|DS2PR12MB9639:EE_ X-MS-Office365-Filtering-Correlation-Id: 463c19b9-d794-4bca-127b-08de9626e973 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|7416014|376014|36860700016|18002099003|921020|56012099003; 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)(82310400026)(1800799024)(7416014)(376014)(36860700016)(18002099003)(921020)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: /HogXwtXOwLrBaO5sjYi0eLKMBnf+UIwSMxSjBgoqe7pIy4bOFYRyApXigZhNFV9Het0ogdstd9Oxxo7bFuB2cLcq7skgPHXFhKcG1jsmMJ3sGs6FdECw54sU0CpHTgBGD/etpW3/aCCdxqr2JhsCmECOFxJkq7cSniri60gGzMl+0Hej3/jgtKLrBZzysMFX3eeqRtF4fIpmfuVQbfJKFhBwb815SdzsEpM1ezEQhYTaahf55RfBXaUKQJhlOZiP4e29D4wMbLo+NT5pOWsRR+LfvBbxKUDW9S8T7g+kUqeIhuXjM8GGywsI/TyQ5HcTbG75UOO0Bxg3wohmP674rP2qkARTmxGxnOWEmKLeYePpOdfqjVtugc4hUT+vjgp07kQs6MIwUUStwDZRHUFsuovV5s5vOS962fc6Y2ejkuGk7LvdopRA1c+zuukmYB9 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Apr 2026 10:58:20.1071 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 463c19b9-d794-4bca-127b-08de9626e973 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: CH1PEPF0000AD7D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS2PR12MB9639 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. v1->v2: * Added patch to remove 16-bit addressing support for SPD5118 * Guard ACPI calls with #ifdef CONFIG_ACPI * Remove CONFIG_OF guard for of_alias_get_highest_id() * Mask mipi-i3c-static-method in the driver to select only valid values. * Proceed to register other devices if SETAASA is not supported. * Update commit message and links in the description of multiple commits. Akhil R (13): 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 of child devices 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: Remove 16-bit addressing 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 | 9 +- drivers/hwmon/spd5118.c | 119 +++--- drivers/i3c/master.c | 353 +++++++++++++++--- drivers/i3c/master/dw-i3c-master.c | 69 ++-- include/acpi/acrestyp.h | 1 + include/linux/i3c/ccc.h | 1 + include/linux/i3c/master.h | 22 +- 10 files changed, 461 insertions(+), 152 deletions(-) -- 2.50.1