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Thu, 9 Apr 2026 03:59:59 -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 08/13] i3c: dw-i3c-master: Add SETAASA as supported CCC Date: Thu, 9 Apr 2026 16:27:38 +0530 Message-ID: <20260409105747.48158-9-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260409105747.48158-1-akhilrajeev@nvidia.com> References: <20260409105747.48158-1-akhilrajeev@nvidia.com> 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: CH1PEPF0000AD83:EE_|DSWPR12MB999151:EE_ X-MS-Office365-Filtering-Correlation-Id: 15baec37-9d19-43cd-c12e-08de962732d5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|7416014|1800799024|36860700016|921020|22082099003|56012099003|18002099003; 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)(376014)(7416014)(1800799024)(36860700016)(921020)(22082099003)(56012099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: hHFeMEA2SPhALxtSs7b3V/ndq/W/MhR9m7O1KI4N7MLrJujRO2pFe8Zx/syLwz6G4y4CEHrpQLyCAgKXzUOrGRjElDMULeSzGLMgHujyzEBgNo49wr4jyc1pjmxjvItCYekbLmthcDLtpdzyUySVW1e2C9F9WnGQB34wrsqxkrZB2AmbpbGSlkqt/zQPWlIMR/JGxggdSKRygnZClrSCpi1qEKu2n4NInO4dmFsOuVnt2m9QWKXr+br8OZNIxQ/NDkOmssH7NVywrdZg1BVjqbzZD+MrmNukJF0cjdxo1CdDeS+VOXaSNsfRakF/KZ+irUSC6JVBuwz1hP+ib/LwMgckr/JjMbPytYCYo5yf0WbLCOJLjhVzwuLdaEA90roaPiwE/2Tq0uWlhvTx/4mLexsi0BTdaxakWXSnyrTVhkouYryIpIl1s8SVNbtIJlNf X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Apr 2026 11:00:23.2287 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 15baec37-9d19-43cd-c12e-08de962732d5 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: CH1PEPF0000AD83.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DSWPR12MB999151 Add SETAASA and SETHID to the supported list of CCC commands for DesignWare I3C host controller. SETAASA is a broadcast command that assigns predefined static addresses to all I3C devices on the bus. SETHID is to stop HID bit flipping by the SPD Hub on which the SPD devices are connected. It is a prerequisite command to be sent before SETAASA as recommended by JESD300-5 and JESD403 sideband bus specifications. Signed-off-by: Akhil R --- drivers/i3c/master/dw-i3c-master.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index d6bdb32397fb..05ccdf177b6d 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -308,6 +308,8 @@ static bool dw_i3c_master_supports_ccc_cmd(struct i3c_master_controller *m, case I3C_CCC_GETSTATUS: case I3C_CCC_GETMXDS: case I3C_CCC_GETHDRCAP: + case I3C_CCC_SETAASA: + case I3C_CCC_VENDOR(0, true): /* SETHID */ return true; default: return false; -- 2.50.1