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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT025.mail.protection.outlook.com (10.13.172.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5227.15 via Frontend Transport; Tue, 10 May 2022 05:25:41 +0000 Received: from jatayu.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 10 May 2022 00:25:38 -0500 From: Sanket Goswami To: , , , CC: Sanket Goswami Subject: [PATCH 1/2] ucsi_ccg: ACPI based I2c client enumeration for AMD ASICs Date: Tue, 10 May 2022 10:54:36 +0530 Message-ID: <20220510052437.3212186-2-Sanket.Goswami@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220510052437.3212186-1-Sanket.Goswami@amd.com> References: <20220510052437.3212186-1-Sanket.Goswami@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 538bf712-1b35-4b0e-381c-08da3245863a X-MS-TrafficTypeDiagnostic: PH0PR12MB5607:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 May 2022 05:25:41.1503 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 538bf712-1b35-4b0e-381c-08da3245863a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT025.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5607 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Some of the AMD platforms have Cypress CCGX PD controller connected to system I2C i.e designware I2C controller. Added support to enumerate the CCGX client by adding ACPI ID to the firmware. Signed-off-by: Sanket Goswami --- drivers/usb/typec/ucsi/ucsi_ccg.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index 6db7c8ddd51c..7585599bacfd 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -1418,6 +1418,12 @@ static const struct i2c_device_id ucsi_ccg_device_id[] = { }; MODULE_DEVICE_TABLE(i2c, ucsi_ccg_device_id); +static const struct acpi_device_id amd_i2c_ucsi_match[] = { + {"AMDI0042"}, + {} +}; +MODULE_DEVICE_TABLE(acpi, amd_i2c_ucsi_match); + static int ucsi_ccg_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -1459,6 +1465,7 @@ static struct i2c_driver ucsi_ccg_driver = { .name = "ucsi_ccg", .pm = &ucsi_ccg_pm, .dev_groups = ucsi_ccg_groups, + .acpi_match_table = amd_i2c_ucsi_match, }, .probe = ucsi_ccg_probe, .remove = ucsi_ccg_remove, -- 2.25.1