From nobody Mon Feb 9 01:46:04 2026 Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazon11013048.outbound.protection.outlook.com [40.93.201.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBD6C3815DB; Tue, 13 Jan 2026 09:05:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.93.201.48 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768295141; cv=fail; b=WS4e6OS6KM3WGgf0zWLXOQSHN9b44bz4/Sk0Wes8exuiKiuGUcz2BLFUNjqHieg7wpVopMo/K6aI2bGso3ADU9+eTm+lrfOEm4W/SLfzeK4bHNaARqrT4YujRv0INziZwWkiY2+mdh6b7+9wTxT8tUU2iQEI1gT6JttAvv/fhyQ= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768295141; c=relaxed/simple; bh=VlChWv+SWUvX82xG5aeAQ8+rne/mT/2w55CUMJIzmc8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=F40DQtanUqwdRZYkj4fCF3H0+9x4LkKYWBTL6MmhbeM/jcZs4MBO0Q3boeTpzOE9je1+HdxGqT8EMGMSwg40nOtPIyoLgyk4atX5ke1rBQ/QuahlK2zZrbcfcXIJ+lek2inrrGz8KAhRzenr32cwhgHNM++IxQm0eEVgx4Kb52w= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=ekrBxB4T; arc=fail smtp.client-ip=40.93.201.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="ekrBxB4T" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=JuYwxjVURJ1lVZJH6Fegd6EP+obKNz5g4Onck/PZtkAX2O/N9854KBUNcmfADtbFWDdtzK/DjMJcorkhTmi9uYm0obTf23ekg+Xk/TgsZGu6bLiIPyuujrpXFev3uLJqAlSGSnYh8RZQpT4QHAAE0+4h9fqRKrpIRyMuY1ZZXjeasBLd4ws+Rb/AknlO3gt5d4qBk0lVeA6hDee71KKc9HQ3Ginp7Hkc+Dy2XiG8fyBsu9/2yybMZGnS/WDbRUqXuvgR+cdGoxj09K4dlGYdvVf9uTmrzZpEe74i89vQky+GWhBo6LjEWnNy1yHDSkobWLVoq/nOTTu1fDlRQ+oIuw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=KoKJws9esb103P32N2XcT09MHvHiZP/WdpHJGWFeku8=; b=RIVUf9l49yNUjaIhKlpHvZEqMVfqRkNs5cfnFczBdmF+1e24/yXD04drikDQ36IFF+HrsmIXJ3UV01F2ptGxhbjkXJ4gueWcvwd/VtFHdnfG5DpH64oX7ydcligIUFPRjqLkIaARcUjfjtKHqyf6Mkszv6wZKHHzneyP88jfyEmlL7LcEdo40t6vc0UDTKdPdm999YuS2bWUA36thdahKbxkAfRKQ3FTWsWJUqBHjOtqSAEaAkh/ef9mrVfAdxcVb6Fb+1tQnezT8jk+DpJpE5sjcYXc9nn5xQZ5bz4W38vAU12nLbVN539/6ktllbqmmfcNqZdqai6PZMGAzUWZ/g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.232) smtp.rcpttodomain=gmail.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=KoKJws9esb103P32N2XcT09MHvHiZP/WdpHJGWFeku8=; b=ekrBxB4Tm/Pp4e4IUgFKk/k3XvQof+yvMExq7PZCWET8UY8EKj+BztSzNK0hbggsQeioRXi5Q7I9uzDdv9JhERtvogW31lP2Y3kJyg7lakXGVvyIBCir/1mQlDWjAL/SW/Aoy7ZRsogXJ/kmVJcNUqO8aLjNhqV6VEVBtBgRm3JaWk8nINAyQTIhfLJNCfOFL4Kfz1Js6RNGW9cuufIXRCYFBjFOorunlf9lGEuXZoH0cwvf7UBg0gFgCainzzjKqCQGH3JRqICgtdQpnDbJJXObRBf2uFeRiDdNF1txQKv6f9HHKfk0wc9IwkPJSOsPJ83pFEBvBzJPV1HW3oFmPg== Received: from BYAPR21CA0030.namprd21.prod.outlook.com (2603:10b6:a03:114::40) by CH2PR12MB4200.namprd12.prod.outlook.com (2603:10b6:610:ac::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9499.7; Tue, 13 Jan 2026 09:05:32 +0000 Received: from SJ5PEPF000001EB.namprd05.prod.outlook.com (2603:10b6:a03:114:cafe::69) by BYAPR21CA0030.outlook.office365.com (2603:10b6:a03:114::40) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9542.1 via Frontend Transport; Tue, 13 Jan 2026 09:05:31 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.232) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.118.232 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.232; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.232) by SJ5PEPF000001EB.mail.protection.outlook.com (10.167.242.199) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.1 via Frontend Transport; Tue, 13 Jan 2026 09:05:31 +0000 Received: from drhqmail202.nvidia.com (10.126.190.181) by mail.nvidia.com (10.127.129.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 13 Jan 2026 01:05:22 -0800 Received: from drhqmail201.nvidia.com (10.126.190.180) by drhqmail202.nvidia.com (10.126.190.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 13 Jan 2026 01:05:21 -0800 Received: from kkartik-desktop.nvidia.com (10.127.8.13) by mail.nvidia.com (10.126.190.180) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Tue, 13 Jan 2026 01:05:18 -0800 From: Kartik Rajput To: , , , , , , , , , CC: Kartik Rajput Subject: [PATCH v6 4/4] i2c: tegra: Add support for Tegra410 Date: Tue, 13 Jan 2026 14:34:57 +0530 Message-ID: <20260113090457.41689-5-kkartik@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260113090457.41689-1-kkartik@nvidia.com> References: <20260113090457.41689-1-kkartik@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001EB:EE_|CH2PR12MB4200:EE_ X-MS-Office365-Filtering-Correlation-Id: 96a9a806-941e-40a3-d061-08de5282e7bc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024|921020; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?gr5XDvw6f2keLQ6b1Kzg614o9ACE1vY8VMrj2GwsKyAmJQcdjjDgRfZUy/xZ?= =?us-ascii?Q?dI55+XA6WB+BRhtYQZ1RYiGH9bb/f2ifQISsm6lPsLH7vOTEaz3EEckMpage?= =?us-ascii?Q?jLYSLqSVWF4R3zvs0enmY3/TXKWmr0IA9e/2s5xholewzxpY4sMkUCxx1gPV?= =?us-ascii?Q?+bvWb8+ofntam1fBuRcutAnqhpjt3XAJFHKqBZ0NIvyvpBCgExsC4cZ817lq?= =?us-ascii?Q?1MPpQCl3Ha/TKo0yBRyfRLS8oyGDuxYuSnmGm+v6681svvNVdLsltSrMYwl2?= =?us-ascii?Q?FuSpaK5lLJEkSpKgmVtyGbNkqyJvDs9ePe6B7W1u9mkvwrtIRe+UfGt8HHXD?= =?us-ascii?Q?Uc8JovIqG8rrY8vmwkzukWlkoyZ3f2HiKkbTeusgH1bkv9QbB4/jJxlFnTpW?= =?us-ascii?Q?8DLfCnYwmNDkEP5ytalCVM6Np7IKIc1Mz9TM42eetj0t6DfpuHe0wkxbcckB?= =?us-ascii?Q?g470bx/+Tw2JU3YhkeQBIxvqpcxJcNZshcm05z8rRf7gZ/srKkFksW8R8/S3?= =?us-ascii?Q?w5FR9Bomab9zmJyuRt8uNEXBzg5ap23A0ceK2LIv8yp5LeNCrzkw/415TPt0?= =?us-ascii?Q?6qR/6P2YNw/z/A9oRdJ2s94DoehA7L3WyuJLKx+LVbbnP5hANJ1fzeWGSDP0?= =?us-ascii?Q?2fAuZbqP0NTBeHmm4vcZy2YNfak8bVuvGsDwk6Ro/lkYypbBPLEa7nfsQCEL?= =?us-ascii?Q?UgvFw1nKc67Cjgb+5WEXTlVuSIk4lhSTCn1geObLIPjL/N4hZ+v5KOw8nrRE?= =?us-ascii?Q?tONEqWffbJvSHdcTMxtVAa8pzZb1pQNaeKpZCRdkMYwKEGMPX1xqooc56UUp?= =?us-ascii?Q?y0BI5e3kVAfDsCjxmnfexrRb3Qa1BTaYDYKmzYgZqMyAvuyU3v5NZ7qdpd/y?= =?us-ascii?Q?cgtl8on5uZqqbcDzYxlGajNGBjbuYEintEFC1C3pN23byHqbQQpmBjFepTMH?= =?us-ascii?Q?23FdjsJfRMEZnLsg2W5pUAhII3Ds+rPY7iG/bevNwaTTNXICQcxvNGJSdLbX?= =?us-ascii?Q?a055+/zUI5HGNKWRAkLPtjDms8Ubf37PW5+fBjSpYEBBuW8sxZrtnQ9UeO4r?= =?us-ascii?Q?7TmyKVHhv/93oYucmhv0uh+XP6hrRg6tzPciT7OKXfO80pNVBvs7WXgn7L5/?= =?us-ascii?Q?1VzVRBe1SiZCThM4cYzLAKEff2wMWDT+qbknn9UbYqrSr22AJzAEpGFJcA9Q?= =?us-ascii?Q?V/ag3TfrxLq8k8FIKjg5Ik2+1zXVnSMwp90cY2LLhjqGqyqDn0tBcFBvbUor?= =?us-ascii?Q?6tuEuNsb8CGHPk86Q+YKsJk7UooYc96Mt7hjs1oifh3+9riIMQG7VZMdeBNs?= =?us-ascii?Q?5RYq4A6MYchh7fCT5ipkoUfCFltSJS70S/sejiw33EVj2saAt2q4rX2gHr/a?= =?us-ascii?Q?AT9La1MhyGJUDFGjlfgzaFBQo+6Pc80WGUJMooUZ8sAEcvDjZwU/oHWw12r/?= =?us-ascii?Q?5dayzGh5TOhuffpEYffRsRox9jW53jLDyiHPhY+BEvv8IakzSbMdiaxftr50?= =?us-ascii?Q?PAAvFYxBDybJEzdNEaB6Cd1k5LKE0pkGjLZexvywG4s0x0GpICk+V4dom+p4?= =?us-ascii?Q?CdCgP7c++XZgFjlbvWsfOTcBzGsudcy0gN7hF7yA?= X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(376014)(1800799024)(921020);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jan 2026 09:05:31.9875 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 96a9a806-941e-40a3-d061-08de5282e7bc X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001EB.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4200 Content-Type: text/plain; charset="utf-8" Add support for the Tegra410 SoC, which has 4 I2C controllers. The controllers are feature-equivalent to Tegra264; only the register offsets differ. Signed-off-by: Kartik Rajput --- Changes in v3: * Updated timing parameters for Tegra410. --- drivers/i2c/busses/i2c-tegra.c | 63 ++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 81a25c00ac5d..255d8f8f9e5a 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -275,6 +275,34 @@ static const struct tegra_i2c_regs tegra264_i2c_regs = =3D { .sw_mutex =3D 0x0ec, }; =20 +static const struct tegra_i2c_regs tegra410_i2c_regs =3D { + .cnfg =3D 0x000, + .status =3D 0x01c, + .sl_cnfg =3D 0x020, + .sl_addr1 =3D 0x02c, + .sl_addr2 =3D 0x030, + .tx_fifo =3D 0x054, + .rx_fifo =3D 0x058, + .packet_transfer_status =3D 0x05c, + .fifo_control =3D 0x060, + .fifo_status =3D 0x064, + .int_mask =3D 0x068, + .int_status =3D 0x06c, + .clk_divisor =3D 0x070, + .bus_clear_cnfg =3D 0x088, + .bus_clear_status =3D 0x08c, + .config_load =3D 0x090, + .clken_override =3D 0x094, + .interface_timing_0 =3D 0x098, + .interface_timing_1 =3D 0x09c, + .hs_interface_timing_0 =3D 0x0a0, + .hs_interface_timing_1 =3D 0x0a4, + .master_reset_cntrl =3D 0x0ac, + .mst_fifo_control =3D 0x0b8, + .mst_fifo_status =3D 0x0bc, + .sw_mutex =3D 0x0f0, +}; + /* * msg_end_type: The bus control which needs to be sent at end of transfer. * @MSG_END_STOP: Send stop pulse. @@ -2082,6 +2110,40 @@ static const struct tegra_i2c_hw_feature tegra264_i2= c_hw =3D { .regs =3D &tegra264_i2c_regs, }; =20 +static const struct tegra_i2c_hw_feature tegra410_i2c_hw =3D { + .has_continue_xfer_support =3D true, + .has_per_pkt_xfer_complete_irq =3D true, + .clk_divisor_hs_mode =3D 1, + .clk_divisor_std_mode =3D 0x3f, + .clk_divisor_fast_mode =3D 0x2c, + .clk_divisor_fast_plus_mode =3D 0x11, + .has_config_load_reg =3D true, + .has_multi_master_mode =3D true, + .has_slcg_override_reg =3D true, + .has_mst_fifo =3D true, + .has_mst_reset =3D true, + .quirks =3D &tegra194_i2c_quirks, + .supports_bus_clear =3D true, + .has_apb_dma =3D false, + .tlow_std_mode =3D 0x8, + .thigh_std_mode =3D 0x7, + .tlow_fast_mode =3D 0x2, + .thigh_fast_mode =3D 0x2, + .tlow_fastplus_mode =3D 0x2, + .thigh_fastplus_mode =3D 0x2, + .tlow_hs_mode =3D 0x8, + .thigh_hs_mode =3D 0x6, + .setup_hold_time_std_mode =3D 0x08080808, + .setup_hold_time_fast_mode =3D 0x02020202, + .setup_hold_time_fastplus_mode =3D 0x02020202, + .setup_hold_time_hs_mode =3D 0x0b0b0b, + .has_interface_timing_reg =3D true, + .enable_hs_mode_support =3D true, + .has_mutex =3D true, + .variant =3D TEGRA_I2C_VARIANT_DEFAULT, + .regs =3D &tegra410_i2c_regs, +}; + static const struct of_device_id tegra_i2c_of_match[] =3D { { .compatible =3D "nvidia,tegra264-i2c", .data =3D &tegra264_i2c_hw, }, { .compatible =3D "nvidia,tegra256-i2c", .data =3D &tegra256_i2c_hw, }, @@ -2392,6 +2454,7 @@ static const struct acpi_device_id tegra_i2c_acpi_mat= ch[] =3D { {.id =3D "NVDA0101", .driver_data =3D (kernel_ulong_t)&tegra210_i2c_hw}, {.id =3D "NVDA0201", .driver_data =3D (kernel_ulong_t)&tegra186_i2c_hw}, {.id =3D "NVDA0301", .driver_data =3D (kernel_ulong_t)&tegra194_i2c_hw}, + {.id =3D "NVDA2017", .driver_data =3D (kernel_ulong_t)&tegra410_i2c_hw}, { } }; MODULE_DEVICE_TABLE(acpi, tegra_i2c_acpi_match); --=20 2.43.0