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Mon, 9 Jun 2025 02:34:42 -0700 From: Kartik Rajput To: , , , , , , , , , , , , Subject: [PATCH v3 5/5] i2c: tegra: Add Tegra264 support Date: Mon, 9 Jun 2025 15:04:20 +0530 Message-ID: <20250609093420.3050641-6-kkartik@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250609093420.3050641-1-kkartik@nvidia.com> References: <20250609093420.3050641-1-kkartik@nvidia.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN3PEPF0000B36F:EE_|IA1PR12MB8587:EE_ X-MS-Office365-Filtering-Correlation-Id: 2ee41f68-5006-4a66-53bb-08dda738e668 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|7416014|376014|36860700013|82310400026|921020; X-Microsoft-Antispam-Message-Info: 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 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)(1800799024)(7416014)(376014)(36860700013)(82310400026)(921020); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2025 09:34:58.0177 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2ee41f68-5006-4a66-53bb-08dda738e668 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: BN3PEPF0000B36F.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB8587 Add support for Tegra264 SoC which supports 17 generic I2C controllers, two of which are in the AON (always-on) partition of the SoC. Tegra264 I2C supports all the features supported by Tegra194 I2C controllers. Signed-off-by: Akhil R Signed-off-by: Kartik Rajput --- drivers/i2c/busses/i2c-tegra.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index dae59e9e993b..6cdf44e7d3ca 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -1774,7 +1774,36 @@ static const struct tegra_i2c_hw_feature tegra194_i2c_hw = { .has_mutex = false, }; +static const struct tegra_i2c_hw_feature tegra264_i2c_hw = { + .has_continue_xfer_support = true, + .has_per_pkt_xfer_complete_irq = true, + .clk_divisor_hs_mode = 1, + .clk_divisor_std_mode = 0x1d, + .clk_divisor_fast_mode = 0x15, + .clk_divisor_fast_plus_mode = 0x8, + .has_config_load_reg = true, + .has_multi_master_mode = true, + .has_slcg_override_reg = true, + .has_mst_fifo = true, + .quirks = &tegra194_i2c_quirks, + .supports_bus_clear = true, + .has_apb_dma = false, + .tlow_std_mode = 0x8, + .thigh_std_mode = 0x7, + .tlow_fast_fastplus_mode = 0x2, + .thigh_fast_fastplus_mode = 0x2, + .tlow_hs_mode = 0x4, + .thigh_hs_mode = 0x2, + .setup_hold_time_std_mode = 0x08080808, + .setup_hold_time_fast_fast_plus_mode = 0x02020202, + .setup_hold_time_hs_mode = 0x090909, + .has_interface_timing_reg = true, + .has_hs_mode_support = true, + .has_mutex = true, +}; + static const struct of_device_id tegra_i2c_of_match[] = { + { .compatible = "nvidia,tegra264-i2c", .data = &tegra264_i2c_hw, }, { .compatible = "nvidia,tegra194-i2c", .data = &tegra194_i2c_hw, }, { .compatible = "nvidia,tegra186-i2c", .data = &tegra186_i2c_hw, }, #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)