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Tue, 5 May 2026 04:00:11 -0700 From: Akhil R To: Laxman Dewangan , Dmitry Osipenko , Andi Shyti , Thierry Reding , Jonathan Hunter , "Kartik Rajput" , Wolfram Sang , , , CC: , Akhil R Subject: [PATCH 3/4] i2c: tegra: Update Tegra410 I2C timing parameters Date: Tue, 5 May 2026 16:29:27 +0530 Message-ID: <20260505105928.38457-4-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260505105928.38457-1-akhilrajeev@nvidia.com> References: <20260505105928.38457-1-akhilrajeev@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 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECDA:EE_|SN7PR12MB8819:EE_ X-MS-Office365-Filtering-Correlation-Id: 5fac295a-2d2f-43c6-b4f0-08deaa958f2e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700016|1800799024|376014|921020|56012099003|22082099003|18002099003; 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This adjusts the fast mode and HS mode settings to be compliant with the I2C specification. Fixes: 59717f260183 ("i2c: tegra: Add support for Tegra410") Signed-off-by: Akhil R --- drivers/i2c/busses/i2c-tegra.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 1d274431e209..0c26139b4721 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -2137,9 +2137,9 @@ static const struct tegra_i2c_hw_feature tegra264_i2c_hw = { static const struct tegra_i2c_hw_feature tegra410_i2c_hw = { .has_continue_xfer_support = true, .has_per_pkt_xfer_complete_irq = true, - .clk_divisor_hs_mode = 1, + .clk_divisor_hs_mode = 2, .clk_divisor_std_mode = 0x3f, - .clk_divisor_fast_mode = 0x2c, + .clk_divisor_fast_mode = 0x2f, .clk_divisor_fast_plus_mode = 0x11, .has_config_load_reg = true, .has_multi_master_mode = true, @@ -2155,8 +2155,8 @@ static const struct tegra_i2c_hw_feature tegra410_i2c_hw = { .thigh_fast_mode = 0x2, .tlow_fastplus_mode = 0x2, .thigh_fastplus_mode = 0x2, - .tlow_hs_mode = 0x8, - .thigh_hs_mode = 0x6, + .tlow_hs_mode = 0x5, + .thigh_hs_mode = 0x2, .setup_hold_time_std_mode = 0x08080808, .setup_hold_time_fast_mode = 0x02020202, .setup_hold_time_fastplus_mode = 0x02020202, -- 2.50.1