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Thu, 31 Jul 2025 02:11:45 -0700 From: Akhil R To: , , , , , , , , , CC: , , Subject: [PATCH 1/2] dt-bindings: i2c: nvidia,tegra20-i2c: Add Tegra256 I2C compatible Date: Thu, 31 Jul 2025 14:41:21 +0530 Message-ID: <20250731091122.53921-2-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250731091122.53921-1-akhilrajeev@nvidia.com> References: <20250731091122.53921-1-akhilrajeev@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF000023D9:EE_|LV3PR12MB9266:EE_ X-MS-Office365-Filtering-Correlation-Id: 5a22e6d6-c701-468d-6ab4-08ddd0125199 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|36860700013|82310400026|1800799024|921020; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Jul 2025 09:12:05.3221 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5a22e6d6-c701-468d-6ab4-08ddd0125199 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: SJ1PEPF000023D9.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR12MB9266 Content-Type: text/plain; charset="utf-8" Add compatible for Tegra256 I2C controllers. Tegra256 consists of 8 generic Tegra I2C controllers similar to previous generations. The parent clock frequency is different in these controllers and hence the timing parameter values are different from the previous ones. Signed-off-by: Akhil R Acked-by: Rob Herring (Arm) Acked-by: Thierry Reding --- .../devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml = b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml index 6b6f6762d122..6f58eb79a7b3 100644 --- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml @@ -80,6 +80,11 @@ properties: support for 64 KiB transactions whereas earlier chips supported = no more than 4 KiB per transactions. const: nvidia,tegra194-i2c + - description: | + Tegra256 has 8 generic I2C controllers. The controllers are simi= lar to + the previous generations, but have a different parent clock and = hence + the timing parameters are configured differently. + const: nvidia,tegra256-i2c =20 reg: maxItems: 1 @@ -186,6 +191,7 @@ allOf: contains: enum: - nvidia,tegra194-i2c + - nvidia,tegra256-i2c then: required: - resets --=20 2.50.1