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Mon, 27 Apr 2026 00:34:26 -0700 Received: from build-amhetre-focal-20250829.internal (10.127.8.12) by mail.nvidia.com (10.126.190.180) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Mon, 27 Apr 2026 00:34:26 -0700 From: Ashish Mhetre To: , , , <=thierry.reding@kernel.org>, , CC: , , , Ashish Mhetre Subject: [PATCH V2 0/2] memory: tegra: Add Tegra238 memory controller support Date: Mon, 27 Apr 2026 07:34:17 +0000 Message-ID: <20260427073419.567360-1-amhetre@nvidia.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: devicetree@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: BL02EPF0001A0FC:EE_|CH1PPF12253E83C:EE_ X-MS-Office365-Filtering-Correlation-Id: c2c5e957-f5b0-4787-dfe1-08dea42f7000 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700016|82310400026|1800799024|18002099003|56012099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 9oZLoia/QBpRt53yyylI7Y5AL/V68anOSU21pdEiRSVlljR/acw/ZcGgg1cGILRNPTVV6NZvRsRJf3TzvHFeofZ1U+zwzGxsUsMluiobYB8wDdvX3KpO+xxwySsRtC/1nVCe6dSSMfWAYeYQzYqEDknfl3+YCqYHsHvGGjp2RoZ/9zsJ6Les5OcKe0fbA5NrLa0e1X9CcdleUGbEDTffpQq3hA0on4Rj7M/UKlcL7IhM/B1tghS6EMeEnzsJ1mFVV8gaItr7Ua2lTTxfo+iL5AEh4hQLzDEKDYyd/7PqcDAl60Lfv+mndfsnHaVSlUoQcYL08BqFJnmjmdlKe/al5oN4LZEl075rCKqpkt86M61GbMRyE0dcNN4ojtEdwPvOOxSP6qlbRuaHkr0uFUn1yYdkMK4K8ZFPBuXvLA3wDrNXY4P/dgeESXX8kjDwXqQl X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Apr 2026 07:34:38.0646 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c2c5e957-f5b0-4787-dfe1-08dea42f7000 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A0FC.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH1PPF12253E83C This series adds Memory Controller driver support for the Tegra238 SoC. Tegra238 is similar to Tegra234 but with a reduced memory controller configuration featuring 8 channels instead of 16. The driver reuses Tegra234 memory client IDs and ICC operations, with Tegra238-specific stream IDs for SMMU configuration. Changes in V2: - Reorder patches: dt-bindings patch first, driver patch second - Resolve tegra238 build dependency on CONFIG_ARCH_TEGRA_234_SOC - Remove lite carveouts comment from tegra238_mc_soc Ashish Mhetre (2): dt-bindings: memory: tegra: Add nvidia,tegra238-mc compatible memory: tegra: Add T238 MC support .../nvidia,tegra186-mc.yaml | 31 ++ drivers/memory/tegra/Makefile | 1 + drivers/memory/tegra/mc.c | 3 + drivers/memory/tegra/mc.h | 9 + drivers/memory/tegra/tegra234.c | 2 +- drivers/memory/tegra/tegra238.c | 391 ++++++++++++++++++ .../dt-bindings/memory/nvidia,tegra238-mc.h | 74 ++++ 7 files changed, 510 insertions(+), 1 deletion(-) create mode 100644 drivers/memory/tegra/tegra238.c create mode 100644 include/dt-bindings/memory/nvidia,tegra238-mc.h -- 2.50.1