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Tue, 1 Feb 2022 07:26:47 -0800 From: Akhil R To: , , , , , , , , , , , CC: Subject: [PATCH v18 0/4] Add NVIDIA Tegra GPC-DMA driver Date: Tue, 1 Feb 2022 20:56:35 +0530 Message-ID: <1643729199-19161-1-git-send-email-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.7.4 X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a1623058-2ebd-4344-2ecc-08d9e59746de X-MS-TrafficTypeDiagnostic: BN6PR12MB1683:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Fg5utH4unIfKoCc6v0ZYYCDmgah4HuXl5UZf2WOK+gOl4jrzovBma0qgTwdZLpQyoRMUSzNA6S8dK5UgcOL7fuAPydIGid+V1UvPI3no1ch/b92fNe4LIX1iGwZmyKJpdIozM2XDJsXrZpnnjlopv5z2w5i6BH19fxv28Dv/7d19y1HEaP2WERWfDNp5n7vT4NowB86axBcO9V7jeKb40E8iKR6BvlrKzoHhuQQhmfuU5t2voBK4jllePe4h2N644eYH9oZ06nXfMJwT8VozEaJnhxO8HnH1wagjgiEXtT0j2jrb6JwQB0iUnNBbytYUaSi+WPvpeezSYZuqgyhqSieIaFiRyAW9b7hgqRqWug3PaCmfI84A6zQRBnoUuEoFt/cc/njUrG0Zf6D1AlBBGA/fCNW0WnsEl2kABIm9I1q+7yQSxT953kP5PZiifMGnfy49TT4zepiJDEFQwz691PC3FlHe35N3jlQNhSaf3Sm8lQtlj1GMMmVCgaCTxBF30gzUgaxdwokQb+3lWtchIXtYkeY9g1SpKvxkxDBMXQX0E5abMGUbz87ULJYj605lbtQgEHp6XiFNmtpnYGA+qsJhPxxG5qVZOyY6PzL5fBHJvkB+fqqV8hj/LsMA6JPzAQCImblQoVDzQ8ZUgzkyld6l/oR9n7rcZkmvfVGJa2grj8RvExOgg/242od9AA8gc0tqB/PoXxkcp/060xjbRNXndTqbFwiWGf+WMv6iI07Gd1X6xzio0qAh1EIJUS/K0M/SFE+wtDbIX+RLAva0rg== X-Forefront-Antispam-Report: CIP:12.22.5.234;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(40470700004)(36840700001)(46966006)(2616005)(107886003)(47076005)(40460700003)(82310400004)(426003)(86362001)(70206006)(36860700001)(81166007)(921005)(356005)(36756003)(70586007)(336012)(4326008)(8936002)(186003)(110136005)(8676002)(316002)(2906002)(5660300002)(4744005)(6666004)(7696005)(26005)(508600001)(83996005)(2101003)(36900700001)(20210929001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Feb 2022 15:26:53.9705 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a1623058-2ebd-4344-2ecc-08d9e59746de X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.234];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT038.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1683 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Add support for NVIDIA Tegra general purpose DMA driver for Tegra186 and Tegra194 platform. v17 -> v18: * Add get_residual() to get residual in tx_status() * Added label for device tree node so that the phandle can be used in client devices using the dma. Akhil R (4): dt-bindings: dmaengine: Add doc for tegra gpcdma dmaengine: tegra: Add tegra gpcdma driver arm64: defconfig: tegra: Enable GPCDMA arm64: tegra: Add GPCDMA node for tegra186 and tegra194 .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 110 ++ arch/arm64/boot/dts/nvidia/tegra186.dtsi | 42 + arch/arm64/boot/dts/nvidia/tegra194.dtsi | 43 + arch/arm64/configs/defconfig | 1 + drivers/dma/Kconfig | 11 + drivers/dma/Makefile | 1 + drivers/dma/tegra186-gpc-dma.c | 1502 ++++++++++++++++++++ 7 files changed, 1710 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml create mode 100644 drivers/dma/tegra186-gpc-dma.c -- 2.7.4