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Mon, 21 Feb 2022 07:42:16 -0800 From: Akhil R To: , , , , , , , , , , , CC: Subject: [PATCH v20 1/2] dt-bindings: dmaengine: Add doc for tegra gpcdma Date: Mon, 21 Feb 2022 21:09:33 +0530 Message-ID: <20220221153934.5226-2-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220221153934.5226-1-akhilrajeev@nvidia.com> References: <20220221153934.5226-1-akhilrajeev@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a71eebc7-73d2-4db0-2f3b-08d9f550c0b4 X-MS-TrafficTypeDiagnostic: CY4PR12MB1608:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.238;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(46966006)(40470700004)(36840700001)(4326008)(426003)(47076005)(336012)(83380400001)(36756003)(40460700003)(5660300002)(2906002)(8936002)(26005)(2616005)(1076003)(107886003)(36860700001)(110136005)(966005)(7696005)(186003)(70206006)(70586007)(81166007)(356005)(921005)(6666004)(508600001)(316002)(8676002)(86362001)(82310400004)(36900700001)(83996005)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Feb 2022 15:42:22.7608 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a71eebc7-73d2-4db0-2f3b-08d9f550c0b4 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.238];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT022.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR12MB1608 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add DT binding document for Nvidia Tegra GPCDMA controller. Signed-off-by: Rajesh Gumasta Signed-off-by: Akhil R Reviewed-by: Jon Hunter Reviewed-by: Rob Herring --- .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml new file mode 100644 index 000000000000..9dd1476d1849 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/nvidia,tegra186-gpc-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra GPC DMA Controller Device Tree Bindings + +description: | + The Tegra General Purpose Central (GPC) DMA controller is used for faster + data transfers between memory to memory, memory to device and device to + memory. + +maintainers: + - Jon Hunter + - Rajesh Gumasta + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + oneOf: + - const: nvidia,tegra186-gpcdma + - items: + - const: nvidia,tegra194-gpcdma + - const: nvidia,tegra186-gpcdma + + "#dma-cells": + const: 1 + + reg: + maxItems: 1 + + interrupts: + description: + Should contain all of the per-channel DMA interrupts in + ascending order with respect to the DMA channel index. + minItems: 1 + maxItems: 31 + + resets: + maxItems: 1 + + reset-names: + const: gpcdma + + iommus: + maxItems: 1 + + dma-coherent: true + +required: + - compatible + - reg + - interrupts + - resets + - reset-names + - "#dma-cells" + - iommus + +additionalProperties: false + +examples: + - | + #include + #include + #include + + dma-controller@2600000 { + compatible = "nvidia,tegra186-gpcdma"; + reg = <0x2600000 0x210000>; + resets = <&bpmp TEGRA186_RESET_GPCDMA>; + reset-names = "gpcdma"; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + #dma-cells = <1>; + iommus = <&smmu TEGRA186_SID_GPCDMA_0>; + dma-coherent; + }; +... -- 2.17.1