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Tue, 20 Feb 2024 10:28:56 +0000 Received: from PH7PR20MB4962.namprd20.prod.outlook.com ([fe80::4719:8c68:6f:34ff]) by PH7PR20MB4962.namprd20.prod.outlook.com ([fe80::4719:8c68:6f:34ff%6]) with mapi id 15.20.7292.033; Tue, 20 Feb 2024 10:28:56 +0000 From: Inochi Amaoto To: Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Inochi Amaoto Cc: Chen Wang , Jisheng Zhang , Liu Gui , Jingbao Qiu , dlan@gentoo.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/4] dt-bindings: dmaengine: Add dmamux for CV18XX/SG200X series SoC Date: Tue, 20 Feb 2024 18:28:58 +0800 Message-ID: X-Mailer: git-send-email 2.43.2 In-Reply-To: References: X-TMN: [RFWU7OVraIUpj4XNFKtF8C9rBic/JPVJyA7oD2DE2gQ=] X-ClientProxiedBy: TYCP301CA0032.JPNP301.PROD.OUTLOOK.COM (2603:1096:400:380::15) To PH7PR20MB4962.namprd20.prod.outlook.com (2603:10b6:510:1fa::6) X-Microsoft-Original-Message-ID: <20240220102901.874602-1-inochiama@outlook.com> Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR20MB4962:EE_|IA0PR20MB6813:EE_ X-MS-Office365-Filtering-Correlation-Id: 973d6829-ddc2-4cad-879f-08dc31febe27 X-Microsoft-Antispam: BCL:0; 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The DMA channel is exclusive to each core. Add the dmamux binding for CV18XX/SG200X series SoC Signed-off-by: Inochi Amaoto Reviewed-by: Rob Herring --- .../bindings/dma/sophgo,cv1800-dmamux.yaml | 44 +++++++++++++++ include/dt-bindings/dma/cv1800-dma.h | 55 +++++++++++++++++++ 2 files changed, 99 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml create mode 100644 include/dt-bindings/dma/cv1800-dma.h -- 2.43.2 diff --git a/Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml b/Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml new file mode 100644 index 000000000000..8bcbf7beb432 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/sophgo,cv1800-dmamux.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo CV1800/SG200 Series DMA mux + +maintainers: + - Inochi Amaoto + +allOf: + - $ref: dma-router.yaml# + +properties: + compatible: + const: sophgo,cv1800-dmamux + + '#dma-cells': + const: 3 + description: + The first cells is DMA channel. The second one is device id. + The third one is the cpu id. + + dma-masters: + maxItems: 1 + + dma-requests: + const: 8 + +required: + - '#dma-cells' + - dma-masters + +additionalProperties: false + +examples: + - | + dma-router { + compatible = "sophgo,cv1800-dmamux"; + #dma-cells = <3>; + dma-masters = <&dmac>; + dma-requests = <8>; + }; diff --git a/include/dt-bindings/dma/cv1800-dma.h b/include/dt-bindings/dma/cv1800-dma.h new file mode 100644 index 000000000000..3ce9dac25259 --- /dev/null +++ b/include/dt-bindings/dma/cv1800-dma.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ + +#ifndef __DT_BINDINGS_DMA_CV1800_H__ +#define __DT_BINDINGS_DMA_CV1800_H__ + +#define DMA_I2S0_RX 0 +#define DMA_I2S0_TX 1 +#define DMA_I2S1_RX 2 +#define DMA_I2S1_TX 3 +#define DMA_I2S2_RX 4 +#define DMA_I2S2_TX 5 +#define DMA_I2S3_RX 6 +#define DMA_I2S3_TX 7 +#define DMA_UART0_RX 8 +#define DMA_UART0_TX 9 +#define DMA_UART1_RX 10 +#define DMA_UART1_TX 11 +#define DMA_UART2_RX 12 +#define DMA_UART2_TX 13 +#define DMA_UART3_RX 14 +#define DMA_UART3_TX 15 +#define DMA_SPI0_RX 16 +#define DMA_SPI0_TX 17 +#define DMA_SPI1_RX 18 +#define DMA_SPI1_TX 19 +#define DMA_SPI2_RX 20 +#define DMA_SPI2_TX 21 +#define DMA_SPI3_RX 22 +#define DMA_SPI3_TX 23 +#define DMA_I2C0_RX 24 +#define DMA_I2C0_TX 25 +#define DMA_I2C1_RX 26 +#define DMA_I2C1_TX 27 +#define DMA_I2C2_RX 28 +#define DMA_I2C2_TX 29 +#define DMA_I2C3_RX 30 +#define DMA_I2C3_TX 31 +#define DMA_I2C4_RX 32 +#define DMA_I2C4_TX 33 +#define DMA_TDM0_RX 34 +#define DMA_TDM0_TX 35 +#define DMA_TDM1_RX 36 +#define DMA_AUDSRC 37 +#define DMA_SPI_NAND 38 +#define DMA_SPI_NOR 39 +#define DMA_UART4_RX 40 +#define DMA_UART4_TX 41 +#define DMA_SPI_NOR1 42 + +#define DMA_CPU_A53 0 +#define DMA_CPU_C906_0 1 +#define DMA_CPU_C906_1 2 + + +#endif // __DT_BINDINGS_DMA_CV1800_H__