# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/fsl,easrc.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: NXP Asynchronous Sample Rate Converter (ASRC) Controller maintainers: - Shengjiu Wang properties: $nodename: pattern: "^easrc@.*" compatible: const: fsl,imx8mn-easrc reg: maxItems: 1 interrupts: maxItems: 1 clocks: items: - description: Peripheral clock clock-names: items: - const: mem dmas: maxItems: 8 dma-names: items: - const: ctx0_rx - const: ctx0_tx - const: ctx1_rx - const: ctx1_tx - const: ctx2_rx - const: ctx2_tx - const: ctx3_rx - const: ctx3_tx firmware-name: $ref: /schemas/types.yaml#/definitions/string const: imx/easrc/easrc-imx8mn.bin description: The coefficient table for the filters fsl,asrc-rate: $ref: /schemas/types.yaml#/definitions/uint32 minimum: 8000 maximum: 192000 description: Defines a mutual sample rate used by DPCM Back Ends fsl,asrc-format: $ref: /schemas/types.yaml#/definitions/uint32 enum: [2, 6, 10, 32, 36] default: 2 description: Defines a mutual sample format used by DPCM Back Ends required: - compatible - reg - interrupts - clocks - clock-names - dmas - dma-names - firmware-name - fsl,asrc-rate - fsl,asrc-format additionalProperties: false examples: - | #include easrc: easrc@300c0000 { compatible = "fsl,imx8mn-easrc"; reg = <0x300c0000 0x10000>; interrupts = <0x0 122 0x4>; clocks = <&clk IMX8MN_CLK_ASRC_ROOT>; clock-names = "mem"; dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>, <&sdma2 18 23 0> , <&sdma2 19 23 0>, <&sdma2 20 23 0> , <&sdma2 21 23 0>, <&sdma2 22 23 0> , <&sdma2 23 23 0>; dma-names = "ctx0_rx", "ctx0_tx", "ctx1_rx", "ctx1_tx", "ctx2_rx", "ctx2_tx", "ctx3_rx", "ctx3_tx"; firmware-name = "imx/easrc/easrc-imx8mn.bin"; fsl,asrc-rate = <8000>; fsl,asrc-format = <2>; };