1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/sound/fsl,easrc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP Asynchronous Sample Rate Converter (ASRC) Controller
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
17 const: fsl,imx8mn-easrc
27 - description: Peripheral clock
48 $ref: /schemas/types.yaml#/definitions/string
49 const: imx/easrc/easrc-imx8mn.bin
50 description: The coefficient table for the filters
53 $ref: /schemas/types.yaml#/definitions/uint32
56 description: Defines a mutual sample rate used by DPCM Back Ends
59 $ref: /schemas/types.yaml#/definitions/uint32
60 enum: [2, 6, 10, 32, 36]
63 Defines a mutual sample format used by DPCM Back Ends
77 additionalProperties: false
81 #include <dt-bindings/clock/imx8mn-clock.h>
83 easrc: easrc@300c0000 {
84 compatible = "fsl,imx8mn-easrc";
85 reg = <0x300c0000 0x10000>;
86 interrupts = <0x0 122 0x4>;
87 clocks = <&clk IMX8MN_CLK_ASRC_ROOT>;
89 dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>,
90 <&sdma2 18 23 0> , <&sdma2 19 23 0>,
91 <&sdma2 20 23 0> , <&sdma2 21 23 0>,
92 <&sdma2 22 23 0> , <&sdma2 23 23 0>;
93 dma-names = "ctx0_rx", "ctx0_tx",
97 firmware-name = "imx/easrc/easrc-imx8mn.bin";
98 fsl,asrc-rate = <8000>;
99 fsl,asrc-format = <2>;