mirror of https://gitee.com/openkylin/linux.git
101 lines
2.3 KiB
YAML
101 lines
2.3 KiB
YAML
# 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 <shengjiu.wang@nxp.com>
|
|
|
|
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 <dt-bindings/clock/imx8mn-clock.h>
|
|
|
|
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>;
|
|
};
|