Imx-akcodec is a new added machine driver for supporting ak4458/ak5558/ak5552/ak4497 codec on i.MX platforms. Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> --- changes in v2: - update doc accoring to Rob's comment, use the common porperties. .../bindings/sound/imx-audio-akcodec.yaml | 107 ++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml diff --git a/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml new file mode 100644 index 000000000000..0812c4779b59 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml @@ -0,0 +1,107 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/imx-audio-akcodec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX audio complex with AK4458/AK5558/AK5552/AK4497 codec + +maintainers: + - Shengjiu Wang <shengjiu.wang@xxxxxxx> + +properties: + compatible: + enum: + - fsl,imx8mq-audio-akcodec + - fsl,imx-audio-akcodec + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + audio-routing: + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + description: + A list of the connections between audio components. Each entry is a + pair of strings, the first being the connection's sink, the second + being the connection's source. Valid names could be power supplies, + MicBias of codec and the jacks on the board. + +patternProperties: + ".*-dai-link$": + description: + Each subnode represents a dai link. Subnodes of each dai links would be + cpu/codec dais. + + type: object + + properties: + link-name: + description: Indicates dai-link name and PCM stream name. + $ref: /schemas/types.yaml#/definitions/string + maxItems: 1 + + format: + description: audio format. + items: + enum: + - i2s + - dsp_b + + cpu: + description: Holds subnode which indicates cpu dai. + type: object + properties: + sound-dai: true + + codec: + description: Holds subnode which indicates codec dai. + type: object + properties: + sound-dai: true + + required: + - link-name + - cpu + + additionalProperties: false + +required: + - compatible + - model + +additionalProperties: false + +examples: + - | + sound-ak4458 { + compatible = "fsl,imx-audio-akcodec"; + model = "ak4458-audio"; + pri-dai-link { + link-name = "akcodec"; + format = "i2s"; + cpu { + sound-dai = <&sai1>; + }; + codec { + sound-dai = <&ak4458_1>, <&ak4458_2>; + }; + }; + fe-dai-link { + link-name = "HiFi-ASRC-FE"; + format = "i2s"; + cpu { + sound-dai = <&easrc>; + }; + }; + be-dai-link { + link-name = "HiFi-ASRC-BE"; + format = "dsp_b"; + cpu { + sound-dai = <&sai1>; + }; + codec { + sound-dai = <&ak4458_1>, <&ak4458_2>; + }; + }; + }; -- 2.27.0
