54 lines
1.3 KiB
Plaintext
54 lines
1.3 KiB
Plaintext
/dts-v1/;
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/plugin/;
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/ {
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metadata {
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title = "Enable I2S3-M0 INMP441";
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compatible = "radxa,rock-3c", "radxa,zero3";
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category = "audio";
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description = "Enable INMP441 on I2S3-M0";
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/* Hard-coded GPIO numbers for GPIO3_A3/A4/A5/A6 */
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exclusive = "99", "100", "102", "101", "i2s3_2ch";
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};
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};
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&{/} {
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dummy_codec: dummy-codec {
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compatible = "rockchip,dummy-codec";
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#sound-dai-cells = <0>;
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};
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dummy_sound: dummy-sound {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "simple-audio-card";
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simple-audio-card,format = "i2s";
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simple-audio-card,bitclock-master = <&i2s3_2ch>;
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simple-audio-card,frame-master = <&i2s3_2ch>;
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simple-audio-card,mclk-fs = <256>;
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simple-audio-card,name = "i2s3-inmp441";
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simple-audio-card,dai-link@0 {
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reg = <0>;
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format = "i2s";
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cpu {
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sound-dai = <&i2s3_2ch>;
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};
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codec {
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sound-dai = <&dummy_codec>;
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};
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};
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};
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};
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&i2s3_2ch {
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pinctrl-0 = <&i2s3m0_sclk
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&i2s3m0_lrck
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&i2s3m0_sdi
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&i2s3m0_sdo>;
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status = "okay";
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};
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&i2c3 {
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status = "disabled";
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};
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