rpi-adau1761-overlay.dts

// SPDX-License-Identifier: GPL-2.0

/dts-v1/;
/plugin/;

/ {
	compatible = "brcm,bcm2835";

	fragment@0 {
		target = <&clocks>;
		__overlay__ {
			adau1761_mclk: oscillator {
				compatible = "fixed-clock";
				status = "okay";
				#clock-cells=<0>;
				clock-frequency = <12288000>;
				clock-output-names = "adau1761_mclk";
			};
		};
	};

	fragment@1 {
		target = <&i2s>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@2 {
		target = <&i2c1>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			status = "okay";

			adau1761_codec: adau1761-codec@38 {
				compatible = "adi,adau1761";
				status = "okay";
				reg = <0x38>;
				#sound-dai-cells = <0>;
				clock-names = "mclk";
				clocks = <&adau1761_mclk>;
			};
		};
	};

	fragment@3 {
		target = <&sound>;
		sound_overlay: __overlay__ {
			compatible = "simple-audio-card";
			status = "okay";
			simple-audio-card,format = "i2s";
			simple-audio-card,name = "EVAL-ADAU1761Z";
			simple-audio-card,bitclock-master = <&dailink0_master>;
			simple-audio-card,frame-master = <&dailink0_master>;
			simple-audio-card,widgets =
				"Microphone", "Mic In",
				"Headphone", "Headphone Out",
				"Line", "Line In",
				"Line", "Line Out";
			simple-audio-card,routing =
				"Line Out", "LOUT",
				"Line Out", "ROUT",
				"Headphone Out", "LHP",
				"Headphone Out", "RHP",
				"Mic In", "MICBIAS",
				"LINN", "Mic In",
				"RINN", "Mic In",
				"LINP", "Mic In",
				"RINP", "Mic In",
				"LAUX", "Line In",
				"RAUX", "Line In";
			simple-audio-card,cpu {
				/* so that bclk is 64x FS */
				dai-tdm-slot-num = <2>;
				dai-tdm-slot-width = <32>;
				sound-dai = <&i2s>;
			};
			dailink0_master: simple-audio-card,codec {
				sound-dai = <&adau1761_codec>;
			};
		};
	};

	__overrides__ {
		card-name = <&sound_overlay>,"simple-audio-card,name";
	};
};