/include/ "system-conf.dtsi"
/ {
	// symbiotica board codec voltage
	vdd_3v3: codec3v3 {
		/* VDD_3V3 */
		regulator-name = "codec3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
		};

	aic_dvdd: codec1v8 {
		/* VDD_3V3 */
		regulator-name = "codec1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
		regulator-boot-on;
		};

	// ASoC sound card (machine driver) - 
	// glue driver which connects I2S, DMA (Audio-Formatter) and codec
	sound0: sound0 {
		compatible = "simple-audio-card";
		simple-audio-card,name = "keba-audio";
		simple-audio-card,widgets =
			"Line", "Line Out",
			"Line", "Line In";
		simple-audio-card,routing =
			"Line Out", 	"LLOUT",
			"Line Out", 	"RLOUT",
			"LINE1L",	"Line In",
			"LINE1R",	"Line In";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&sound0_master>; // set codec to i2s master
		simple-audio-card,frame-master = <&sound0_master>; // set codec to i2s master
		simple-audio-card,bitclock-inversion;

		simple-audio-card,cpu {
			sound-dai = <&audio_formatter_0>;
			clocks = <&misc_clk_0>;
		};

		sound0_master: simple-audio-card,codec {
			sound-dai = <&tlv320aic3104>;
			clocks = <&misc_clk_0>;
		};
	};
};

&audio_formatter_0 {
	#sound-dai-cells = <0>;
};

// symbiotica board low power audio codec
&i2c0 {
	tlv320aic3104: tlv320aic3104@18 {
			#sound-dai-cells = <0>;
			compatible = "ti,tlv320aic3104";
			reg = <0x18>; // I2C slave address
			// assigned-clocks = <&misc_clk_0>			

			status = "okay";
			adc-settle-ms = <40>;

			ai3x-micbias-vg = <1>; // 2.0V microphone bias
			ai3x-ocmv = <2>; // from datasheet

			// AVDD-supply = <&vdd_3v3>;
			// IOVDD-supply = <&vdd_3v3>;
			// DRVDD-supply = <&vdd_3v3>;
			// DVDD-supply = <&aic_dvdd>;
			};
};