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// Definitions for Fe-Pi Audio
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2835";
fragment@0 {
target-path = "/";
__overlay__ {
sgtl5000_mclk: sgtl5000_mclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <12288000>;
clock-output-names = "sgtl5000-mclk";
};
};
};
fragment@1 {
target = <&soc>;
__overlay__ {
reg_1v8: reg_1v8@0 {
compatible = "regulator-fixed";
regulator-name = "1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
};
};
fragment@2 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
sgtl5000@0a {
#sound-dai-cells = <0>;
compatible = "fsl,sgtl5000";
reg = <0x0a>;
clocks = <&sgtl5000_mclk>;
micbias-resistor-k-ohms = <2>;
micbias-voltage-m-volts = <3000>;
VDDA-supply = <&vdd_3v3_reg>;
VDDIO-supply = <&vdd_3v3_reg>;
VDDD-supply = <®_1v8>;
status = "okay";
};
};
};
fragment@3 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
fragment@4 {
target = <&sound>;
__overlay__ {
compatible = "fe-pi,fe-pi-audio";
i2s-controller = <&i2s>;
status = "okay";
};
};
};
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