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}; =20 + avdd_reg: regulator-avdd { + compatible =3D "regulator-fixed"; + regulator-name =3D "avdd"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + }; + + hpvdd_reg: regulator-hpvdd { + compatible =3D "regulator-fixed"; + regulator-name =3D "hpvdd"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + }; + + dcvdd_reg: regulator-dcvdd { + compatible =3D "regulator-fixed"; + regulator-name =3D "dcvdd"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + }; + + dbvdd_reg: regulator-dbvdd { + compatible =3D "regulator-fixed"; + regulator-name =3D "dbvdd"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + }; + sound-analog { compatible =3D "simple-audio-card"; simple-audio-card,name =3D "On-board analog audio"; @@ -307,6 +335,10 @@ wm8731: codec@1a { #sound-dai-cells =3D <0>; compatible =3D "wlf,wm8731"; reg =3D <0x1a>; + AVDD-supply =3D <&avdd_reg>; + HPVDD-supply =3D <&hpvdd_reg>; + DCVDD-supply =3D <&dcvdd_reg>; + DBVDD-supply =3D <&dbvdd_reg>; }; }; =20 --=20 2.34.1