Quoting Douglas Anderson (2018-08-10 14:51:49) > @@ -20,6 +21,450 @@ > chosen { > stdout-path = "serial0:115200n8"; > }; > + > + vph_pwr: vph-pwr-regulator { > + compatible = "regulator-fixed"; > + regulator-name = "vph_pwr"; > + regulator-min-microvolt = <3700000>; > + regulator-max-microvolt = <3700000>; > + }; > + > + /* > + * Apparently RPMh does not provide support for PM8998 S4 because it > + * is always-on; model it as a fixed regulator. > + */ > + vreg_s4a_1p8: pm8998-smps4 { > + compatible = "regulator-fixed"; > + regulator-name = "vreg_s4a_1p8"; > + > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + > + regulator-always-on; > + regulator-boot-on; Can vin be vph_pwr? That would properly model this. > + }; > +};