Dne sreda, 20. december 2023 ob 09:18:43 CET je fuyao napisal(a): > the aldo1 is connect regulator pin which power the TV. > The USB core use TV ref as reference Voltage. > > Signed-off-by: fuyao <fuyao1697@xxxxxxx> Subject line must have board name in it. Please also update message as it's unclear. Best regards, Jernej > --- > arch/arm/boot/dts/allwinner/sun8i-r40-feta40i.dtsi | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/arm/boot/dts/allwinner/sun8i-r40-feta40i.dtsi b/arch/arm/boot/dts/allwinner/sun8i-r40-feta40i.dtsi > index 9f39b5a2bb35..8906170461df 100644 > --- a/arch/arm/boot/dts/allwinner/sun8i-r40-feta40i.dtsi > +++ b/arch/arm/boot/dts/allwinner/sun8i-r40-feta40i.dtsi > @@ -42,6 +42,13 @@ &pio { > vcc-pg-supply = <®_dldo1>; > }; > > +®_aldo1 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-aldo1"; > +}; > + > ®_aldo2 { > regulator-always-on; > regulator-min-microvolt = <1800000>; >