On 1.05.2024 6:19 PM, Dmitry Baryshkov wrote: > On the IFC6560 one of the USB PHY supplies is the L10A power supply. > However this regulator also supplies VDDA_APC1_CS, VDD_PLL2 and VDD_P11 > consumers. Touching the supply causes the board to be reset. Document > the supply as a fixed always-on regulator. how not to design your power rails 101 > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- > arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts > index 702ab49bbc59..60412281ab27 100644 > --- a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts > +++ b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts > @@ -96,6 +96,18 @@ v5p0_boost: v5p0-boost-regulator { > > vin-supply = <&vph_pwr>; > }; > + > + /* > + * this is also used for APC1 CPU power, touching it resets the board > + */ /* This... */ Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Konrad