On 21.12.2023 04:50, Bjorn Andersson wrote: > From: Bjorn Andersson <andersson@xxxxxxxxxx> > > The SA8295P ADP has a MAX20411 LDO regulator on I2C 12, supplying the > VDD_GFX pads. Enable the bus and add the maxim,max20411 device on the > bus. > > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > --- > arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 40 ++++++++++++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts > index fd253942e5e5..e16406c9c19d 100644 > --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts > +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts > @@ -266,6 +266,26 @@ &dispcc1 { > status = "okay"; > }; > > +&i2c12 { > + pinctrl-names = "default"; > + pinctrl-0 = <&qup1_i2c4_state>; property-n property-names (same below) > + > + status = "okay"; > + > + vdd_gfx: regulator@39 { > + compatible = "maxim,max20411"; > + reg = <0x39>; > + > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <968750>; Is this ever going to be scaled? I suppose you could add some OPP code to drm/msm and use opp-microvolts.. Or lock this down at min=max Konrad