Re: [PATCH v10 8/9] arm64: dts: qcom: ipq9574: Add LDO regulator node

From: Dmitry Baryshkov
Date: Sat May 06 2023 - 07:08:17 EST


On Fri, 5 May 2023 at 22:26, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
>
>
>
> On 5.05.2023 11:29, Dmitry Baryshkov wrote:
> > On Fri, 5 May 2023 at 11:23, Varadarajan Narayanan
> > <quic_varada@xxxxxxxxxxx> wrote:
> >>
> >> Add LDO regulator node
> >
> > As this LDO is provided by the PMIC, it would be nice to know why it
> > is modelled as an always-on regulator instead of the proper PMIC
> > regulator. Up to now we were doing this only for the outstanding power
> > rails like CX/MX or EBI.
> (which we then stopped registering as regulators and started
> to manage through rpm(h)pd drivers and the genpd framework)

I mean having regulator-fixed s4a on sm8250 in addition to the CX
genpd, because some of the parts really expect to have a regulator.
But anyway, we are getting away from the subj. Let's wait for the
answer from Varadarajan.

>
> Konrad
> >
> >>
> >> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> >> ---
> >> Changes in v10:
> >> - Add LDO regulator node
> >> ---
> >> arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 7 +++++++
> >> 1 file changed, 7 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> >> index bdc1434..1f5d14f 100644
> >> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> >> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> >> @@ -60,6 +60,13 @@
> >> regulator-min-microvolt = <725000>;
> >> regulator-max-microvolt = <1075000>;
> >> };
> >> +
> >> + mp5496_l2: l2 {
> >> + regulator-min-microvolt = <1800000>;
> >> + regulator-max-microvolt = <1800000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> };
> >> };

--
With best wishes
Dmitry