On Sat, Oct 29, 2022 at 10:18:37AM +0530, Manivannan Sadhasivam wrote:
> On Thu, Oct 27, 2022 at 10:09:21AM -0400, Krzysztof Kozlowski wrote:
> > On 27/10/2022 02:30, Manivannan Sadhasivam wrote:
> > > Add VADC channels of PM8280_{1/2} PMICs for measuring the on-chip die
> > > temperature and external thermistors connected to the AMUX pins.
> > >
> > > The measurements are collected by the primary PMIC PMK8280 from the
> > > slave PMICs PM8280_{1/2} and exposed them over the PMK8280's VADC
> >
> > secondary PMICs
> >
> > Drop "them"
> >
> >
> > > channels.
> > >
> > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > > ---
> > > .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 61 +++++++++++++++++++
> > > 1 file changed, 61 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> > > index 9ac5d5c22832..d300d217fdc6 100644
> > > --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> > > +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> > > @@ -7,6 +7,7 @@
> > > /dts-v1/;
> > >
> > > #include <dt-bindings/gpio/gpio.h>
> > > +#include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
> > > #include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
> > > #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> > >
> > > @@ -189,6 +190,66 @@ pmk8280-xo-therm@44 {
> > > qcom,ratiometric;
> > > qcom,hw-settle-time = <200>;
> > > };
> > > +
> > > + pm8280-1-die-temp@103 {
> >
> > pmic-die-temp? What pm8280 stands here?
> >
>
> As agreed, will use "pmic-die-temp"
>
> >
> > > + reg = <PM8350_ADC7_DIE_TEMP(1)>;
> > > + label = "pm8280_1_die_temp";
> > > + qcom,pre-scaling = <1 1>;
> > > + };
> > > +
> > > + sys-therm1@144 {
> >
> > I would say sys-therm@... why do we need the "1" suffix in node name?
> >
>
> Suffix represents the index of the thermistor as per the schematics but I guess
> it can be dropped.
>
I was wrong. Suffix is necessary since IIO core registers the channel based on
the node name, so it has to be unique.
Thanks,
Mani
> Thanks,
> Mani
>
> > > + reg = <PM8350_ADC7_AMUX_THM1_100K_PU(1)>;
> > > + qcom,ratiometric;
> > > + qcom,hw-settle-time = <200>;
> > > + };
> >
> > Best regards,
> > Krzysztof
> >
>
> --
> மணிவண்ணன் சதாசிவம்
--
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