linux-kernel - Re: [PATCH 08/11] arm64: dts: qcom: sc8280xp-x13s: Add PMK8280 VADC channels

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Date:   Sat, 29 Oct 2022 10:15:01 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     andersson@...nel.org, konrad.dybcio@...ainline.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        johan+linaro@...nel.org, quic_jprakash@...cinc.com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/11] arm64: dts: qcom: sc8280xp-x13s: Add PMK8280 VADC
 channels

On Thu, Oct 27, 2022 at 10:04:24AM -0400, Krzysztof Kozlowski wrote:
> On 27/10/2022 10:03, Krzysztof Kozlowski wrote:
> > On 27/10/2022 02:30, Manivannan Sadhasivam wrote:
> >> Add VADC channels for measuring the on-chip die temperature and external
> >> crystal osciallator temperature of PMK8280.
> >>
> >> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> >> ---
> >>  .../dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 18 ++++++++++++++++++
> >>  1 file changed, 18 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 6aa8cf6d9776..9ac5d5c22832 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-pmk8350.h>
> >>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> >>  
> >>  #include "sc8280xp.dtsi"
> >> @@ -173,6 +174,23 @@ &pmk8280_pon_resin {
> >>  	status = "okay";
> >>  };
> >>  
> >> +&pmk8280_vadc {
> >> +	status = "okay";
> >> +
> >> +	pmk8280-die-temp@3 {
> > 
> > die-temp@
> 
> Hm, wait, unless this is the die temperature of pmk8280? But then how
> about pmic-die-temp?

Yes, this is the die temperature of PMK8280, so "pmic-die-temp" makes sense.

Thanks,
Mani

> 
> 
> Best regards,
> Krzysztof
> 

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