Re: [PATCH v2 12/15] arm64: dts: qcom: sa8775p: pmic: add thermal zones

From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>,
	Andy Gross <agross@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: Re: [PATCH v2 12/15] arm64: dts: qcom: sa8775p: pmic: add thermal zones
Date: Wed, 22 Mar 2023 16:30:58 +0100	[thread overview]
Message-ID: <CAMRc=MeVaMaQMsLUPH0QDjuOBt3TjVofbj7SgA5zMg3sQGBh=w@mail.gmail.com> (raw)
In-Reply-To: <20230322025047.gvo252mh2flcbzuc@ripper>

On Wed, Mar 22, 2023 at 3:47 AM Bjorn Andersson <andersson@kernel.org> wrote:
>
> On Mon, Mar 20, 2023 at 06:28:20PM +0100, Konrad Dybcio wrote:
> >
> >
> > On 20.03.2023 16:48, Bartosz Golaszewski wrote:
> > > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> > >
> > > Add the thermal zones and associated alarm nodes for the PMICs that have
> > > them hooked up on sa8775p-ride.
> > >
> > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> > > ---
> > >  arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi | 58 +++++++++++++++++++++
> > >  1 file changed, 58 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> > > index 8616ead3daf5..276070b62ccd 100644
> > > --- a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> > > @@ -6,6 +6,50 @@
> > >  #include <dt-bindings/input/input.h>
> > >  #include <dt-bindings/spmi/spmi.h>
> > >
> > > +/ {
> > > +   thermal-zones {
> > > +           pmm8654au_1_thermal: pm8775-1-thermal {
> > Please reindex this, downstream uses _1 for pmic@0, but this
> > makes little sense. Make it match the SID.
> >
>
> Please use the naming from the schematics for these things, rather than
> just an iterator (which might be what Bartosz is doing here).
>

Not sure how to approach that. All currently existing
"qcom,spmi-temp-alarm" nodes use the PMIC name for the label.
Otherwise it would have to go into the board file and be replicated
for each board using the same PMIC?

Bart

> Regards,
> Bjorn
>
> > > +                   polling-delay-passive = <100>;
> > > +                   polling-delay = <0>;
> > > +                   thermal-sensors = <&pmm8654au_1_temp_alarm>;
> > > +
> > > +                   trips {
> > > +                           trip0 {
> > > +                                   temperature = <105000>;
> > > +                                   hysteresis = <0>;
> > > +                                   type = "passive";
> > > +                           };
> > > +
> > > +                           trip1 {
> > > +                                   temperature = <125000>;
> > > +                                   hysteresis = <0>;
> > > +                                   type = "critical";
> > > +                           };
> > > +                   };
> > > +           };
> > > +
> > What happened to the downstream _2 (pmic@2) one and _4 (pmic@6)?
> >
> > Konrad
> >
> > > +           pmm8654au_3_thermal: pm8775-3-thermal {
> > > +                   polling-delay-passive = <100>;
> > > +                   polling-delay = <0>;
> > > +                   thermal-sensors = <&pmm8654au_3_temp_alarm>;
> > > +
> > > +                   trips {
> > > +                           trip0 {
> > > +                                   temperature = <105000>;
> > > +                                   hysteresis = <0>;
> > > +                                   type = "passive";
> > > +                           };
> > > +
> > > +                           trip1 {
> > > +                                   temperature = <125000>;
> > > +                                   hysteresis = <0>;
> > > +                                   type = "critical";
> > > +                           };
> > > +                   };
> > > +           };
> > > +   };
> > > +};
> > > +
> > >  &spmi_bus {
> > >     pmm8654au_0: pmic@0 {
> > >             compatible = "qcom,pmm8654au", "qcom,spmi-pmic";
> > > @@ -41,6 +85,13 @@ pmm8654au_1: pmic@2 {
> > >             reg = <0x2 SPMI_USID>;
> > >             #address-cells = <1>;
> > >             #size-cells = <0>;
> > > +
> > > +           pmm8654au_1_temp_alarm: temp-alarm@a00 {
> > > +                   compatible = "qcom,spmi-temp-alarm";
> > > +                   reg = <0xa00>;
> > > +                   interrupts-extended = <&spmi_bus 0x2 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
> > > +                   #thermal-sensor-cells = <0>;
> > > +           };
> > >     };
> > >
> > >     pmm8654au_2: pmic@4 {
> > > @@ -55,5 +106,12 @@ pmm8654au_3: pmic@6 {
> > >             reg = <0x6 SPMI_USID>;
> > >             #address-cells = <1>;
> > >             #size-cells = <0>;
> > > +
> > > +           pmm8654au_3_temp_alarm: temp-alarm@a00 {
> > > +                   compatible = "qcom,spmi-temp-alarm";
> > > +                   reg = <0xa00>;
> > > +                   interrupts-extended = <&spmi_bus 0x6 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
> > > +                   #thermal-sensor-cells = <0>;
> > > +           };
> > >     };
> > >  };