Re: [PATCH 3/3] arm: dts: thermal: add thermal/auxadc node.

dawei chien
2016-07-11T08:56:55Z

Dear Keerthy,

On Thu, 2016-07-07 at 17:39 +0530, Keerthy wrote:
>
> On Thursday 07 July 2016 02:36 PM, Dawei Chien wrote:
> > This adds the thermal controller and auxadc nodes
> > to the Mediatek MT2701 dtsi file.
> >
> > Signed-off-by: Dawei Chien <dawei.chien@mediatek.com>
> > ---
> > This patch depned on:
> > https://patchwork.kernel.org/patch/9213545/
> > ---
> > arch/arm/boot/dts/mt2701.dtsi | 43 +++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 43 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi
> > index 2ac8b50..0834a23 100644
> > --- a/arch/arm/boot/dts/mt2701.dtsi
> > +++ b/arch/arm/boot/dts/mt2701.dtsi
> > @@ -77,6 +77,36 @@
> > #clock-cells = <0>;
> > };
> >
> > + thermal-zones {
> > + cpu_thermal: cpu_thermal {
> > + polling-delay-passive = <1000>; /* milliseconds */
> > + polling-delay = <1000>; /* milliseconds */
> > +
> > + thermal-sensors = <&thermal 0>;
> > + sustainable-power = <1000>;
> > +
> > + trips {
> > + threshold: trip-point@0 {
> > + temperature = <68000>;
> > + hysteresis = <2000>;
> > + type = "passive";
> > + };
> > +
> > + target: trip-point@1 {
> > + temperature = <85000>;
> > + hysteresis = <2000>;
> > + type = "passive";
> > + };
> > +
> > + cpu_crit: cpu_crit@0 {
> > + temperature = <115000>;
> > + hysteresis = <2000>;
> > + type = "critical";
> > + };
> > + };
> > + };
> > + };
> > +
>
> are there any corresponding cooling-maps?

Since MT2701 does not register CPUFREQ cooling device and its' own
device node, I could not add cooling-maps so far.
Could we add cooling map after CPUFREQ ready, thank you.

>
> > timer {
> > compatible = "arm,armv7-timer";
> > interrupt-parent = <&gic>;
> > @@ -183,4 +213,17 @@
> > clocks = <&uart_clk>;
> > status = "disabled";
> > };
> > +
> > + thermal: thermal@1100b000 {
> > + #thermal-sensor-cells = <0>;
> > + compatible = "mediatek,mt2701-thermal";
> > + reg = <0 0x1100b000 0 0x1000>;
> > + interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_LOW>;
> > + clocks = <&pericfg CLK_PERI_THERM>, <&pericfg CLK_PERI_AUXADC>;
> > + clock-names = "therm", "auxadc";
> > + resets = <&pericfg 0x10>;
> > + reset-names = "therm";
> > + mediatek,auxadc = <&auxadc>;
> > + mediatek,apmixedsys = <&apmixedsys>;
> > + };
> > };
> >