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SubjectRE: [PATCH] arm64: dts: ls1088a: add one more thermal zone node
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> -----Original Message-----
> From: Shawn Guo <shawnguo@kernel.org>
> Sent: 2019年3月1日 21:38
> To: Andy Tang <andy.tang@nxp.com>
> Cc: Leo Li <leoyang.li@nxp.com>; robh+dt@kernel.org; mark.rutland@arm.com;
> linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org;
> linux-kernel@vger.kernel.org; linux-pm@vger.kernel.org;
> daniel.lezcano@linaro.org; rui.zhang@intel.com; edubezval@gmail.com
> Subject: Re: [PATCH] arm64: dts: ls1088a: add one more thermal zone node
>
> On Mon, Feb 25, 2019 at 11:00:49AM +0800, Yuantian Tang wrote:
> > Ls1088a has 2 thermal sensors. This patch adds the second node to dts
> > to enable it.
>
> Can you elaborate on these 2 thermal sensors/zones, ccu and plt?
>
OK, thanks.

BR,
Andy

> Shawn
>
> >
> > Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
> > ---
> > arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 43
> +++++++++++++++++++++--
> > 1 files changed, 39 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > index 661137f..9f52bc9 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > @@ -129,19 +129,19 @@
> > };
> >
> > thermal-zones {
> > - cpu_thermal: cpu-thermal {
> > + ccu {
> > polling-delay-passive = <1000>;
> > polling-delay = <5000>;
> > thermal-sensors = <&tmu 0>;
> >
> > trips {
> > - cpu_alert: cpu-alert {
> > + ccu_alert: ccu-alert {
> > temperature = <85000>;
> > hysteresis = <2000>;
> > type = "passive";
> > };
> >
> > - cpu_crit: cpu-crit {
> > + ccu_crit: ccu-crit {
> > temperature = <95000>;
> > hysteresis = <2000>;
> > type = "critical";
> > @@ -150,7 +150,42 @@
> >
> > cooling-maps {
> > map0 {
> > - trip = <&cpu_alert>;
> > + trip = <&ccu_alert>;
> > + cooling-device =
> > + <&cpu0 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > + <&cpu1 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > + <&cpu2 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > + <&cpu3 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > + <&cpu4 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > + <&cpu5 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > + <&cpu6 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > + <&cpu7 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>;
> > + };
> > + };
> > + };
> > +
> > + plt {
> > + polling-delay-passive = <1000>;
> > + polling-delay = <5000>;
> > + thermal-sensors = <&tmu 1>;
> > +
> > + trips {
> > + plt_alert: plt-alert {
> > + temperature = <85000>;
> > + hysteresis = <2000>;
> > + type = "passive";
> > + };
> > +
> > + plt_crit: plt-crit {
> > + temperature = <95000>;
> > + hysteresis = <2000>;
> > + type = "critical";
> > + };
> > + };
> > +
> > + cooling-maps {
> > + map0 {
> > + trip = <&plt_alert>;
> > cooling-device =
> > <&cpu0 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > <&cpu1 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > --
> > 1.7.1
> >
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