| Message ID | 20190225030049.20401-1-andy.tang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: ls1088a: add one more thermal zone node | expand |
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? 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 >
> -----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 > >
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>,
Ls1088a has 2 thermal sensors. This patch adds the second node to dts to enable it. 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(-)