| Message ID | 87poyi66yt.wl%kuninori.morimoto.gx@renesas.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
Hi Morimoto-san, Thanks for your patch. On 12/7/2015 2:44 PM, Kuninori Morimoto wrote: > > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > > This patch enables to use thermal-zone on r8a7790. > This thermal sensor can measure temperature from -40000 to 125000, > but over 117000 can be critical on this chip. > Thus, default critical temperature is now set as 115000 (this driver > is using 5000 steps) (Current critical temperature is using it as > 90000, but there is no big reason about it) > > And it doesn't check thermal zone periodically (same as current > behavior). You can exchange it by modifing polling-delay[-passive] modifing -> modifying > property. > > You can set trip temp if your kernel has CONFIG_THERMAL_WRITABLE_TRIPS, > but you need to take care to use it, since it will call > orderly_poweroff() it it reached to the value. if it reaches > echo $temp > /sys/class/thermal/thermal_zone0/trip_point_0_temp > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > --- > v2 -> v3 > > - compatible "renesas,rcar-thermal-gen2" -> "renesas,rcar-gen2-thermal" > > arch/arm/boot/dts/r8a7790.dtsi | 26 ++++++++++++++++++++++++-- > 1 file changed, 24 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi > index 6cfd0dc..49aaa67 100644 > --- a/arch/arm/boot/dts/r8a7790.dtsi > +++ b/arch/arm/boot/dts/r8a7790.dtsi > @@ -112,6 +112,25 @@ > }; > }; > > + thermal-zones { > + cpu_thermal: cpu-thermal { > + polling-delay-passive = <0>; > + polling-delay = <0>; > + > + thermal-sensors = <&thermal>; > + > + trips { > + cpu-crit { > + temperature = <1150000>; One zero is redundant here. It should be 115000. > + hysteresis = <0>; > + type = "critical"; > + }; > + }; > + cooling-maps { > + }; > + }; > + }; > + > gic: interrupt-controller@f1001000 { > compatible = "arm,gic-400"; > #interrupt-cells = <3>; > @@ -202,12 +221,15 @@ > power-domains = <&cpg_clocks>; > }; > > - thermal@e61f0000 { > - compatible = "renesas,thermal-r8a7790", "renesas,rcar-thermal"; > + thermal: thermal@e61f0000 { > + compatible = "renesas,thermal-r8a7790", > + "renesas,rcar-gen2-thermal", > + "renesas,rcar-thermal"; > reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>; > interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&mstp5_clks R8A7790_CLK_THERMAL>; > power-domains = <&cpg_clocks>; > + #thermal-sensor-cells = <0>; > }; > > timer { > -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index 6cfd0dc..49aaa67 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -112,6 +112,25 @@ }; }; + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <0>; + polling-delay = <0>; + + thermal-sensors = <&thermal>; + + trips { + cpu-crit { + temperature = <1150000>; + hysteresis = <0>; + type = "critical"; + }; + }; + cooling-maps { + }; + }; + }; + gic: interrupt-controller@f1001000 { compatible = "arm,gic-400"; #interrupt-cells = <3>; @@ -202,12 +221,15 @@ power-domains = <&cpg_clocks>; }; - thermal@e61f0000 { - compatible = "renesas,thermal-r8a7790", "renesas,rcar-thermal"; + thermal: thermal@e61f0000 { + compatible = "renesas,thermal-r8a7790", + "renesas,rcar-gen2-thermal", + "renesas,rcar-thermal"; reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>; interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp5_clks R8A7790_CLK_THERMAL>; power-domains = <&cpg_clocks>; + #thermal-sensor-cells = <0>; }; timer {