[PATCH 7/9] arm: dts: add omap4430 thermal data
This patch changes the dtsi entry on omap4430 to contain the thermal data. This data will enable the passive cooling with CPUfreq cooling device at 100C and the system will do a thermal shutdown at 125C. Cc: "Benoît Cousson" Cc: Tony Lindgren Cc: Russell King Cc: linux-o...@vger.kernel.org Cc: devicetree-disc...@lists.ozlabs.org Cc: linux-arm-ker...@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin --- arch/arm/boot/dts/omap443x.dtsi | 31 +-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index 4a4dcc3..27f0e0f 100644 --- a/arch/arm/boot/dts/omap443x.dtsi +++ b/arch/arm/boot/dts/omap443x.dtsi @@ -8,6 +8,7 @@ * kind, whether express or implied. */ +#include #include "omap4.dtsi" / { @@ -27,8 +28,34 @@ }; bandgap { - reg = <0x4a002260 0x4 - 0x4a00232C 0x4>; + reg = <0x4a002260 0x4 0x4a00232C 0x4>; compatible = "ti,omap4430-bandgap"; + thermal_zone { + type = "CPU"; + mask = <0x03>; /* trips writability */ + passive_delay = <250>; /* milliseconds */ + polling_delay = <1000>; /* milliseconds */ + governor = "step_wise"; + trips { + alert@10{ + temperature = <10>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = ; + }; + crit@125000{ + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = ; + }; + }; + bind_params { + action@0{ + cooling_device = "thermal-cpufreq"; + weight = <100>; /* percentage */ + mask = <0x01>; + /* no limits, using defaults */ + }; + }; + }; }; }; -- 1.8.2.1.342.gfa7285d -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 7/9] arm: dts: add omap4430 thermal data
This patch changes the dtsi entry on omap4430 to contain the thermal data. This data will enable the passive cooling with CPUfreq cooling device at 100C and the system will do a thermal shutdown at 125C. Cc: Benoît Cousson b-cous...@ti.com Cc: Tony Lindgren t...@atomide.com Cc: Russell King li...@arm.linux.org.uk Cc: linux-o...@vger.kernel.org Cc: devicetree-disc...@lists.ozlabs.org Cc: linux-arm-ker...@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin eduardo.valen...@ti.com --- arch/arm/boot/dts/omap443x.dtsi | 31 +-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index 4a4dcc3..27f0e0f 100644 --- a/arch/arm/boot/dts/omap443x.dtsi +++ b/arch/arm/boot/dts/omap443x.dtsi @@ -8,6 +8,7 @@ * kind, whether express or implied. */ +#include dt-bindings/thermal/thermal.h #include omap4.dtsi / { @@ -27,8 +28,34 @@ }; bandgap { - reg = 0x4a002260 0x4 - 0x4a00232C 0x4; + reg = 0x4a002260 0x4 0x4a00232C 0x4; compatible = ti,omap4430-bandgap; + thermal_zone { + type = CPU; + mask = 0x03; /* trips writability */ + passive_delay = 250; /* milliseconds */ + polling_delay = 1000; /* milliseconds */ + governor = step_wise; + trips { + alert@10{ + temperature = 10; /* milliCelsius */ + hysteresis = 2000; /* milliCelsius */ + type = THERMAL_TRIP_PASSIVE; + }; + crit@125000{ + temperature = 125000; /* milliCelsius */ + hysteresis = 2000; /* milliCelsius */ + type = THERMAL_TRIP_CRITICAL; + }; + }; + bind_params { + action@0{ + cooling_device = thermal-cpufreq; + weight = 100; /* percentage */ + mask = 0x01; + /* no limits, using defaults */ + }; + }; + }; }; }; -- 1.8.2.1.342.gfa7285d -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/