diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/boot/dts/omap4-cpu-thermal.dtsi | 41 | ||||
-rw-r--r-- | arch/arm/boot/dts/omap443x.dtsi | 23 | ||||
-rw-r--r-- | arch/arm/boot/dts/omap4460.dtsi | 29 | ||||
-rw-r--r-- | arch/arm/boot/dts/omap5-core-thermal.dtsi | 28 | ||||
-rw-r--r-- | arch/arm/boot/dts/omap5-gpu-thermal.dtsi | 28 | ||||
-rw-r--r-- | arch/arm/boot/dts/omap5.dtsi | 14 |
6 files changed, 149 insertions, 14 deletions
diff --git a/arch/arm/boot/dts/omap4-cpu-thermal.dtsi b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi new file mode 100644 index 000000000000..cb9458feb2e3 --- /dev/null +++ b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi @@ -0,0 +1,41 @@ +/* + * Device Tree Source for OMAP4/5 SoC CPU thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: Eduardo Valentin <eduardo.valentin@ti.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <dt-bindings/thermal/thermal.h> + +cpu_thermal: cpu_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&bandgap 0>; + + trips { + cpu_alert0: cpu_alert { + temperature = <100000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_crit: cpu_crit { + temperature = <125000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index bcf455efe18d..ab607a19a613 100644 --- a/arch/arm/boot/dts/omap443x.dtsi +++ b/arch/arm/boot/dts/omap443x.dtsi @@ -12,7 +12,7 @@ / { cpus { - cpu@0 { + cpu0: cpu@0 { /* OMAP443x variants OPP50-OPPNT */ operating-points = < /* kHz uV */ @@ -22,12 +22,25 @@ 1008000 1375000 >; clock-latency = <300000>; /* From legacy driver */ + + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <3>; + #cooling-cells = <2>; /* min followed by max */ }; }; - bandgap { - reg = <0x4a002260 0x4 - 0x4a00232C 0x4>; - compatible = "ti,omap4430-bandgap"; + thermal-zones { + #include "omap4-cpu-thermal.dtsi" + }; + + ocp { + bandgap: bandgap { + reg = <0x4a002260 0x4 + 0x4a00232C 0x4>; + compatible = "ti,omap4430-bandgap"; + + #thermal-sensor-cells = <0>; + }; }; }; diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi index c2f0f39b5a24..11566bed0035 100644 --- a/arch/arm/boot/dts/omap4460.dtsi +++ b/arch/arm/boot/dts/omap4460.dtsi @@ -12,7 +12,7 @@ / { cpus { /* OMAP446x 'standard device' variants OPP50 to OPPTurbo */ - cpu@0 { + cpu0: cpu@0 { operating-points = < /* kHz uV */ 350000 1025000 @@ -20,6 +20,11 @@ 920000 1313000 >; clock-latency = <300000>; /* From legacy driver */ + + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <2>; + #cooling-cells = <2>; /* min followed by max */ }; }; @@ -30,12 +35,20 @@ ti,hwmods = "debugss"; }; - bandgap { - reg = <0x4a002260 0x4 - 0x4a00232C 0x4 - 0x4a002378 0x18>; - compatible = "ti,omap4460-bandgap"; - interrupts = <0 126 IRQ_TYPE_LEVEL_HIGH>; /* talert */ - gpios = <&gpio3 22 0>; /* tshut */ + thermal-zones { + #include "omap4-cpu-thermal.dtsi" + }; + + ocp { + bandgap: bandgap { + reg = <0x4a002260 0x4 + 0x4a00232C 0x4 + 0x4a002378 0x18>; + compatible = "ti,omap4460-bandgap"; + interrupts = <0 126 IRQ_TYPE_LEVEL_HIGH>; /* talert */ + gpios = <&gpio3 22 0>; /* tshut */ + + #thermal-sensor-cells = <0>; + }; }; }; diff --git a/arch/arm/boot/dts/omap5-core-thermal.dtsi b/arch/arm/boot/dts/omap5-core-thermal.dtsi new file mode 100644 index 000000000000..19212ac6eef0 --- /dev/null +++ b/arch/arm/boot/dts/omap5-core-thermal.dtsi @@ -0,0 +1,28 @@ +/* + * Device Tree Source for OMAP543x SoC CORE thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: Eduardo Valentin <eduardo.valentin@ti.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <dt-bindings/thermal/thermal.h> + +core_thermal: core_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&bandgap 2>; + + trips { + core_crit: core_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; diff --git a/arch/arm/boot/dts/omap5-gpu-thermal.dtsi b/arch/arm/boot/dts/omap5-gpu-thermal.dtsi new file mode 100644 index 000000000000..1b87aca88b77 --- /dev/null +++ b/arch/arm/boot/dts/omap5-gpu-thermal.dtsi @@ -0,0 +1,28 @@ +/* + * Device Tree Source for OMAP543x SoC GPU thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: Eduardo Valentin <eduardo.valentin@ti.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <dt-bindings/thermal/thermal.h> + +gpu_thermal: gpu_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&bandgap 1>; + + trips { + gpu_crit: gpu_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index fc3fad563861..ab9a21ae82f3 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -49,6 +49,10 @@ 1000000 1060000 1500000 1250000 >; + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <2>; + #cooling-cells = <2>; /* min followed by max */ }; cpu@1 { device_type = "cpu"; @@ -57,6 +61,12 @@ }; }; + thermal-zones { + #include "omap4-cpu-thermal.dtsi" + #include "omap5-gpu-thermal.dtsi" + #include "omap5-core-thermal.dtsi" + }; + timer { compatible = "arm,armv7-timer"; /* PPI secure/nonsecure IRQ */ @@ -729,13 +739,15 @@ }; }; - bandgap@4a0021e0 { + bandgap: bandgap@4a0021e0 { reg = <0x4a0021e0 0xc 0x4a00232c 0xc 0x4a002380 0x2c 0x4a0023C0 0x3c>; interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>; compatible = "ti,omap5430-bandgap"; + + #thermal-sensor-cells = <1>; }; }; }; |