diff options
| author | Rocky Hao <rocky.hao@rock-chips.com> | 2017-08-24 18:27:54 +0800 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2017-10-17 20:57:44 +0200 |
| commit | f6d3f1e8eb8b15ba10b91c6279c0341a7a0d49b7 (patch) | |
| tree | 8d7413abadf2cbcd9f78ba12beca7bf17567fac3 /arch/arm/boot/dts/rv1108.dtsi | |
| parent | fb03abbc2755a7f0efb245b926c0f5ba39683da6 (diff) | |
ARM: dts: rockchip: add thermal nodes for RV1108 SoC
Add thermal zone and dynamic CPU power coefficients for RV1108
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/boot/dts/rv1108.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/rv1108.dtsi | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi index 658a458a5b38..76ea24636feb 100644 --- a/arch/arm/boot/dts/rv1108.dtsi +++ b/arch/arm/boot/dts/rv1108.dtsi @@ -43,6 +43,7 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/clock/rv1108-cru.h> #include <dt-bindings/pinctrl/rockchip.h> +#include <dt-bindings/thermal/thermal.h> / { #address-cells = <1>; #size-cells = <1>; @@ -70,6 +71,8 @@ compatible = "arm,cortex-a7"; reg = <0xf00>; clocks = <&cru ARMCLK>; + #cooling-cells = <2>; /* min followed by max */ + dynamic-power-coefficient = <75>; operating-points-v2 = <&cpu_opp_table>; }; }; @@ -329,6 +332,41 @@ status = "disabled"; }; + thermal-zones { + soc_thermal: soc-thermal { + polling-delay-passive = <20>; + polling-delay = <1000>; + sustainable-power = <50>; + thermal-sensors = <&tsadc 0>; + + trips { + threshold: trip-point0 { + temperature = <70000>; + hysteresis = <2000>; + type = "passive"; + }; + target: trip-point1 { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + soc_crit: soc-crit { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&target>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + contribution = <4096>; + }; + }; + }; + }; + tsadc: tsadc@10370000 { compatible = "rockchip,rv1108-tsadc"; reg = <0x10370000 0x100>; |